DR. AVI BART MARKOWITZ M.D.
NPI 1336155662
Internal Medicine - Hematology & Oncology in Galveston, TX

Q: What is Avi Markowitz's NPI number?

The NPI number for Avi Markowitz is 1336155662. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Q: What is Avi Markowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Avi Markowitz was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 31, 2006PECOS EnrolledAccepts Medicare Assignment

74.96/100

CMS Quality Rating

301 UNIVERSITY BLVD, GALVESTON, TX 77555(409) 747-0890 Get Directions Write a Review

NPPES record last updated: March 19, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Mar 19, 2026, Dec 4, 2018 (2 updates tracked since 2018).

On this page

About Dr. Avi Bart Markowitz M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AVI BART MARKOWITZ M.D. (NPI 1336155662) is an individual hematology & oncology provider in Galveston, Texas, licensed in Texas (H3701) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with University Of Texas Medical Branch Galveston, and is a graduate of University Of California, San Francisco School Of Medicine (1981).

NPPES Registry Identity

NPI1336155662

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NameDR. AVI BART MARKOWITZCredential: M.D.

Location Address301 UNIVERSITY BLVDGalveston, TX 77555-1022

Mailing Address301 University BlvdGalveston, TX 77555-1022 · (409) 747-0890

Phone(409) 747-0890

Sole ProprietorNo

Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1981

Enumeration DateJuly 31, 2006

Last NPPES UpdateMarch 19, 20262 updates tracked since enumeration

NPPES CertifiedMarch 19, 2026

✔ NPI 1336155662 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in TX · H3701

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License H3701 (TX)

301 UNIVERSITY BLVD, Galveston, TX 77555

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Other Identifiers 2

Medicaid100522506TX

Other100522507TX · Cshcn Medicaid

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community Health Choice, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Avi Bart Markowitz M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3577512367

PECOS Enrollment IDI20050119000580

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

62 services39 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

20 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Texas Medical Branch Galveston

Acute Care Hospitals · Galveston, TX

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number450018

Location301 University BoulevardGalveston, TX 77555 · Galveston County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77555 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$173.07 typical visit price

range $57.19 – $173.07

Typical copayment $43.26 (range $14.29 – $43.26)

Most-billed visit code 99205

Established Patient

$100.90 typical visit price

range $18.45 – $141.36

Typical copayment $25.22 (range $4.61 – $35.34)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

74.96/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

73.77

Promoting Interoperability

Improvement Activities

Cost

47.75

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

AMY KATHERINE HAVERTY PNP

Nurse Practitioner (Pediatrics)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-2222

EVA NOVAK BLIGHT NNP

Nurse Practitioner (Neonatal)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-2222

DR. JENNIFER ANN MINNEMAN MD

Surgery (Trauma Surgery)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-1011

DR. JAMES HAROLD PAVELA MD

Internal Medicine

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-7063

DIAA HAMOUDA MBBCH

Psychiatry & Neurology (Neurology)

301 UNIVERSITY BLVD, JSA 9.128
GALVESTON, TX 77555

Galveston County (409) 772-8031

SOMMER KIRSCH CAUSEY MD

Anesthesiology

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-1221

RANDA ABDELMASIH MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (832) 505-2300

HEATHER PENTON

Anesthesiology

301 UNIVERSITY BLVD
GALVESTON, TX 77555

Galveston County (409) 772-2222

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Avi Markowitz's NPI number?

The NPI number for Avi Markowitz is 1336155662. It was assigned to this individual provider in the NPPES registry on July 31, 2006.

Where is Avi Markowitz located?

Avi Markowitz practices at 301 University Blvd, Galveston, TX 77555. The listed phone number is (409) 747-0890.

What is Avi Markowitz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Avi Markowitz enrolled in Medicare?

Yes. Avi Markowitz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Avi Markowitz accept?

Health plans from Blue Cross and Blue Shield of Texas, Community Health Choice, Oscar Insurance Company and WellPoint list Avi Markowitz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Avi Markowitz affiliated with any hospitals?

According to CMS data, Avi Markowitz is affiliated with University Of Texas Medical Branch Galveston.

When was this NPI record last updated?

The NPPES record for Avi Markowitz was last updated on March 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.