John A. Walker, M.D.
Family Medicine Physician · Hammond, LA
John A. Walker, M.D. is a family medicine physician with a practice address in Hammond, Louisiana, and NPI 1477536324, issued on Nov 23, 2005. Check the license (Louisiana 011436, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John A. Walker
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 011436 LA
Self-reported in NPPES; status is on the state search - Practice location
- 16052 Doctors Blvd, Hammond, LA 70403
- Phone
- (985) 345-9606
- Enumerated
- Nov 23, 2005
- Record last updated
- Apr 15, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (985) 345-9616
- Medicaid ID
- 1159336 LA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 16052 Doctors Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kacie Blackwell, APRNFamily Nurse Practitioner1427400217
- Claude Gilbreath, M.D.Family Medicine Physician1356324594
- Maggie Smith, NPFamily Nurse Practitioner1134584295
Verify John A. Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 011436Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% more Medicare Part D claims than the average family medicine physician in 2024
4,951 Medicare Part D claims for 389 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 18 claims were for opioids.
Most prescribed
- Amlodipine Besylate354 claims
- Atorvastatin Calcium314 claims
- Levothyroxine Sodium271 claims
- Lisinopril228 claims
- Losartan Potassium151 claims
- Pantoprazole Sodium149 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 74.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $948.90
57 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
John A. Walker among 1,728 family medicine physician records in Louisiana
John A. Walker, M.D. is one of 1,728 family medicine physician records with a practice address in Louisiana. 85% 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, 87% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2008 · 61% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 family medicine physician records list a practice address in Hammond
They are 22 of the 1,766 NPPES records with a practice address in Hammond, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Hammond → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mark Daunis, MDHammond, LA 704031215992813
- Michael Drapcho, M.D.Hammond, LA 704031316981475
- Michael Dunn, MDHammond, LA 704031326006529
- Claude Gilbreath, M.D.Hammond, LA 704031356324594
- Ted Hudspeth, MDHammond, LA 704031811928112
- Juan Martinez, MDHammond, LA 704031194913335
- Genesa Metcalf, MDHammond, LA 704031548231020
- Christopher Miller, M.D.Hammond, LA 704031396742508
Common questions
What is John A. Walker, M.D.'s NPI number?
John A. Walker, M.D.'s National Provider Identifier (NPI) is 1477536324, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.
Where is John A. Walker, M.D. located?
The NPPES record lists a practice address at 16052 Doctors Blvd, Hammond, LA, 70403. Phone: (985) 345-9606. Providers update this record themselves, so call before visiting.
How can I verify John A. Walker, M.D.'s license?
NPPES lists Louisiana license number 011436, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John A. Walker, M.D. prescribe under Medicare Part D?
In 2024, John A. Walker, M.D. had 4,951 Medicare Part D claims for 389 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is John A. Walker, M.D.'s MIPS final score?
The 2023 MIPS final score is 74.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.