NPPES file of Aug 9, 2026

Gregory L. Schaefer, M.D.

Obstetrics & Gynecology Physician · Corning, NY

Gregory L. Schaefer, M.D. is an obstetrics & gynecology physician with a practice address in Corning, New York, and NPI 1861450298, issued on May 3, 2006. Check the license (New York 244641, 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
1861450298
Name
Gregory L. Schaefer
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
244641 NY
01023987 IN
Self-reported in NPPES; status is on the state search
Practice location
123 Conhocton St, Corning, NY 14830
Phone
(607) 973-8600
Enumerated
May 3, 2006
Record last updated
Dec 5, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid IDs
02898584 NY
100186800A IN
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 123 Conhocton St

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

  1. Catherine Anderjack, PTPhysical Therapist1306811831
  2. Joshua Blazey, PT, DPTPhysical Therapist1689423477
  3. Hanna Habash, MDFamily Medicine Physician1104893908
  4. Peter Harewood, MDObstetrics & Gynecology Physician1306091400
  5. Aliana HondorfOccupational Therapist1114700812
  6. Deanna Iacullo, OTR/LOccupational Therapist1649084179

Verify Gregory L. Schaefer 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 244641
    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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Gregory L. Schaefer among 3,174 obstetrics & gynecology physician records in New York

Gregory L. Schaefer, M.D. is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% 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 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 49% newer
  • In a Medicare fileNo · 76% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2011 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in New York

There are 3,174 obstetrics & gynecology physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Hannah DelfaveroCorning, NY 148301184252272
  2. Sophia Halassy, MDCorning, NY 148301073037289
  3. Peter Harewood, MDCorning, NY 148301306091400
  4. Andres Rubert, MDHornell, NY 148431457307480
  5. Anubha Sen, MDHornell, NY 148431912003294
  6. Sung Hoon Yang, M.D.Hornell, NY 148431134147473
  7. Nancy King, M.DHorseheads, NY 148451316944481
  8. Rudolph Fedrizzi, MDIthaca, NY 148501326146275

Common questions

What is Gregory L. Schaefer, M.D.'s NPI number?

Gregory L. Schaefer, M.D.'s National Provider Identifier (NPI) is 1861450298, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregory L. Schaefer, M.D. located?

The NPPES record lists a practice address at 123 Conhocton St, Corning, NY, 14830. Phone: (607) 973-8600. Providers update this record themselves, so call before visiting.

How can I verify Gregory L. Schaefer, M.D.'s license?

NPPES lists New York license number 244641, 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.