Registry data as of Aug 27, 2026

Ronald Ammon, MD

Internal Medicine Physician · Montrose, NY

Ronald Ammon, MD is an internal medicine physician with a practice address in Montrose, New York, and NPI 1477695310, issued on Feb 13, 2007. Check the license (New York 187604, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1477695310
Name
Ronald Ammon
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
187604 NY
Self-reported in NPPES; status is on the state search
Practice location
2090 Albany Post RD, Montrose, NY 10548
Phone
(914) 788-6000
Enumerated
Feb 13, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 2090 Albany Post RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Rita Bodine, PHARM.D.Pharmacist1629180195
  2. Eleanor Howells, N.P.Family Nurse Practitioner1417083015
  3. Deborah Szanto, PH.D.Clinical Psychologist1225081607
  4. Rochelle Van Kleunen, F.N.P.Family Nurse Practitioner1851426522

Verify Ronald Ammon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 187604
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

2.4 times the Medicare Part D claims of the average internal medicine physician in 2024

6,714 Medicare Part D claims for 135 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 19 claims were for opioids.

  1. Ronald Ammon6,714
  2. Specialty average2,785

Most prescribed

  1. Furosemide377 claims
  2. Atorvastatin Calcium359 claims
  3. Eliquis352 claims
  4. Tamsulosin Hcl238 claims
  5. Amlodipine Besylate222 claims
  6. Metoprolol Succinate216 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.

9 internal medicine physician records list a Montrose practice address

They are 9 of the 324 NPPES records with a Montrose practice address, and 13,725 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Justin Aaron, MDNew York, NY1619243912
  5. Ahmad AbadiPoughkeepsie, NY1780258517
  6. Jamsheed Abadi, MDBrooklyn, NY1477537496
  7. Theophine Abakporo, M.D.Brooklyn, NY1972564813
  8. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  9. Charles Abate, MDOssining, NY1720180003
  10. Vyachislav Abayev, M.D.Brooklyn, NY1437394574

Common questions

What is Ronald Ammon, MD's NPI number?

Ronald Ammon, MD's National Provider Identifier (NPI) is 1477695310, issued on Feb 13, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ronald Ammon, MD located?

The NPPES record lists a practice address at 2090 Albany Post RD, Montrose, NY, 10548. Phone: (914) 788-6000. Providers update this record themselves, so call before visiting.

How can I verify Ronald Ammon, MD's license?

NPPES lists New York license number 187604, 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 Ronald Ammon, MD prescribe under Medicare Part D?

In 2024, Ronald Ammon, MD had 6,714 Medicare Part D claims for 135 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.