John Gray Wallace, M.D.
Family Medicine Physician · Kosciusko, MS
John Gray Wallace, M.D. is a family medicine physician with a practice address in Kosciusko, Mississippi, and NPI 1831486596, issued on Jul 1, 2011. Check the license (Mississippi 22522, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John Gray Wallace
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 22522 MS
Self-reported in NPPES; status is on the state search - Practice location
- 332 Highway 12 W, Kosciusko, MS 39090
- Phone
- (662) 289-1800
- Enumerated
- Jul 1, 2011
- Record last updated
- Sep 22, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (662) 289-2486
- Medicaid ID
- 07830815 MS
- Medicare enrollment
- Enrolled (PECOS I20130827000525); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 2011
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,165 in Mississippi → Look up another NPI →
Also registered at 332 Highway 12 W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Timothy Alford, MDFamily Medicine Physician1023070067
- Sridevi Alla, M.D.Family Medicine Physician1700016763
- Krista Blaylock, N.P.Nurse Practitioner1609178094
- Meagan Carpenter, FNPFamily Nurse Practitioner1770295735
- Benjamin Carter, MDFamily Medicine Physician1902868961
- Richard Carter, MDFamily Medicine Physician1235191289
Verify John Gray Wallace in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 22522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.2 times the Medicare Part D claims of the average family medicine physician in 2024
18,375 Medicare Part D claims for 721 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 389 claims were for opioids.
Most prescribed
- Amlodipine Besylate692 claims
- Levothyroxine Sodium610 claims
- Atorvastatin Calcium532 claims
- Meloxicam465 claims
- Pantoprazole Sodium447 claims
- Omeprazole436 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.
Industry payments in 2024: $1,412.07
89 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Premier Medical Group OF Mississippi LLCKosciusko, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Gray Wallace among 1,165 family medicine physician records in Mississippi
John Gray Wallace, M.D. is one of 1,165 family medicine physician records with a practice address in Mississippi. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 67% of them.
- NPI issued2011 · 67% of these records are older, 31% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2011 · median 2003 among the 748 with a school on file
- Record last updated2014 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family medicine physician records list a practice address in Kosciusko
They are 12 of the 134 NPPES records with a practice address in Kosciusko, and 1,165 family medicine physician records in Mississippi.
All 1,165 in Mississippi → Every provider in Kosciusko → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Timothy Alford, MDKosciusko, MS 390901023070067
- Sridevi Alla, M.D.Kosciusko, MS 390901700016763
- Robert Browning, MDKosciusko, MS 390901073585824
- Edward Bryant, MDKosciusko, MS 390901154478410
- Benjamin Carter, MDKosciusko, MS 390901902868961
- Richard Carter, MDKosciusko, MS 390901235191289
- Michael Holman, MDKosciusko, MS 390901073576070
- Jenni Miles, MDKosciusko, MS 390901790417251
Common questions
What is John Gray Wallace, M.D.'s NPI number?
John Gray Wallace, M.D.'s National Provider Identifier (NPI) is 1831486596, issued on Jul 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is John Gray Wallace, M.D. located?
The NPPES record lists a practice address at 332 Highway 12 W, Kosciusko, MS, 39090. Phone: (662) 289-1800. Providers update this record themselves, so call before visiting.
How can I verify John Gray Wallace, M.D.'s license?
NPPES lists Mississippi license number 22522, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Gray Wallace, M.D. prescribe under Medicare Part D?
In 2024, John Gray Wallace, M.D. had 18,375 Medicare Part D claims for 721 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.