Rawann Nassar
Endocrinology, Diabetes & Metabolism Physician · New York, NY
Rawann Nassar is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1447736848, issued on Jul 18, 2018. Check the license (New York 310420, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Rawann Nassar
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 310420 NY
Self-reported in NPPES; status is on the state search - Practice location
- 200 W 57TH St FL 15, New York, NY 10019
- Phone
- (212) 247-8100
- Enumerated
- Jul 18, 2018
- Record last updated
- Apr 6, 2023
- Medicare enrollment
- Enrolled (PECOS I20230525002888); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 200 W 57TH St FL 15
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rawann Nassar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 310420Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
229 Medicare Part D claims for 90 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Levothyroxine Sodium43 claims
- Metformin Hcl Er26 claims
- Dexamethasone21 claims
- Ozempic19 claims
- Alendronate Sodium18 claims
- Jardiance14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rawann Nassar among 970 endocrinology, diabetes & metabolism physician records in New York
Rawann Nassar is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 87% of them.
- NPI issued2018 · 87% of these records are older, 10% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2017 · median 2004 among the 694 with a school on file
- Record last updated2023 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in New York → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Lynn Allen, M.D.New York, NY 100191003809146
- Robert Bernstein, M.D.New York, NY 100191467439430
- Maria Filopoulos, MDNew York, NY 100191245513969
- Sandra Foo, M.D.New York, NY 100191891788808
- Alina Gouller, MDNew York, NY 100191679563811
- Susan Kwok, MDNew York, NY 100191114044989
- Emily NosovaNew York, NY 100191225423551
- Carmen Pal, M.D.New York, NY 100191942293774
Common questions
What is Rawann Nassar's NPI number?
Rawann Nassar's National Provider Identifier (NPI) is 1447736848, issued on Jul 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Rawann Nassar located?
The NPPES record lists a practice address at 200 W 57TH St FL 15, New York, NY, 10019. Phone: (212) 247-8100. Providers update this record themselves, so call before visiting.
How can I verify Rawann Nassar's license?
NPPES lists New York license number 310420, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Rawann Nassar prescribe under Medicare Part D?
In 2024, Rawann Nassar had 229 Medicare Part D claims for 90 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.