Joan Walker, MD
Family Medicine Physician · Natchitoches, LA
Joan Walker, MD is a family medicine physician with a practice address in Natchitoches, Louisiana, and NPI 1861484933, issued on Aug 16, 2005. Check the license (Louisiana 025544, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Joan Walker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 025544 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1640 Breazeale Springs St, Natchitoches, LA 71457
- Phone
- (318) 357-2056
- Enumerated
- Aug 16, 2005
- Record last updated
- Oct 19, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (318) 521-8031
- Medicaid ID
- 1577804 LA
- Medicare enrollment
- Enrolled (PECOS I20050428001100); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1999
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Also registered at 1640 Breazeale Springs St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krystle Cash-Shaw, NP-CFamily Nurse Practitioner1285284612
- Cherilynne Cottles, M.D.Family Medicine Physician1346209921
- Jameel Courtney, HEALTH EDUCATORHealth Educator1447858014
- Dexter Humphrey, HEALTH EDUCATORHealth Educator1790383362
- Mary Lancaster, NPNurse Practitioner1164899845
- Latwana MatthewFamily Nurse Practitioner1902349848
Verify Joan 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 025544Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% fewer Medicare Part D claims than the average family medicine physician in 2024
2,638 Medicare Part D claims for 134 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 133 claims were for opioids.
Most prescribed
- Atorvastatin Calcium122 claims
- Losartan Potassium108 claims
- Hydrocodone-Acetaminophen102 claims
- Amlodipine Besylate91 claims
- Gabapentin89 claims
- Albuterol Sulfate Hfa76 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: $54.59
3 payments; by number, the most common kind was food and beverage; the largest payer was Iti, Inc. (d/b/a Intra-Cellular Therapies, Inc.). 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
- Winn Community Health Center, Inc.Winnfield, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joan Walker among 1,728 family medicine physician records in Louisiana
Joan Walker, MD 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 fileYes · 70% of these records are
- Graduated1999 · median 2006 among the 1,201 with a school on file
- Record last updated2020 · 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).
11 family medicine physician records list a practice address in Natchitoches
They are 11 of the 556 NPPES records with a practice address in Natchitoches, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Natchitoches → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Cherilynne Cottles, M.D.Natchitoches, LA 714571346209921
- Jack Fair, MDNatchitoches, LA 714571568673028
- Sujatha Gubbala, MDNatchitoches, LA 714571164818894
- John Hogg, MDNatchitoches, LA 714571760488969
- James Knecht, M.D.Natchitoches, LA 714571023013752
- William Luster, MDNatchitoches, LA 714571467695528
- Bryan Picou, M.DNatchitoches, LA 714571922003656
- Marguerite Picou, M.D.Natchitoches, LA 714571033115159
Common questions
What is Joan Walker, MD's NPI number?
Joan Walker, MD's National Provider Identifier (NPI) is 1861484933, issued on Aug 16, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joan Walker, MD located?
The NPPES record lists a practice address at 1640 Breazeale Springs St, Natchitoches, LA, 71457. Phone: (318) 357-2056. Providers update this record themselves, so call before visiting.
How can I verify Joan Walker, MD's license?
NPPES lists Louisiana license number 025544, 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 Joan Walker, MD prescribe under Medicare Part D?
In 2024, Joan Walker, MD had 2,638 Medicare Part D claims for 134 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.