Anatoliy Tsirlin, M.D.
NPI 1366603078 · Endocrinology, Diabetes & Metabolism Physician · Stamford, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Anatoliy Tsirlin, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Stamford, CT (NPI 1366603078).
Provider details
- NPI number
- 1366603078
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 264660 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
764 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 503 | $112 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 86 | $208 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 59 | $15 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 41 | $35 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 40 | $161 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 47 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Alendronate Sodium | 386 | 101 |
| Levothyroxine Sodium | 270 | 83 |
| Metformin Hclbrand: Metformin Hcl Er | 258 | 75 |
| Tirzepatidebrand: Mounjaro | 207 | 36 |
| Empagliflozinbrand: Jardiance | 190 | 45 |
| Semaglutidebrand: Ozempic | 183 | 36 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$84 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-24
- Last updated
- 2021-12-23
- Certified
- 2021-12-23
Frequently asked questions
- What is Anatoliy Tsirlin's NPI number?
- Anatoliy Tsirlin's National Provider Identifier (NPI) is 1366603078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Anatoliy Tsirlin's specialty?
- Anatoliy Tsirlin is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Anatoliy Tsirlin located?
- Anatoliy Tsirlin's practice location on file with NPPES is 292 Long Ridge Rd Ste 206, Stamford, CT 06902-1627.
- What is Anatoliy Tsirlin's phone number?
- The practice phone number listed in the NPPES registry for Anatoliy Tsirlin is (203) 276-7213.
- Does Anatoliy Tsirlin accept Medicare?
- Anatoliy Tsirlin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Anatoliy Tsirlin's NPI active?
- Yes — Anatoliy Tsirlin's NPI (1366603078) is active in the NPPES registry as of the last update on 2021-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.