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HealingMaps Take: Wellesley anti-aging and BHRT practice integrating peptide therapy with hormone optimization and GLP-1 medical weight loss under an Advanced BHRT-certified physician. Larry Thiesen, MD leads the clinical team and protocols are tailored to each patient’s goals after consultation.
Thiesen MD offers 8 specific peptide compounds (BPC-157, CJC-1295, Ipamorelin, Sermorelin, Semaglutide, Tirzepatide, and 2 more), placing it the deepest disclosed menu of any of the 10+ Massachusetts peptide clinics in our directory. The clinic is physician-led (MD or DO); about a third of Massachusetts peptide clinics in our directory are.
✓ Last verified: April 23, 2026 — Edited & verified by Angelica Bottaro for HealingMaps Editorial Staff
| Location | Wellesley, Massachusetts |
| Address | 555 Washington Street, Wellesley, MA 02482 |
| Phone | (401) 307-2240 |
| Website | thiesenmd.com |
| Treatments | Peptide therapy program, Sermorelin, Semaglutide, Tirzepatide, BHRT compounds |
| Conditions Treated | Anti-aging, hormone optimization, weight management, recovery |
| Administration | Subcutaneous injection, oral |
| Cost | N/A |
| Insurance | N/A |
| Clinical Lead | Larry Thiesen, MD — Board-Certified Physician — Advanced BHRT (Academy of Preventive and Innovative Medicine) + Hormonal Health Institute |
Who Will Prescribe Your Peptides?
Your prescribing provider, Dr. Larry Thiesen, is verified in the federal CMS National Plan & Provider Enumeration System (NPPES) under NPI 1073513438, with a primary specialty of Anesthesiology and a primary practice address in Fall River, MA. CMS records show this NPI has been active since 2005. NPPES record verified 2026-05-26. Dr. Larry Thiesen’s NPI tenure is longer-tenured than nearly all of the 4 Massachusetts peptide providers we’ve verified in NPPES (longest-tenured peer registered in 2007; cohort median 2017).
What this means for you: In the US, any actively state-licensed physician can legally prescribe compounded peptides — board certification in a specific specialty isn’t required for peptide prescriptions. Anesthesiology training emphasizes pharmacology and dosing precision — directly relevant to compounded-peptide protocols, which require careful titration.
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Typical Peptide Therapy Cost in the U.S.
National peptide therapy pricing — based on 487 verified peptide clinics in our directory (April 2026 data). Adjust the calculator below to model your own protocol.
How Much Will Peptide Therapy Cost?
Estimate your monthly and program cost based on HealingMaps proprietary clinic pricing data across 487 verified peptide clinics.
Ongoing monthly
$200–$500
Range: $99–$600/mo
First month (incl. consult + labs)
$550
Range: $449–$950
Estimated program total
$1,550
Range: $944–$3,950
First-month setup varies. Some clinics bundle it; others bill consult + labs separately. Ask this clinic for exact pricing.
Select a peptide program to see pricing context.
Is Thiesen MD the right fit for you?
✓ Choose Thiesen MD if:
- You’re in or willing to travel to Wellesley — peptide therapy generally requires in-person consultation and ongoing follow-ups.
- You want a physician-led practice (MD/DO).
- You want a broad compound menu — this listing names 8 specific peptides, among the deepest in the market.
- You want custom-compounded peptides (dose tailored to you) — this clinic discloses 503A sourcing.
- You want one of the most comprehensive peptide menus in the metro — this listing ranks #1 out of 14 we’ve reviewed locally.
✗ Look elsewhere if:
- You need to start treatment within the same week. Most peptide programs require baseline labs (1-3 days) plus pharmacy fulfillment (a few more days) before your first dose — plan on 1-3 weeks from consult call to first injection.
- You’re shopping primarily on price and need per-compound rates published up front. Most clinics share specific pricing only on the consult call. Use our cost calculator above for ballpark estimates and confirm specifics with the clinic.
- You need direct-to-home shipping across state lines — 503A pharmacies typically can’t ship out of state.
What to Expect at Your First Thiesen MD Appointment
- Initial consultation / intake — typically 30–60 minutes reviewing medical history, goals, current medications, and prior labs.
