Avi Bart Markowitz, M.D.
Hematology & Oncology Physician · Galveston, TX
Avi Bart Markowitz, M.D. is a hematology & oncology physician with a practice address in Galveston, Texas, and NPI 1336155662, issued on Jul 31, 2006. Check the license (Texas H3701, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Avi Bart Markowitz
- Credential
- M.D.
- Primary taxonomy
- Hematology & Oncology Physician 207RH0003X
- License number
- H3701 TX
Self-reported in NPPES; status is on the state search - Practice location
- 301 University Blvd, Galveston, TX 77555
- Phone
- (409) 747-0890
- Enumerated
- Jul 31, 2006
- Record last updated
- Mar 19, 2026
- Medicaid ID
- 100522506 TX
- Medicare enrollment
- Enrolled (PECOS I20050119000580); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest hematology & oncology physician records → All 922 in Texas → Look up another NPI →
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Verify Avi Bart Markowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license H3701Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average hematology & oncology physician in 2024
297 Medicare Part D claims for 75 beneficiaries, against an average of 877 among the 10,784 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims. 26 claims were for opioids.
Most prescribed
- Anastrozole95 claims
- Imbruvica44 claims
- Verzenio38 claims
- Letrozole23 claims
- Hydrocodone-Acetaminophen18 claims
- Prochlorperazine Maleate18 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 75 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Utmb Faculty Group PracticeGalveston, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Avi Bart Markowitz among 922 hematology & oncology physician records in Texas
Avi Bart Markowitz, M.D. is one of 922 hematology & oncology physician records with a practice address in Texas. 87% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 57% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 75% of these records are
- Graduated1981 · median 2004 among the 691 with a school on file
- Record last updated2026 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RH0003X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hematology & Oncology Physician providers in Texas
There are 922 hematology & oncology physician records in Texas.
All 922 in Texas → Every provider in Galveston → Hematology & Oncology Physician nationwide →
The 8 hematology & oncology physician records with the nearest ZIP codes
- Hesham Abowali, MDGalveston, TX 775551447806955
- Jack Alperin, MDGalveston, TX 775551215096185
- Saba Batool, MDGalveston, TX 775551285112854
- Celyne Bueno Hume, M.D.Galveston, TX 775551487850970
- Bagi Jana, MDGalveston, TX 775551396742714
- Karthik Koduru, M.D.Galveston, TX 775551720241565
- Ajay Lingireddy, MDGalveston, TX 775551841814365
- Ajay Mitter, MDGalveston, TX 775551174587307
Common questions
What is Avi Bart Markowitz, M.D.'s NPI number?
Avi Bart Markowitz, M.D.'s National Provider Identifier (NPI) is 1336155662, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Avi Bart Markowitz, M.D. located?
The NPPES record lists a practice address at 301 University Blvd, Galveston, TX, 77555. Phone: (409) 747-0890. Providers update this record themselves, so call before visiting.
How can I verify Avi Bart Markowitz, M.D.'s license?
NPPES lists Texas license number H3701, 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 Avi Bart Markowitz, M.D. prescribe under Medicare Part D?
In 2024, Avi Bart Markowitz, M.D. had 297 Medicare Part D claims for 75 beneficiaries; the average among hematology & oncology physician prescribers was 877. Part D covers Medicare prescriptions only.
What is Avi Bart Markowitz, M.D.'s MIPS final score?
The 2023 MIPS final score is 75 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.