John Ingram Walker, MD
Psychiatry Physician · Navasota, TX
John Ingram Walker, MD is a psychiatry physician with a practice address in Navasota, Texas, and NPI 1639267800, issued on Oct 11, 2006. Check the license (Texas D7356, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Ingram Walker
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D7356 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1225 Leake St, Navasota, TX 77868
- Phone
- (936) 825-0314
- Enumerated
- Oct 11, 2006
- Record last updated
- Aug 12, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (936) 825-6423
- Medicaid ID
- 123242301 TX
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Verify John Ingram Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D7356Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average psychiatry physician in 2024
52 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Venlafaxine Hcl Er13 claims
- Aripiprazole11 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.
John Ingram Walker among 3,318 psychiatry physician records in Texas
John Ingram Walker, MD is one of 3,318 psychiatry physician records with a practice address in Texas. 72% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 45% of these records are
- Record last updated2011 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 psychiatry physician record lists a practice address in Navasota
They are 1 of the 66 NPPES records with a practice address in Navasota, and 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in Navasota → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- David Dranetz, MDCollege Station, TX 778451225088321
- Lorene Henry, MDCollege Station, TX 778451477614204
- Aldo Castiglioni, M.D., PH.D.College Station, TX 778431710029533
- Jason Boley, MDCollege Station, TX 778401134185234
- Cody Lindsey, M.D.College Station, TX 778401962600528
- John Bouras, M.D.Victoria, TX 779011669514311
- Johnnie Fisher, M.D.Victoria, TX 779011124151394
- Elizabeth John, MDVictoria, TX 779011730282179
Common questions
What is John Ingram Walker, MD's NPI number?
John Ingram Walker, MD's National Provider Identifier (NPI) is 1639267800, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Ingram Walker, MD located?
The NPPES record lists a practice address at 1225 Leake St, Navasota, TX, 77868. Phone: (936) 825-0314. Providers update this record themselves, so call before visiting.
How can I verify John Ingram Walker, MD's license?
NPPES lists Texas license number D7356, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Ingram Walker, MD prescribe under Medicare Part D?
In 2024, John Ingram Walker, MD had 52 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.