Allison M. Blazek, M.D.
Internal Medicine Physician · Houston, TX
Allison M. Blazek, M.D. is an internal medicine physician with a practice address in Houston, Texas, and NPI 1730289695, issued on Sep 22, 2006. Check the license (Texas L1273, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Allison M. Blazek
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L1273 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1740 W 27TH St, Houston, TX 77008
- Phone
- (713) 880-2311
- Enumerated
- Sep 22, 2006
- Record last updated
- Feb 1, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (713) 880-1620
- Medicaid ID
- 145057902 TX
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 1740 W 27TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Allison M. Blazek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L1273Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,159 Medicare Part D claims for 127 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Rosuvastatin Calcium60 claims
- Losartan Potassium55 claims
- Trazodone Hcl46 claims
- Levothyroxine Sodium42 claims
- Amlodipine Besylate37 claims
- Montelukast Sodium34 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.
Allison M. Blazek among 9,175 internal medicine physician records in Texas
Allison M. Blazek, 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 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 updated2013 · 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
- Alicia Bordon, MDHouston, TX 770081629280177
- Mingfang Cheng, MDHouston, TX 770081417944943
- Ngan Thien Dao, D.O.Houston, TX 770081376830364
- Salim Gopalani, M.D.,Houston, TX 770081013983782
- Frene' Lacour-Chestnut, M.D.Houston, TX 770081316196884
- Salim Lakhani, M.DHouston, TX 770081972530939
- Dinesh Patel, M.DHouston, TX 770081427050772
- Rinal Patel, MDHouston, TX 770081982918025
Common questions
What is Allison M. Blazek, M.D.'s NPI number?
Allison M. Blazek, M.D.'s National Provider Identifier (NPI) is 1730289695, issued on Sep 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Allison M. Blazek, M.D. located?
The NPPES record lists a practice address at 1740 W 27TH St, Houston, TX, 77008. Phone: (713) 880-2311. Providers update this record themselves, so call before visiting.
How can I verify Allison M. Blazek, M.D.'s license?
NPPES lists Texas license number L1273, 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 Allison M. Blazek, M.D. prescribe under Medicare Part D?
In 2024, Allison M. Blazek, M.D. had 1,159 Medicare Part D claims for 127 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.