Diana L. Flanagan, D.D.S.
General Practice Dentistry · Houston, TX
Diana L. Flanagan, D.D.S. is a general practice dentistry with a practice address in Houston, Texas, and NPI 1942572276, issued on Feb 2, 2012. Check the license (Texas 19570, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana L. Flanagan
- Credential
- D.D.S.
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 19570 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4101 Greenbriar St, Houston, TX 77098
- Phone
- (713) 522-6366
- Enumerated
- Feb 2, 2012
- Record last updated
- Feb 2, 2012 (not updated in 14 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 10,056 in Texas → Look up another NPI →
Also registered at 4101 Greenbriar St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anoop Ahuja, M.D.Otolaryngology Physician1619960994
- Robert AnastasiaPharmacist1891031597
- Tamara Bird, PAPhysician Assistant1437405487
- Taylor Brooks, LPCProfessional Counselor1558580621
- Tameika ByrdMassage Therapist1063946127
- Sarah Cooper, M.D.Otolaryngology Physician1841526555
Verify Diana L. Flanagan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license 19570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average general practice dentistry in 2024
54 Medicare Part D claims for 41 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin43 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.
Diana L. Flanagan among 10,056 general practice dentistry records in Texas
Diana L. Flanagan, D.D.S. is one of 10,056 general practice dentistry records with a practice address in Texas. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 62% of them.
- NPI issued2012 · 62% of these records are older, 35% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2012 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,316 general practice dentistry records list a practice address in Houston
They are 1,316 of the 61,221 NPPES records with a practice address in Houston, and 10,056 general practice dentistry records in Texas.
All 10,056 in Texas → Every provider in Houston → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- Paulette Arana, D.D.S.Houston, TX 770981134276017
- Shane Bowen, D.D.S.Houston, TX 770981386791341
- Julien CainHouston, TX 770981669529855
- Dan Chu, D.D.S.Houston, TX 770981982648796
- Angie Dinh, D.D.S., PAHouston, TX 770981427145952
- Robert Grodner, D.D.S.Houston, TX 770981013012483
- Zarifeh Johnson, D.D.SHouston, TX 770981447210422
- Andrew Keene, DDSHouston, TX 770981225199037
Common questions
What is Diana L. Flanagan, D.D.S.'s NPI number?
Diana L. Flanagan, D.D.S.'s National Provider Identifier (NPI) is 1942572276, issued on Feb 2, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Diana L. Flanagan, D.D.S. located?
The NPPES record lists a practice address at 4101 Greenbriar St, Houston, TX, 77098. Phone: (713) 522-6366. Providers update this record themselves, so call before visiting.
How can I verify Diana L. Flanagan, D.D.S.'s license?
NPPES lists Texas license number 19570, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Diana L. Flanagan, D.D.S. prescribe under Medicare Part D?
In 2024, Diana L. Flanagan, D.D.S. had 54 Medicare Part D claims for 41 beneficiaries; the average among general practice dentistry prescribers was 83. 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.