Grady Mark McMahan, DO
Family Medicine Physician · Greenville, TX
Grady Mark McMahan, DO is a family medicine physician with a practice address in Greenville, Texas, and NPI 1205839537, issued on May 31, 2005. Check the license (Texas J6584, as entered in NPPES) on the Texas Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Grady Mark McMahan
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- J6584 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Wesley St, Greenville, TX 75401
- Phone
- (903) 454-8111
- Enumerated
- May 31, 2005
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (903) 454-1680
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 4101 Wesley St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Randle, MS, PT.Physical Therapist1467460568
Verify Grady Mark McMahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license J6584Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Grady Mark McMahan among 11,119 family medicine physician records in Texas
Grady Mark McMahan, DO 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2007 · 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).
23 family medicine physician records list a practice address in Greenville
They are 23 of the 586 NPPES records with a practice address in Greenville, and 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 → Every provider in Greenville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Harold Barnard, D OGreenville, TX 754011710074612
- Robert Deuell, MDGreenville, TX 754011407894959
- Linton Koger, MDGreenville, TX 754011386687242
- Howard Kweller, M.D.Greenville, TX 754011952385494
- Leah Madsen, MDGreenville, TX 754011578501540
- Dee McCrary, MDGreenville, TX 754011942203278
- Suzanne Monday, MDGreenville, TX 754011003818337
- Joseph Perks, DOGreenville, TX 754011417930090
Common questions
What is Grady Mark McMahan, DO's NPI number?
Grady Mark McMahan, DO's National Provider Identifier (NPI) is 1205839537, issued on May 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Grady Mark McMahan, DO located?
The NPPES record lists a practice address at 4101 Wesley St, Greenville, TX, 75401. Phone: (903) 454-8111. Providers update this record themselves, so call before visiting.
How can I verify Grady Mark McMahan, DO's license?
NPPES lists Texas license number J6584, 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.