- Baseline lab work — most clinics require labs before prescribing growth-hormone secretagogues (CJC-1295/Ipamorelin, Sermorelin) and GLP-1s (semaglutide, tirzepatide), since those compounds modulate endocrine and metabolic pathways. Tissue-repair peptides (BPC-157, TB-500), sexual-wellness peptides (PT-141), and topical compounds are sometimes prescribed without labs. This listing doesn’t explicitly state lab requirements, so confirm on your consult call which panels they require for your specific protocol. Even when labs aren’t strictly required, they’re a smart personal baseline. See our guide to peptide therapy lab work for what to ask about.
- Protocol design — this listing publishes a deep menu (8 compounds, including BPC-157, CJC-1295, Ipamorelin, Sermorelin, and others). Your provider narrows the protocol based on your goals, labs, and any contraindications.
- Prescription written + sent to compounding pharmacy — Because the clinic discloses a 503A compounding pharmacy partner, your prescription will be compounded individually after your provider writes it — typically a few-day wait for in-state delivery or pickup.
- Self-administration training — for injectable peptides, the clinic walks you through subcutaneous injection technique, needle handling, refrigeration, and rotation sites.
- Follow-up — typically a 4–6 week check-in to assess response, side effects, and whether dose or compound needs adjustment.
Most Thiesen MD patients report the consult-to-first-injection window runs 1–3 weeks depending on lab turnaround and pharmacy fulfillment.
What to Ask on Your Thiesen MD Consult Call
The questions below are pulled from the gaps in this specific listing — areas the clinic doesn’t publicly answer that you should clarify before booking. Each one is designed to get you a useful answer in 30 seconds or less.
- “Of these 8 compounds, which do most patients with my goals end up on?” A deep menu can mean either deep expertise or unfocused offerings — ask which compounds the clinic actually has the most experience with.
- “If I move out of state, can your 503A pharmacy still fulfill my prescription, or will I need a new clinic?” 503A pharmacies generally can’t ship across state lines.
- “How long has the clinical lead been prescribing peptides specifically?” A long medical career doesn’t always mean long peptide-specific experience — those are different track records.
- “Which lab panels do you require for the protocol you’d recommend for me?” Clinics typically require baseline labs for hormone-modulating compounds (semaglutide, tirzepatide, growth-hormone secretagogues) and may skip them for some tissue-repair or topical compounds. Knowing your clinic’s specific lab requirements helps you compare to peers — and even when not required, baseline labs are smart personal protection.
- “Is this entirely cash-pay, or do you accept any insurance for the GLP-1 path (semaglutide, tirzepatide)?” Compounded peptides are almost never covered, but brand-name GLP-1s sometimes are with prior authorization.
- “What’s the total first-month cost — consult fee, labs, and initial prescription combined?” First-month all-in is usually 1.5–2× the recurring monthly cost. Ask for an itemized breakdown.
- “Is follow-up telehealth-friendly, or are in-person visits required at every milestone?” The listing doesn’t mention telehealth — important to know if you travel or move.
- “From my consult to my first injection, how long is the typical timeline?” Lab turnaround + pharmacy fulfillment usually means 1–3 weeks. Confirms expectations.
About Thiesen MD
Thiesen MD operates in Wellesley, Massachusetts and offers peptide therapy. The clinic’s peptide menu includes peptide therapy program, sermorelin, semaglutide and related compounds, administered via subcutaneous injection, oral.
For a closer look at how these compounds work, read our deep dives on the CJC-1295 and Ipamorelin growth-hormone peptide stack and the next frontier of peptide wellness beyond GLP-1s.
See also the FDA’s 503A bulks list review of BPC-157, Semax, Epitalon and more.What People Like
MD-led practice, Advanced BHRT certification, peptide therapy as a dedicated service line alongside hormone optimization, Wellesley location serves Boston west suburbs.
What People Don’t Like
Specific peptide compound list not enumerated on the public site — patients should confirm protocol options at consultation.
Getting Started at Thiesen MD
Book a consultation online or by phone. Dr. Thiesen reviews medical history before starting any peptide protocol.
Explore more our guide to the best peptide clinics in New York.
Frequently Asked Questions
What peptides does Thiesen MD offer?
