NPPES file of Aug 9, 2026

Jonathan F. Grier, M.D.

Gastroenterology Physician · Altoona, PA

Jonathan F. Grier, M.D. is a gastroenterology physician with a practice address in Altoona, Pennsylvania, and NPI 1326199035, issued on Jan 16, 2007. Check the license (Pennsylvania MD056197L, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1326199035
Name
Jonathan F. Grier
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
MD056197L PA
Self-reported in NPPES; status is on the state search
Practice location
2525 9TH Ave, Altoona, PA 16602
Phone
(814) 941-7170
Enumerated
Jan 16, 2007
Record last updated
Mar 5, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(814) 941-7427
Medicaid ID
0015387340004 PA
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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8 nearest gastroenterology physician records → All 1,049 in Pennsylvania → Look up another NPI →

Also registered at 2525 9TH Ave

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

  1. Melissa Kagarise, PA-CPhysician Assistant1861792012
  2. Corey KalinyakSurgery Physician1811555170
  3. Neil KaneshikiSurgery Physician1306803671
  4. Subhashis MaitraVascular Surgery Physician1710944079
  5. Dena Miles, PA-CSpecialist1396939294
  6. Gabrielle Minor, PA-CMedical Physician Assistant1265815237

Verify Jonathan F. Grier 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 MD056197L    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

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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Jonathan F. Grier among 1,049 gastroenterology physician records in Pennsylvania

Jonathan F. Grier, M.D. is one of 1,049 gastroenterology physician records with a practice address in Pennsylvania. 85% 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 2007, is newer than 53% of them.

  • NPI issued2007 · 53% of these records are older, 38% newer
  • In a Medicare fileNo · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 73% of these records are
  • Record last updated2008 · 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 207RG0100X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Pennsylvania

There are 1,049 gastroenterology physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,049 in Pennsylvania → Every provider in Altoona → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Rajih Alkhafaji, M.D.Altoona, PA 166021932133493
  2. Robert Bailey, D.O.Altoona, PA 166021568695039
  3. Edmond Bouassaf, M.D.Altoona, PA 166021346449071
  4. Ronald Brzana, M.D.Altoona, PA 166021861426173
  5. Lance Defrancisco, M.D.Altoona, PA 166021306864400
  6. David Kerstetter, M.D.Altoona, PA 166021619994076
  7. Ralph McKibbin, M.D.Altoona, PA 166021467486035
  8. Mitul Patel, MDAltoona, PA 166021235347485

Common questions

What is Jonathan F. Grier, M.D.'s NPI number?

Jonathan F. Grier, M.D.'s National Provider Identifier (NPI) is 1326199035, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan F. Grier, M.D. located?

The NPPES record lists a practice address at 2525 9TH Ave, Altoona, PA, 16602. Phone: (814) 941-7170. Providers update this record themselves, so call before visiting.

How can I verify Jonathan F. Grier, M.D.'s license?

NPPES lists Pennsylvania license number MD056197L, 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.

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.