Nathaniel Hupert, MD
Hospitalist Physician · New York, NY
Nathaniel Hupert, MD is a hospitalist physician with a practice address in New York, New York, and NPI 1861589947, issued on Oct 9, 2006. Check the license (New York 218548, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Nathaniel Hupert
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 218548 NY
Self-reported in NPPES; status is on the state search - Practice location
- 525 E68th Street, New York, NY 10065
- Phone
- (212) 746-4071
- Enumerated
- Oct 9, 2006
- Record last updated
- Aug 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (212) 746-4610
- Medicaid IDs
- 02134825 NY
001L31 NY - Medicare enrollment
- Enrolled (PECOS I20090415000186); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1994
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 2,067 in New York → Look up another NPI →
Also registered at 525 E68th Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aliza Cook, MDHospitalist Physician1205492212
- Mark Shapses, MDHospitalist Physician1871161588
- Christine WangHospitalist Physician1255968236
Verify Nathaniel Hupert 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 218548Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Weill Medical College OF CornellNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nathaniel Hupert among 2,067 hospitalist physician records in New York
Nathaniel Hupert, MD is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 88% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 83% of these records are
- Graduated1994 · median 2013 among the 1,716 with a school on file
- Record last updated2020 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in New York
There are 2,067 hospitalist physician records in New York.
All 2,067 in New York → Every provider in New York → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Jeffrey Ball, MDNew York, NY 100651235195579
- Ellen Bondar, MDNew York, NY 100651992803340
- Rachel Dubroff, MDNew York, NY 100651942488366
- Nell Eisenberg, M.D.New York, NY 100651619063690
- Ezra Gabbay, M.D.New York, NY 100651285831099
- Laurie Gordon, MDNew York, NY 100651962594705
- Susan Krekun, MDNew York, NY 100651295766970
- Paul Martin, MDNew York, NY 100651124006275
Common questions
What is Nathaniel Hupert, MD's NPI number?
Nathaniel Hupert, MD's National Provider Identifier (NPI) is 1861589947, issued on Oct 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nathaniel Hupert, MD located?
The NPPES record lists a practice address at 525 E68th Street, New York, NY, 10065. Phone: (212) 746-4071. Providers update this record themselves, so call before visiting.
How can I verify Nathaniel Hupert, MD's license?
NPPES lists New York license number 218548, 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.
What is Nathaniel Hupert, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.