NPPES file of Aug 9, 2026

John Qa Mattern, DO

Hospitalist Physician · Fishersville, VA

John Qa Mattern, DO is a hospitalist physician with a practice address in Fishersville, Virginia, and NPI 1164495354, issued on Feb 9, 2006. Check the license (Virginia 0102201424, as entered in NPPES) on the Virginia Department of Health Professions; 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
1164495354
Name
John Qa Mattern
Credential
DO
Primary taxonomy
Hospitalist Physician 208M00000X
License number
0102201424 VA
Self-reported in NPPES; status is on the state search
Practice location
78 Medical Center Dr, Fishersville, VA 22939
Phone
(540) 932-4075
Enumerated
Feb 9, 2006
Record last updated
Sep 8, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(540) 932-5199
Medicaid ID
005886945 VA
Medicare enrollment
Enrolled (PECOS I20041109000354); accepts Medicare assignment
Medical or professional school
Virginia Commonwealth University, School Of Medicine, 2000
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.
Download card Updates feed

Also registered at 78 Medical Center Dr

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

  1. Georgina Abah, MDStudent in an Organized Health Care Education/Training Program1114860400
  2. Jessica Adkinson, FNPFamily Nurse Practitioner1265289540
  3. Amr Al-Ramahi, MDHematology & Oncology Physician1952896268
  4. Steven Anhold, PA-CPhysician Assistant1770402414
  5. Ahmad Arab, M.D.Anesthesiology Physician1417448697
  6. Cristina Armengol, MDEmergency Medicine Physician1710324652

Verify John Qa Mattern in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0102201424
    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 Virginia 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

60% fewer Medicare Part D claims than the average hospitalist physician in 2024

210 Medicare Part D claims for 84 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.

  1. John Mattern210
  2. Specialty average521

Most prescribed

  1. Pantoprazole Sodium15 claims
  2. Atorvastatin Calcium14 claims
  3. Eliquis12 claims

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. Augusta Medical GroupFishersville, VA

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

John Qa Mattern among 542 hospitalist physician records in Virginia

John Qa Mattern, DO is one of 542 hospitalist physician records with a practice address in Virginia. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 77% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2000 · median 2010 among the 426 with a school on file
  • Record last updated2021 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

26 hospitalist physician records list a practice address in Fishersville

They are 26 of the 720 NPPES records with a practice address in Fishersville, and 542 hospitalist physician records in Virginia.

The 8 hospitalist physician records with the nearest ZIP codes

  1. Jack Breaux, M.D.Fishersville, VA 229391942473905
  2. Roger Gildersleeve, MDFishersville, VA 229391629040159
  3. Robert Ginsberg, MDFishersville, VA 229391306808225
  4. Ilham Grant, M.D.Fishersville, VA 229391457355075
  5. Arrossa Jamshid, M.D.Fishersville, VA 229391962760256
  6. Michael Longo, MDFishersville, VA 229391528053600
  7. Heidi Martinson, M.D.Fishersville, VA 229391336155316
  8. Clinton Merritt, M.D.Fishersville, VA 229391114990207

Common questions

What is John Qa Mattern, DO's NPI number?

John Qa Mattern, DO's National Provider Identifier (NPI) is 1164495354, issued on Feb 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Qa Mattern, DO located?

The NPPES record lists a practice address at 78 Medical Center Dr, Fishersville, VA, 22939. Phone: (540) 932-4075. Providers update this record themselves, so call before visiting.

How can I verify John Qa Mattern, DO's license?

NPPES lists Virginia license number 0102201424, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Qa Mattern, DO prescribe under Medicare Part D?

In 2024, John Qa Mattern, DO had 210 Medicare Part D claims for 84 beneficiaries; the average among hospitalist physician prescribers was 521. 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.