Diana Grair, MD
Family Medicine Physician · Houston, TX
Diana Grair, MD is a family medicine physician with a practice address in Houston, Texas, and NPI 1184829772, issued on Jun 15, 2007. Check the license (Texas N5081, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Diana Grair
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- N5081 TX
4301095546 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4349 Martin Luther King Blvd Ste 1001E, Houston, TX 77204
- Phone
- (713) 743-9682
- Enumerated
- Jun 15, 2007
- Record last updated
- Jan 6, 2023
- Fax
- (713) 743-1049
- Medicare enrollment
- Enrolled (PECOS I20091204000341); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 11,119 in Texas → Look up another NPI →
Also registered at 4349 Martin Luther King Blvd Ste 1001E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohamed Zebda, DOPediatrics Physician1326380767
Verify Diana Grair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license N5081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
215 Medicare Part D claims for 33 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium29 claims
- Lisinopril18 claims
- Metformin Hcl14 claims
- Amlodipine Besylate11 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.
Bills Medicare through one group practice
- UH HealthHouston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Grair among 11,119 family medicine physician records in Texas
Diana Grair, 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. Its NPI, issued in 2007, is newer than 46% of them.
- NPI issued2007 · 46% of these records are older, 45% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2005 · median 2004 among the 7,095 with a school on file
- Record last updated2023 · 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).
1,123 family medicine physician records list a practice address in Houston
They are 1,123 of the 61,221 NPPES records with a practice address in Houston, and 11,119 family medicine physician records in Texas.
All 11,119 in Texas → Every provider in Houston → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lani Ackerman, M.D.Houston, TX 772041780696401
- Donald Briscoe, M.D.Houston, TX 772041750384897
- Kathryn Horn, M.D.Houston, TX 772041548218985
- Winston Liaw, MDHouston, TX 772041952502759
- Brian Reed, MDHouston, TX 772041023198447
- Suzan Skef, M.D.Houston, TX 772041427312107
- Stephen Spann, MDHouston, TX 772041447330881
- Kenya Steele, M.D.Houston, TX 772041245324813
Common questions
What is Diana Grair, MD's NPI number?
Diana Grair, MD's National Provider Identifier (NPI) is 1184829772, issued on Jun 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diana Grair, MD located?
The NPPES record lists a practice address at 4349 Martin Luther King Blvd Ste 1001E, Houston, TX, 77204. Phone: (713) 743-9682. Providers update this record themselves, so call before visiting.
How can I verify Diana Grair, MD's license?
NPPES lists Texas license number N5081, 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 Diana Grair, MD prescribe under Medicare Part D?
In 2024, Diana Grair, MD had 215 Medicare Part D claims for 33 beneficiaries; 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.