Based on this listing, Thiesen MD names 8 specific peptide compounds: BPC-157, CJC-1295, Ipamorelin, Sermorelin, Semaglutide, Tirzepatide, and 2 more. The clinic may offer additional compounds not published on its public listing — confirm the full menu on a consult call.
Is the clinical lead at Thiesen MD a verified physician?
Yes. Dr. Larry Thiesen is registered in the federal CMS National Plan & Provider Enumeration System (NPPES) under NPI 1073513438, with a primary specialty of Anesthesiology and a primary practice address in Fall River, MA. The NPI has been active since 2005.
Does Thiesen MD offer telehealth or virtual visits?
Thiesen MD doesn’t mention telehealth or virtual visits on its listing. Most peptide clinics require in-person evaluation for the initial consult; some offer virtual follow-ups once a patient is stable. If geography or travel matters to you, ask on the consult call whether they can prescribe and follow up virtually — and which states they’re licensed to do so in.
How does Thiesen MD compare to other Massachusetts peptide clinics?
Among verified Massachusetts peptide clinics in the HealingMaps directory, Thiesen MD ranks the deepest disclosed peptide menu of any Massachusetts clinic in the directory. Compound depth is one signal among several — provider credentials, pharmacy sourcing transparency, and lab requirements also matter when comparing.
Where is Thiesen MD located?
Thiesen MD is located in Wellesley, Massachusetts. The full street address, phone number, and hours are listed in the data card above.
What Massachusetts Peptide Patients Are Likely Asking
Themes drawn from HealingMaps editorial analysis of verified Massachusetts peptide clinics in our directory. Refreshed quarterly; percentages rounded to nearest 5%.
Which peptides do most Massachusetts clinics actually offer?
Across Massachusetts peptide clinics in our directory, Semaglutide appears in 80% of listings; Tirzepatide in 80%; Sermorelin in 50%; Ipamorelin in 45%. Compounds appearing in fewer than 20% of Massachusetts listings — including PT-141, Epitalon, Semax — are less commonly disclosed; patients seeking those should specifically ask whether the clinic prescribes them.
How transparent are Massachusetts clinics about their compounding pharmacy?
5% of Massachusetts clinics in our directory openly state whether they use a 503A or 503B compounding pharmacy. The rest leave the class unstated. The distinction matters for patients — 503A pharmacies fill prescriptions individually after your provider writes them (typically a few-day wait, in-state shipping), while 503B outsourcing facilities pre-batch under direct FDA inspection (often supporting same-visit fulfillment and direct-to-home shipping). Worth asking specifically before you book.
Who’s actually prescribing peptides in Massachusetts?
45% of verified Massachusetts clinics name an MD or DO as clinical lead (this listing’s clinical lead is Anesthesiology-trained). The remainder are NP/PA-led or don’t publicly name a specific prescribing clinician. Any state-licensed physician, NP, or PA can legitimately prescribe compounded peptides — but knowing your prescriber’s training and tenure helps you assess fit for your specific protocol.
How deep are Massachusetts peptide menus typically?
The median Massachusetts clinic in our directory publishes 4 specific peptide compounds on its listing. The deepest disclosed menu names 8; every clinic names at least one compound. A wide menu means more options at one clinic; a narrow menu can reflect specialization (e.g. weight-loss-only programs) or limited public disclosure (the clinic prescribes more than it advertises).
Pharmacy sourcing: This clinic discloses a 503A compounding pharmacy partner. As a patient, that means your prescription is compounded individually after your provider writes it — typically a few-day wait, with shipping usually limited to within Massachusetts, and dose customization often possible.
How we vetted this clinic
When a clinic both names a verifiable prescriber and discloses 503A pharmacy sourcing, the regulatory side is generally well-handled. Thiesen MD fits that pattern: prescriber NPI confirmed in CMS NPPES, publishes 8 compounds (BPC-157, CJC-1295, and Ipamorelin lead the list), 503A compounding through a state-licensed pharmacy. See our full vetting rubric →
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Healing Maps Editorial Staff
View all posts by Healing Maps Editorial StaffThe Healing Maps Editorial Team has decades of experience across all facets of the psychedelic industry. From assessing studies and clinic research, to working with clinician's and clinics, we help provide data-backed information to psychedelic-curious individuals across the globe.
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