Jonas Zajac Hines, M.D.
Internal Medicine Physician · New York, NY
Jonas Zajac Hines, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1881919199, issued on Mar 30, 2010. Check the license (New York 340691, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jonas Zajac Hines
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 340691 NY
117806 CA
78956 GA
Self-reported in NPPES; status is on the state search - Practice location
- 462 1St Ave, New York, NY 10016
- Phone
- (212) 562-4141
- Enumerated
- Mar 30, 2010
- Record last updated
- Jan 9, 2026
- Entity
- Type 1 · individual
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Verify Jonas Zajac Hines 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 340691Check 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Jonas Zajac Hines among 12,067 internal medicine physician records in New York
Jonas Zajac Hines, M.D. 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 2010, is newer than 63% of them.
- NPI issued2010 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 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 →
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Common questions
What is Jonas Zajac Hines, M.D.'s NPI number?
Jonas Zajac Hines, M.D.'s National Provider Identifier (NPI) is 1881919199, issued on Mar 30, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Jonas Zajac Hines, M.D. located?
The NPPES record lists a practice address at 462 1St Ave, New York, NY, 10016. Phone: (212) 562-4141. Providers update this record themselves, so call before visiting.
How can I verify Jonas Zajac Hines, M.D.'s license?
NPPES lists New York license number 340691, 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 Jonas Zajac Hines, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.9 of 100, reported for the practice group. 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.