Jonathan A. Herbst, M.D.
Internal Medicine Physician · Port Chester, NY
Jonathan A. Herbst, M.D. is an internal medicine physician with a practice address in Port Chester, New York, and NPI 1538188602, issued on Jul 19, 2006. Check the license (New York 134231, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jonathan A. Herbst
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 134231 NY
Self-reported in NPPES; status is on the state search - Practice location
- 388 Westchester Ave, Port Chester, NY 10573
- Phone
- (914) 937-3999
- Enumerated
- Jul 19, 2006
- Record last updated
- Jun 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (914) 937-3968
- Medicaid ID
- 00872275 NY
- Medicare enrollment
- Enrolled (PECOS I20101117000485); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1976
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 388 Westchester Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gabriella PagnottaPhysical Therapist1841177367
- Jay Schwarz, DDSDentist1720009137
Verify Jonathan A. Herbst 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 134231Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
52% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,523 Medicare Part D claims for 82 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium140 claims
- Lisinopril79 claims
- Mounjaro69 claims
- Vascepa67 claims
- Zolpidem Tartrate66 claims
- Amlodipine Besylate45 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.
Industry payments in 2024: $4,694.27
88 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Jonathan A. Herbst among 12,067 internal medicine physician records in New York
Jonathan A. Herbst, 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 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1976 · median 2002 among the 7,221 with a school on file
- Record last updated2010 · 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).
9 internal medicine physician records list a practice address in Port Chester
They are 9 of the 279 NPPES records with a practice address in Port Chester, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Port Chester → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Tancredi Abenavoli, M.D.Port Chester, NY 105731174528723
- Paul Avvocato, MDPort Chester, NY 105731760527931
- Jacqueline Duarte, M.D.Port Chester, NY 105731932344900
- Gail Fennell, M.D.Rye Brook, NY 105731053382978
- Michael Fusco, MDPort Chester, NY 105731972516482
- Franklin Loria, MDRye Brook, NY 105731497741235
- Preston Lurie, MDRye Brook, NY 105731871571513
- Maritza Molina, MDRye Brook, NY 105731528132883
Common questions
What is Jonathan A. Herbst, M.D.'s NPI number?
Jonathan A. Herbst, M.D.'s National Provider Identifier (NPI) is 1538188602, issued on Jul 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan A. Herbst, M.D. located?
The NPPES record lists a practice address at 388 Westchester Ave, Port Chester, NY, 10573. Phone: (914) 937-3999. Providers update this record themselves, so call before visiting.
How can I verify Jonathan A. Herbst, M.D.'s license?
NPPES lists New York license number 134231, 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 Jonathan A. Herbst, M.D. prescribe under Medicare Part D?
In 2024, Jonathan A. Herbst, M.D. had 1,523 Medicare Part D claims for 82 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.