Harold Jacob, M.D.
Gastroenterology Physician · Cedarhurst, NY
Harold Jacob, M.D. is a gastroenterology physician with a practice address in Cedarhurst, New York, and NPI 1942430269, issued on Jul 21, 2009. Check the license (New York 136545, 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
- Harold Jacob
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 136545 NY
Self-reported in NPPES; status is on the state search - Practice location
- 601 Chestnut St, Cedarhurst, NY 11516
- Phone
- (516) 569-6872
- Enumerated
- Jul 21, 2009
- Record last updated
- Jul 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (516) 569-6872
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Verify Harold Jacob 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 136545Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Harold Jacob among 1,797 gastroenterology physician records in New York
Harold Jacob, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% 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 2009, is newer than 69% of them.
- NPI issued2009 · 69% of these records are older, 27% newer
- In a Medicare fileNo · 88% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2009 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,797 in New York → Every provider in Cedarhurst → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Jay Fenster, MDCedarhurst, NY 115161467434126
- Marc Fenster, MDCedarhurst, NY 115161144751595
- Jonathan Zinberg, MDCedarhurst, NY 115161003898602
- Iheanyichukwu Aja-Onu, M.D.Freeport, NY 115201720077944
- Sonya Ventour, MDBaldwin, NY 115101225016611
- Robert Bartolomeo, M.D.Garden City, NY 115301174637854
- Robert Bonasera, M.D.Garden City, NY 115301073537767
- Perry Gould, M.D.Garden City, NY 115301205940939
Common questions
What is Harold Jacob, M.D.'s NPI number?
Harold Jacob, M.D.'s National Provider Identifier (NPI) is 1942430269, issued on Jul 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Harold Jacob, M.D. located?
The NPPES record lists a practice address at 601 Chestnut St, Cedarhurst, NY, 11516. Phone: (516) 569-6872. Providers update this record themselves, so call before visiting.
How can I verify Harold Jacob, M.D.'s license?
NPPES lists New York license number 136545, 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.