Denise M. Ryan, MD
Emergency Medicine Physician · Houston, TX
Denise M. Ryan, MD is an emergency medicine physician with a practice address in Houston, Texas, and NPI 1528038163, issued on Jan 25, 2006. Check the license (Texas L7148, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Denise M. Ryan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- L7148 TX
Self-reported in NPPES; status is on the state search - Practice location
- 12141 Richmond Ave, Houston, TX 77082
- Phone
- (281) 558-3444
- Enumerated
- Jan 25, 2006
- Record last updated
- Apr 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicaid ID
- 162091602 TX
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 4,885 in Texas → Look up another NPI →
Also registered at 12141 Richmond Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Winifred AgadaPsychiatric/Mental Health Nurse Practitioner1609730076
- Anush Agrawal, MDStudent in an Organized Health Care Education/Training Program1275235756
- Pavan Anand, MDStudent in an Organized Health Care Education/Training Program1669175337
- Byron Bassi, M.D.Emergency Medicine Physician1548521891
- Nimi Bhattatiry, MDInternal Medicine Physician1013546886
- Nora BolanosFamily Nurse Practitioner1578964177
Verify Denise M. Ryan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L7148Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% fewer Medicare Part D claims than the average emergency medicine physician in 2024
125 Medicare Part D claims for 66 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cyclobenzaprine Hcl11 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.
Denise M. Ryan among 4,885 emergency medicine physician records in Texas
Denise M. Ryan, MD is one of 4,885 emergency medicine physician records with a practice address in Texas. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 67% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 57% of these records are
- Record last updated2010 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
818 emergency medicine physician records list a practice address in Houston
They are 818 of the 61,221 NPPES records with a practice address in Houston, and 4,885 emergency medicine physician records in Texas.
All 4,885 in Texas → Every provider in Houston → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Byron Bassi, M.D.Houston, TX 770821548521891
- Hazel Cebrun-Archie, M.D.Houston, TX 770821598740326
- Andy Chen, M.D.Houston, TX 770821952387458
- Samuel Gardner, M.D.Houston, TX 770821801871538
- Himanshu GuptaHouston, TX 770821619555323
- Cynthia Moran, MDHouston, TX 770821295705820
- Michelle Mowad, M.D.Houston, TX 770821356453641
- Darryn Myers, M.D.Houston, TX 770821972583110
Common questions
What is Denise M. Ryan, MD's NPI number?
Denise M. Ryan, MD's National Provider Identifier (NPI) is 1528038163, issued on Jan 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Denise M. Ryan, MD located?
The NPPES record lists a practice address at 12141 Richmond Ave, Houston, TX, 77082. Phone: (281) 558-3444. Providers update this record themselves, so call before visiting.
How can I verify Denise M. Ryan, MD's license?
NPPES lists Texas license number L7148, 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 Denise M. Ryan, MD prescribe under Medicare Part D?
In 2024, Denise M. Ryan, MD had 125 Medicare Part D claims for 66 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.