Rawann Nassar
NPI 1447736848 · Endocrinology, Diabetes & Metabolism Physician · New York, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rawann Nassar is a Endocrinology, Diabetes & Metabolism Physician provider in New York, NY (NPI 1447736848).
Provider details
- NPI number
- 1447736848
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 310420 (NY)
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
7 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
256 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 98 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 78 | $9 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 69 | $187 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 11 | $201 |
Typical Medicare-allowed amounts for these services range $9–$201 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 43 | 21 |
| Metformin Hclbrand: Metformin Hcl Er | 26 | 13 |
| Dexamethasone | 21 | 15 |
| Semaglutidebrand: Ozempic | 19 | — |
| Alendronate Sodium | 18 | — |
| Empagliflozinbrand: Jardiance | 14 | — |
| Dulaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-07-18
- Last updated
- 2023-04-06
- Certified
- 2023-04-06
Frequently asked questions
- What is Rawann Nassar's NPI number?
- Rawann Nassar's National Provider Identifier (NPI) is 1447736848, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rawann Nassar's specialty?
- Rawann Nassar is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Rawann Nassar located?
- Rawann Nassar's practice location on file with NPPES is 200 W 57th St Fl 15, New York, NY 10019-3271.
- What is Rawann Nassar's phone number?
- The practice phone number listed in the NPPES registry for Rawann Nassar is (212) 247-8100.
- Does Rawann Nassar accept Medicare?
- Rawann Nassar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rawann Nassar's NPI active?
- Yes — Rawann Nassar's NPI (1447736848) is active in the NPPES registry as of the last update on 2023-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.