Marcos Lamas, M.D.
NPI 1154618700 · Endocrinology, Diabetes & Metabolism Physician · Danbury, CT
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marcos Lamas, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Danbury, CT (NPI 1154618700).
Provider details
- NPI number
- 1154618700
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 55616 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,154 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 559 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 458 | $123 |
| Hemoglobin A1c Level83036 | 294 | $9 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 209 | $34 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 133 | $86 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 237 | 63 |
| Empagliflozinbrand: Jardiance | 94 | 21 |
| Semaglutidebrand: Ozempic | 77 | 21 |
| Hydrocortisone | 52 | 17 |
| Alendronate Sodium | 49 | 15 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 45 | 20 |
| Methimazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-07-05
- Last updated
- 2022-07-21
Frequently asked questions
- What is Marcos Lamas's NPI number?
- Marcos Lamas's National Provider Identifier (NPI) is 1154618700, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marcos Lamas's specialty?
- Marcos Lamas is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Marcos Lamas located?
- Marcos Lamas's practice location on file with NPPES is 25 Germantown Rd, Danbury, CT 06810-5036.
- What is Marcos Lamas's phone number?
- The practice phone number listed in the NPPES registry for Marcos Lamas is (203) 794-5620.
- Does Marcos Lamas accept Medicare?
- Marcos Lamas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marcos Lamas's NPI active?
- Yes — Marcos Lamas's NPI (1154618700) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.