Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Barry Alan Firstenberg, DO

Individual provider Hematology & Oncology Physician · NPI 1215939764

Barry Alan Firstenberg, DO practises Internal Medicine in Grapevine, Texas. Graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1978, 48 years ago. Practices with Texas Oncology PA, a 1,005-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
48
Trained at
At Still University of Health Sciences, College of Osteo Med, Kirksville
Licensed in
TX
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1631 Lancaster Dr Ste 150
Grapevine, TX 76051-3586
Phone: (817) 251-9080
Fax: (817) 251-9082
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G6294 (TX)

Record details

NPI number1215939764
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 15, 2005
Last updated in NPPESNovember 16, 2021
Certification dateNovember 16, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolAT STILL UNIVERSITY OF HEALTH SCIENCES, COLLEGE OF OSTEO MED, KIRKSVILLE
Graduated 1978 (48 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients489
Average patient age76

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $2,988 89 payments · a meal or drink at a meeting or visit, not a fee
Consulting Fee $2,300 1 payment
Long term medical supply or device loan $1,196 12 payments · a device or supply lent for a long period, not cash
Travel and Lodging $15 1 payment · travel or lodging paid or reimbursed, such as to attend a conference

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Texas Oncology PA

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1005 clinicians in the practice; 12 are shown here.

Other providers in Grapevine