Nancy Marie Holbrook, MD
Internal Medicine Physician · New York, NY
Nancy Marie Holbrook, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1770063000, issued on Aug 16, 2018. Check the license (New York 329353, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nancy Marie Holbrook
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 329353 NY
Self-reported in NPPES; status is on the state search - Practice location
- 100 E 77TH St, New York, NY 10075
- Phone
- (212) 434-2000
- Enumerated
- Aug 16, 2018
- Record last updated
- May 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20240618002957); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2021
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 100 E 77TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mohamed Aboseria, MDStudent in an Organized Health Care Education/Training Program1225616345
- Bincy Abraham, NPFamily Nurse Practitioner1427309947
- Abduljabar Adi, MDStudent in an Organized Health Care Education/Training Program1376346957
- Arzu Adiguzel, ACNPAcute Care Nurse Practitioner1598019127
- Alexia Adler, DNP, AGACNPAcute Care Nurse Practitioner1689593915
- Yeshayahu AdonolemRegistered Nurse1235055930
Verify Nancy Marie Holbrook 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 329353Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
339 Medicare Part D claims for 94 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium30 claims
- Amlodipine Besylate22 claims
- Losartan Potassium19 claims
- Hydrochlorothiazide15 claims
- Rosuvastatin Calcium15 claims
- Lisinopril14 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
- North Shore-Lij Medical PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nancy Marie Holbrook among 12,067 internal medicine physician records in New York
Nancy Marie Holbrook, MD is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 82% of them.
- NPI issued2018 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2021 · median 2002 among the 7,221 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Monica Altman, MDNew York, NY 100751134226962
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- John Emy, MDNew York, NY 100751053319509
- Robert Graham, MDNew York, NY 100751730154402
- Kirsten Healy, M.D.New York, NY 100751982640108
- Rajiv Kinkhabwala, MDNew York, NY 100751730187196
- Chad Kliger, M.D.New York, NY 100751003824954
- Robert Meyers, M.D.New York, NY 100751083600175
Common questions
What is Nancy Marie Holbrook, MD's NPI number?
Nancy Marie Holbrook, MD's National Provider Identifier (NPI) is 1770063000, issued on Aug 16, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Nancy Marie Holbrook, MD located?
The NPPES record lists a practice address at 100 E 77TH St, New York, NY, 10075. Phone: (212) 434-2000. Providers update this record themselves, so call before visiting.
How can I verify Nancy Marie Holbrook, MD's license?
NPPES lists New York license number 329353, 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 Nancy Marie Holbrook, MD prescribe under Medicare Part D?
In 2024, Nancy Marie Holbrook, MD had 339 Medicare Part D claims for 94 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.