Alexandra A. Nmashie-Osei, MD
Pediatrics Physician · New York, NY
Alexandra A. Nmashie-Osei, MD is a pediatrics physician with a practice address in New York, New York, and NPI 1093389694, issued on May 18, 2021. Check the license (New York 331130-01, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Alexandra A. Nmashie-Osei
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- 331130-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1901 1St Ave, New York, NY 10029
- Phone
- (212) 423-6262
- Enumerated
- May 18, 2021
- Record last updated
- May 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20250920000171); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 5,795 in New York → Look up another NPI →
Also registered at 1901 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Alexandra A. Nmashie-Osei 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 331130-01Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Alexandra A. Nmashie-Osei among 5,795 pediatrics physician records in New York
Alexandra A. Nmashie-Osei, MD is one of 5,795 pediatrics physician records with a practice address in New York. 36% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2021, is newer than 94% of them.
- NPI issued2021 · 94% of these records are older, 4% newer
- In a Medicare fileNo · 36% of these records are
- In the CMS Doctors and Clinicians fileYes · 8% of these records are
- Graduated2011 · median 2008 among the 451 with a school on file
- Record last updated2025 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,005 pediatrics physician records list a practice address in New York
They are 1,005 of the 98,468 NPPES records with a practice address in New York, and 5,795 pediatrics physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,795 in New York → Every provider in New York → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Lisa Boguski-Filgueira, M.D.New York, NY 100291013978733
- Bettina Fliegel, MDNew York, NY 100291619971272
- Joel Forman, M.D.New York, NY 100291508827866
- Allison Gault, M.D.New York, NY 100291750342036
- Dinesh Giliyar, M.D.New York, NY 100291215997176
- Irwin Gribetz, M.D.New York, NY 100291831166610
- Bertha John, MDNew York, NY 100291225021009
- Carl Johnson, M.D.New York, NY 100291972564680
Common questions
What is Alexandra A. Nmashie-Osei, MD's NPI number?
Alexandra A. Nmashie-Osei, MD's National Provider Identifier (NPI) is 1093389694, issued on May 18, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Alexandra A. Nmashie-Osei, MD located?
The NPPES record lists a practice address at 1901 1St Ave, New York, NY, 10029. Phone: (212) 423-6262. Providers update this record themselves, so call before visiting.
How can I verify Alexandra A. Nmashie-Osei, MD's license?
NPPES lists New York license number 331130-01, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.