America A A L Warren, MD
Internal Medicine Physician · Houston, TX
America A A L Warren, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1952338956, issued on Jun 26, 2006. Check the license (Texas L8110, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- America A A L Warren
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L8110 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6624 Fannin St, Houston, TX 77030
- Phone
- (713) 442-0000
- Enumerated
- Jun 26, 2006
- Record last updated
- Jun 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid IDs
- 166497103 TX
166497104 TX
166497105 TX - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 6624 Fannin St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Sumera Ali, P.A.Physician Assistant1144657578
- Mark Amerman, OPA-CPhysician Assistant1073703740
- Bahaa AwadaAdult Health Nurse Practitioner1497110621
Verify America A A L Warren in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L8110Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
86 Medicare Part D claims for 18 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Tamsulosin 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.
America A A L Warren among 9,175 internal medicine physician records in Texas
America A A L Warren, MD 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2021 · 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 →
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Common questions
What is America A A L Warren, MD's NPI number?
America A A L Warren, MD's National Provider Identifier (NPI) is 1952338956, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is America A A L Warren, MD located?
The NPPES record lists a practice address at 6624 Fannin St, Houston, TX, 77030. Phone: (713) 442-0000. Providers update this record themselves, so call before visiting.
How can I verify America A A L Warren, MD's license?
NPPES lists Texas license number L8110, 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 America A A L Warren, MD prescribe under Medicare Part D?
In 2024, America A A L Warren, MD had 86 Medicare Part D claims for 18 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.