William Seth Hallenbeck, M.D.
Adult Medicine Physician · Greene, NY
William Seth Hallenbeck, M.D. is an adult medicine physician with a practice address in Greene, New York, and NPI 1063720076, issued on Sep 24, 2010. Check the license (New York 087920, 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
- William Seth Hallenbeck
- Credential
- M.D.
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- 087920 NY
Self-reported in NPPES; status is on the state search - Practice location
- 248 Race RD, Greene, NY 13778
- Phone
- (607) 656-9700
- Enumerated
- Sep 24, 2010
- Record last updated
- Sep 24, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (607) 656-9700
- Medicaid ID
- 00627078 NY
- Entity
- Type 1 · individual
Verify William Seth Hallenbeck 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 087920Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
1 adult medicine physician records list a practice address in Greene
They are 1 of the 40 NPPES records with a practice address in Greene, and 171 adult medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
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Common questions
What is William Seth Hallenbeck, M.D.'s NPI number?
William Seth Hallenbeck, M.D.'s National Provider Identifier (NPI) is 1063720076, issued on Sep 24, 2010. An NPI identifies a provider in billing; it is not a license.
Where is William Seth Hallenbeck, M.D. located?
The NPPES record lists a practice address at 248 Race RD, Greene, NY, 13778. Phone: (607) 656-9700. Providers update this record themselves, so call before visiting.
How can I verify William Seth Hallenbeck, M.D.'s license?
NPPES lists New York license number 087920, 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.