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Edit this profileAt a glance
- 1631 Lancaster Dr Ste 150, Grapevine, TX 76051
About Dr. Firstenberg
Based in Grapevine, TX, Barry A. Firstenberg, DO is listed in the NPI registry under internal medicine. Barry graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1978. Barry is also listed as specializing in hematology & oncology. According to Medicare claims data, Barry cared for 2,080 Medicare patients across 48,713 services. The services billed most often include injection, pembrolizumab, 1 mg, injection, fosaprepitant, 1 mg, and low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml. NPI 1215939764 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (817) 251-9080
- Email not available
Practice Locations
1631 LANCASTER DR STE 150
Grapevine, TX 76051
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
- Acid reflux
- Fatty liver disease
- IBS
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
- Chronic kidney disease
- Enlarged prostate
Respiratory
Blood & Circulation
- Blood clots
Blood disorders
- Anemia
Brain & Nerves
Brain and nerves
- Vertigo
Cardiac and vascular
- AFib
Digestive
Heart & Circulation
- Heart disease
Infections
- Impetigo
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
- EKG
- Spirometry
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
- Endoscopy
Exams & Consultations
- Pre-Op Clearance Exam
Heart & Circulation
- Blood Pressure Check
- Heart monitor
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
- Urinalysis
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
- Ingrown toenail removal
- Suture removal
Office procedures
- Cryotherapy for skin lesions
- Earwax removal
- Incision and drainage of an abscess
- Skin biopsy
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
- Smoking cessation counseling
Screenings & Diagnostics
- Bone Density Scan Referral
- Diabetes Screening and A1C Test
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
48,713 services · 2,080 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
693 | As often as other peers in Internal Medicine |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
326 | More often than most peers in Internal Medicine |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
256 | More often than most peers in Internal Medicine |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
143 | More often than most peers in Internal Medicine |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
19,700 | More often than most peers in Internal Medicine |
| Injection, fosaprepitant, 1 mg | Drug given | J1453 |
5,700 | Less often than most peers in Internal Medicine |
| Injection, iron sucrose, 1 mg | Drug given | J1756 |
4,100 | Less often than most peers in Internal Medicine |
| Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Drug given | J0881 |
3,620 | Less often than most peers in Internal Medicine |
| Injection, denosumab, 1 mg | Drug given | J0897 |
1,800 | Less often than most peers in Internal Medicine |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
1,325 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 31 related providers in 4 groups
Other internists in Grapevine 8
Same specialty, same city.
Trained at At Still University of Health Sciences, College of Osteo Med, Kirksville 8
Other providers in the same specialty who trained at the same institution.
Class of 1978 at At Still University of Health Sciences, College of Osteo Med, Kirksville 7
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in TX who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Firstenberg?
Dr. Firstenberg is an internist in Grapevine, TX. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
What is Dr. Firstenberg's address?
Dr. Firstenberg is listed at 1631 Lancaster Dr Ste 150, Grapevine, TX 76051. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Firstenberg?
The number on file is (817) 251-9080. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Firstenberg's NPI number?
Dr. Firstenberg's National Provider Identifier is 1215939764. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Firstenberg train?
Dr. Firstenberg attended At Still University of Health Sciences, College of Osteo Med, Kirksville, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Firstenberg been practicing?
Dr. Firstenberg has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Firstenberg perform?
According to Medicare billing data, Dr. Firstenberg performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as administration of chemotherapy into vein, 1 hour or less and infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Firstenberg confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Firstenberg. If this is you, claiming it is free.
Guide.md
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