NPPES file of Aug 9, 2026

Thomas Kalchthaler, D.O.

Internal Medicine Physician · Yonkers, NY

Thomas Kalchthaler, D.O. is an internal medicine physician with a practice address in Yonkers, New York, and NPI 1598765356, issued on Jul 22, 2005. Check the license (New York 123328, 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.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598765356
Name
Thomas Kalchthaler
Credential
D.O.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
123328 NY
Self-reported in NPPES; status is on the state search
Practice location
69 S Broadway, Yonkers, NY 10701
Phone
(914) 376-5555
Enumerated
Jul 22, 2005
Record last updated
Feb 20, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(914) 964-1477
Medicaid ID
00736012 NY
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 69 S Broadway

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

  1. George Adams, M.D.Internal Medicine Physician1992950786
  2. Farnia Amirnia, M.D.Internal Medicine Physician1154321032
  3. Assen Bogdanov, M.D.Internal Medicine Physician1841290723
  4. Alla Bogorodovsky, MDAdolescent Medicine (Internal Medicine) Physician1558322800
  5. Elena Ginsberg, FNPFamily Nurse Practitioner1689839755
  6. Nataliya Gorelko, M.D.Internal Medicine Physician1861492688

Verify Thomas Kalchthaler 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 123328    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.

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97 internal medicine physician records list a practice address in Yonkers

They are 97 of the 3,593 NPPES records with a practice address in Yonkers, and 12,067 internal medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 97 in Yonkers → All 12,067 in New York → Every provider in Yonkers →

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. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is Thomas Kalchthaler, D.O.'s NPI number?

Thomas Kalchthaler, D.O.'s National Provider Identifier (NPI) is 1598765356, issued on Jul 22, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Kalchthaler, D.O. located?

The NPPES record lists a practice address at 69 S Broadway, Yonkers, NY, 10701. Phone: (914) 376-5555. Providers update this record themselves, so call before visiting.

How can I verify Thomas Kalchthaler, D.O.'s license?

NPPES lists New York license number 123328, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.