John Randall Griffin, MD
Dermatology Physician · Houston, TX
John Randall Griffin, MD is a dermatology physician with a practice address in Houston, Texas, and NPI 1548490212, issued on Jul 16, 2009. Check the license (Texas Q0644, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Randall Griffin
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- Q0644 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Campbell RD, Houston, TX 77055
- Phone
- (713) 442-6900
- Enumerated
- Jul 16, 2009
- Record last updated
- May 26, 2023
- Medicaid IDs
- 338357202 TX
338357203 TX - Medicare enrollment
- Enrolled (PECOS I20140822000360); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At Houston, 2009
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,172 in Texas → Look up another NPI →
Also registered at 1001 Campbell RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John Randall Griffin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q0644Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
7% fewer Medicare Part D claims than the average dermatology physician in 2024
739 Medicare Part D claims for 237 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Ketoconazole106 claims
- Triamcinolone Acetonide65 claims
- Fluorouracil33 claims
- Methotrexate31 claims
- Hydrocortisone30 claims
- Mupirocin30 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: $14.66
1 payment: food and beverage; the largest payer was Galderma Laboratories, L.P. The 10,250 providers of this specialty with any payment received $8,544.61 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
- Kelsey-Seybold Medical Group, PLLCHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Randall Griffin among 1,172 dermatology physician records in Texas
John Randall Griffin, MD is one of 1,172 dermatology physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 52% of them.
- NPI issued2009 · 52% of these records are older, 46% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2009 · median 2008 among the 926 with a school on file
- Record last updated2023 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Texas
There are 1,172 dermatology physician records in Texas.
All 1,172 in Texas → Every provider in Houston → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Alissa Adler, MDHouston, TX 770561710516497
- Suzanne Bruce, M.D.Houston, TX 770561588661979
- Charles Doubleday, MDHouston, TX 770561508869991
- Leigh Eubanks, M.D.Houston, TX 770561780681171
- Madeleine Gantz, MDHouston, TX 770561821526674
- Kudakwashe Maloney, M.DHouston, TX 770561851528228
- Seymour Weaver, MDHouston, TX 770561225126956
- Kehinde Ogunmakin, M.DHouston, TX 770571659651008
Common questions
What is John Randall Griffin, MD's NPI number?
John Randall Griffin, MD's National Provider Identifier (NPI) is 1548490212, issued on Jul 16, 2009. An NPI identifies a provider in billing; it is not a license.
Where is John Randall Griffin, MD located?
The NPPES record lists a practice address at 1001 Campbell RD, Houston, TX, 77055. Phone: (713) 442-6900. Providers update this record themselves, so call before visiting.
How can I verify John Randall Griffin, MD's license?
NPPES lists Texas license number Q0644, 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 Randall Griffin, MD prescribe under Medicare Part D?
In 2024, John Randall Griffin, MD had 739 Medicare Part D claims for 237 beneficiaries; the average among dermatology physician prescribers was 797. 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.