John Frank Whitehorn, M.D.
Family Medicine Physician · Farmers Branch, TX
John Frank Whitehorn, M.D. is a family medicine physician with a practice address in Farmers Branch, Texas, and NPI 1508816844, issued on May 10, 2006. Check the license (Texas D5496, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Frank Whitehorn
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D5496 TX
Self-reported in NPPES; status is on the state search - Practice location
- 2300 Valley View LN, Farmers Branch, TX 75234
- Phone
- (214) 572-8835
- Enumerated
- May 10, 2006
- Record last updated
- Jul 13, 2026
- Entity
- Type 1 · individual
Also registered at 2300 Valley View LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reynaldo CastilloOther Technician1245058205
- Darryl Nix, D.O.Family Medicine Physician1871502278
Verify John Frank Whitehorn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license D5496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
21 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of 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.
10 family medicine physician records list a practice address in Farmers Branch
They are 10 of the 416 NPPES records with a practice address in Farmers Branch, and 11,119 family medicine physician records in Texas.
All 10 in Farmers Branch → All 11,119 in Texas → Every provider in Farmers Branch →
Other family medicine physician records in Texas
- Srinivasa Aaluri, MDEl Paso, TX1265566509
- Maira Aamir, MDShenandoah, TX1932660859
- Fakhrudin Aaseemah Mohamed, M.DAllen, TX1952782518
- So Abad, MDWichita Falls, TX1184624694
- Yoseph AbadiRichardson, TX1700742640
- Marcus Abadie, M.D.Athens, TX1104821107
- Montserrat Abadie Sole, M.D.Fort Worth, TX1245437078
- Sarah Abang-Hayes, M.D.San Antonio, TX1326244724
- Ahmad Abazid, M.DRichardson, TX1013238401
- Syed Abbas, M.D.Houston, TX1821267477
Common questions
What is John Frank Whitehorn, M.D.'s NPI number?
John Frank Whitehorn, M.D.'s National Provider Identifier (NPI) is 1508816844, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Frank Whitehorn, M.D. located?
The NPPES record lists a practice address at 2300 Valley View LN, Farmers Branch, TX, 75234. Phone: (214) 572-8835. Providers update this record themselves, so call before visiting.
How can I verify John Frank Whitehorn, M.D.'s license?
NPPES lists Texas license number D5496, 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 Frank Whitehorn, M.D. prescribe under Medicare Part D?
In 2024, John Frank Whitehorn, M.D. had 21 Medicare Part D claims; 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.