NPPES file of Aug 9, 2026

Stanley Defay, M.D.

Anesthesiology Physician · Roaring Spring, PA

Stanley Defay, M.D. is an anesthesiology physician with a practice address in Roaring Spring, Pennsylvania, and NPI 1881695781, issued on Aug 2, 2005. Check the license (Pennsylvania MD-039409-E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881695781
Name
Stanley Defay
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
MD-039409-E PA
Self-reported in NPPES; status is on the state search
Practice location
105 Nason Dr, Roaring Spring, PA 16673
Phone
(814) 224-2141
Enumerated
Aug 2, 2005
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicaid ID
1135187 MA
Medicare enrollment
Enrolled (PECOS I20101019001140); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 105 Nason Dr

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

  1. Maria Dennis, PHYSICAL THERAPISTPhysical Therapist1558343731
  2. Steven Diehl, M.D.Diagnostic Radiology Physician1033218979
  3. Jessica Dilling, CRNPNurse Practitioner1427344282
  4. John Dinger, M.D.Anesthesiology Physician1225039126
  5. Bobbi Eckman, OTOccupational Therapy Assistant1639164155
  6. Kerrstin Focht, CRNPFamily Nurse Practitioner1447038344

Verify Stanley Defay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD-039409-E
    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 Pennsylvania license search

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95% fewer Medicare Part D claims than the average anesthesiology physician in 2024

22 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Stanley Defay22
  2. Specialty average402

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.

Bills Medicare through one group practice

  1. Grove City Anesthesia And Pain Management, PLLCRoaring Spring, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stanley Defay among 2,481 anesthesiology physician records in Pennsylvania

Stanley Defay, M.D. is one of 2,481 anesthesiology physician records with a practice address in Pennsylvania. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 81% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated1977 · median 2005 among the 1,720 with a school on file
  • Record last updated2007 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 anesthesiology physician records list a practice address in Roaring Spring

They are 2 of the 87 NPPES records with a practice address in Roaring Spring, and 2,481 anesthesiology physician records in Pennsylvania.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. John Dinger, M.D.Roaring Spring, PA 166731225039126
  2. Kevin Lee, M.D.Huntingdon, PA 166521780698308
  3. Donghui Chen, MDBradford, PA 167011578540597
  4. Phillip Cusano, MDBradford, PA 167011619948908
  5. Victoria Belopolsky, MDAltoona, PA 166011912975343
  6. Sayedmorteza Gharib, M.D.Altoona, PA 166011811937600
  7. John JohnsonAltoona, PA 166011790764207
  8. Joseph Martinelli, M.D.Altoona, PA 166011669415766

Common questions

What is Stanley Defay, M.D.'s NPI number?

Stanley Defay, M.D.'s National Provider Identifier (NPI) is 1881695781, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Stanley Defay, M.D. located?

The NPPES record lists a practice address at 105 Nason Dr, Roaring Spring, PA, 16673. Phone: (814) 224-2141. Providers update this record themselves, so call before visiting.

How can I verify Stanley Defay, M.D.'s license?

NPPES lists Pennsylvania license number MD-039409-E, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stanley Defay, M.D. prescribe under Medicare Part D?

In 2024, Stanley Defay, M.D. had 22 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.