Anna Lyn Alquiza, M.D.
Internal Medicine Physician · Houston, TX
Anna Lyn Alquiza, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1639177850, issued on Jul 12, 2005. Check the license (Texas L9066, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Anna Lyn Alquiza
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L9066 TX
Self-reported in NPPES; status is on the state search - Practice location
- 929 Gessner RD Ste 2450, Houston, TX 77024
- Phone
- (713) 464-9939
- Enumerated
- Jul 12, 2005
- Record last updated
- Nov 25, 2025
- Fax
- (713) 464-9942
- Medicaid IDs
- 1639177850 TX
173025101 TX - Medicare enrollment
- Enrolled (PECOS I20041117000506); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 929 Gessner RD Ste 2450
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robin Landry, PA-CPhysician Assistant1336709070
- Sheau Yuen Lee, RDN, LDRegistered Dietitian1376086249
- Manish Parikh, MDInternal Medicine Physician1275580359
- Elizabeth PaulPhysician Assistant1447806088
- Jeannine Wallace, P.A.-CPhysician Assistant1457378051
- Wanika Williams, M.D.Internal Medicine Physician1891719092
Verify Anna Lyn Alquiza in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L9066Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,084 Medicare Part D claims for 462 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Rosuvastatin Calcium140 claims
- Atorvastatin Calcium132 claims
- Losartan Potassium106 claims
- Amlodipine Besylate88 claims
- Levothyroxine Sodium65 claims
- Metformin Hcl63 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: $23.94
1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 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 2 group practices
- Kelsey-Seybold Medical Group, PLLCHouston, TX
- Wellmed Medical Group PASan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Anna Lyn Alquiza among 9,175 internal medicine physician records in Texas
Anna Lyn Alquiza, M.D. is one of 9,175 internal 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1993 · median 2004 among the 6,088 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Saikrishna Aleti, M.D.Houston, TX 770241497770077
- Ann Domask, M.D.Houston, TX 770241790780955
- Ankur Doshi, M.D.Houston, TX 770241659487650
- George Keith, M.D.Houston, TX 770241598748873
- Pratibha Kulkarni, M.D.Houston, TX 770241215972211
- Margaret Lang-Williams, M.D.Houston, TX 770241255389847
- Manish Parikh, MDHouston, TX 770241275580359
- Trevor Rabie, MDHouston, TX 770241285670661
Common questions
What is Anna Lyn Alquiza, M.D.'s NPI number?
Anna Lyn Alquiza, M.D.'s National Provider Identifier (NPI) is 1639177850, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Anna Lyn Alquiza, M.D. located?
The NPPES record lists a practice address at 929 Gessner RD Ste 2450, Houston, TX, 77024. Phone: (713) 464-9939. Providers update this record themselves, so call before visiting.
How can I verify Anna Lyn Alquiza, M.D.'s license?
NPPES lists Texas license number L9066, 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 Anna Lyn Alquiza, M.D. prescribe under Medicare Part D?
In 2024, Anna Lyn Alquiza, M.D. had 2,084 Medicare Part D claims for 462 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.