Tina Constantin, M.D.
NPI 1083903561 · Endocrinology, Diabetes & Metabolism Physician · New York, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tina Constantin, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in New York, NY (NPI 1083903561).
Provider details
- NPI number
- 1083903561
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 75433 (GA)
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
15 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
1,224 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 | 369 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 357 | $141 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 270 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 93 | $191 |
| Hemoglobin A1c Level83036 | 67 | $9 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 259 | 60 |
| Semaglutidebrand: Ozempic | 148 | 29 |
| Metformin Hclbrand: Metformin Hcl Er | 137 | 57 |
| Pen Needle, Diabeticbrand: Nano 2nd Gen Pen Needle | 94 | 28 |
| Tirzepatidebrand: Mounjaro | 94 | 29 |
| Empagliflozinbrand: Jardiance | 80 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-05
- Last updated
- 2021-03-13
- Certified
- 2021-03-13
Frequently asked questions
- What is Tina Constantin's NPI number?
- Tina Constantin's National Provider Identifier (NPI) is 1083903561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tina Constantin's specialty?
- Tina Constantin is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Tina Constantin located?
- Tina Constantin's practice location on file with NPPES is 111 Broadway Fl 2, New York, NY 10006-1995.
- What is Tina Constantin's phone number?
- The practice phone number listed in the NPPES registry for Tina Constantin is (212) 263-9700.
- Does Tina Constantin accept Medicare?
- Tina Constantin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tina Constantin's NPI active?
- Yes — Tina Constantin's NPI (1083903561) is active in the NPPES registry as of the last update on 2021-03-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.