John Michael Lock, MD
Family Medicine Physician · Mountain City, TX
John Michael Lock, MD is a family medicine physician with a practice address in Mountain City, Texas, and NPI 1245218130, issued on Jan 3, 2006. Check the license (Texas H-4496, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Michael Lock
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- H-4496 TX
Self-reported in NPPES; status is on the state search - Practice location
- 109 Poplar Dr, Mountain City, TX 78610
- Phone
- (512) 262-1126
- Enumerated
- Jan 3, 2006
- Record last updated
- Jul 7, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (512) 262-1126
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Verify John Michael Lock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H-4496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Michael Lock among 11,119 family medicine physician records in Texas
John Michael Lock, MD is one of 11,119 family medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2013 · 51% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in Texas
There are 11,119 family medicine physician records in Texas. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 11,119 in Texas → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Gary Gilcrease, MDBuda, TX 786101427090893
- Victor Guerrero, MDBuda, TX 786101023075074
- Heidi Ostler, MDBuda, TX 786101457678336
- Jacqueline Stritz, MDBuda, TX 786101770045189
- Walter Chesshir, MDBurnet, TX 786111043285836
- Camey Crane, D.O.Burnet, TX 786111881933760
- Charles Franz, D.O.Burnet, TX 786111912978206
- Robert Graves, DOBurnet, TX 786111982624854
Common questions
What is John Michael Lock, MD's NPI number?
John Michael Lock, MD's National Provider Identifier (NPI) is 1245218130, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Lock, MD located?
The NPPES record lists a practice address at 109 Poplar Dr, Mountain City, TX, 78610. Phone: (512) 262-1126. Providers update this record themselves, so call before visiting.
How can I verify John Michael Lock, MD's license?
NPPES lists Texas license number H-4496, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.