Dr. Allyson Harroff, M.D.
What this data tells you about Dr. Harroff
Dr. Allyson Harroff is a medical oncology specialist in San Antonio, TX, with 19 years of NPI registration. Based on federal Medicare data, Dr. Harroff performed 34,871 Medicare services across 2,052 unique beneficiaries.
Between the years covered by Open Payments, Dr. Harroff received a total of $1,512 from 17 pharmaceutical and/or device companies across 24 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in medical oncology. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Harroff is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Iron sucrose injection (Venofer) | 9,700 | $0 | $2 |
| Contrast dye for imaging (iodine-based) | 7,992 | $0 | $3 |
| Anti-nausea injection (fosaprepitant) | 6,750 | $0 | $5 |
| Dexamethasone injection (steroid) | 2,070 | $0 | $1 |
| Denosumab injection (Prolia/Xgeva) | 1,260 | $18 | $66 |
| Injection, granisetron hydrochloride, 100 mcg | 960 | $0 | $24 |
| Anti-nausea injection (Aloxi/palonosetron) | 680 | $1 | $114 |
| Complete blood count (CBC) with differential | 662 | $8 | $36 |
| Office visit, established patient (20-29 min) | 621 | $60 | $250 |
| Blood draw (venipuncture) | 616 | $8 | $20 |
| Comprehensive metabolic blood panel | 577 | $10 | $64 |
| Flow cytometry, additional marker | 317 | $18 | $180 |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | 312 | $21 | $157 |
| Administration of chemotherapy into vein, 1 hour or less | 263 | $94 | $707 |
| Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session | 142 | $269 | $2,762 |
| Carcinoembryonic antigen (cea) protein level | 139 | $18 | $99 |
| Radiation treatment delivery,3 or more separate treatment areas, custom blocking, tangential ports, wedges, rotational beam, compensators, electron beam; 11-19 mev | 119 | $176 | $700 |
| Injection, zoledronic acid, 1 mg | 119 | $7 | $431 |
| Immunoglobulin level test | 114 | $9 | $56 |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 104 | $46 | $313 |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | 98 | $54 | $211 |
| Immunologic analysis for detection of tumor antigen, quantitative; ca 15-3 | 94 | $20 | $128 |
| Injection, diphenhydramine hcl, up to 50 mg | 86 | $1 | $7 |
| Drug injection, under skin or into muscle | 83 | $10 | $96 |
| Measurement of immunoglobulin light chains | 80 | $17 | $60 |
| Ct scan of chest with contrast | 75 | $47 | $821 |
| Administration of additional new drug or substance into vein, 1 hour or less | 74 | $49 | $344 |
| Ferritin level test (iron stores) | 65 | $13 | $60 |
| Iron level test | 65 | $6 | $27 |
| Iron binding capacity test | 65 | $9 | $35 |
| CT scan of abdomen and pelvis with contrast | 61 | $164 | $1,067 |
| Infusion, normal saline solution , 1000 cc | 52 | $2 | $19 |
| Microscopic examination for white blood cells with manual cell count | 45 | $4 | $22 |
| Complete blood count (CBC), automated | 45 | $6 | $34 |
| Prothrombin time test (blood clotting) | 44 | $4 | $30 |
| Office visit, established patient (30-39 min) | 43 | $96 | $368 |
| Infusion into a vein for hydration, each additional hour | 37 | $10 | $75 |
| Lactate dehydrogenase (enzyme) level | 36 | $6 | $31 |
| Reticulated (young) platelet measurement | 35 | $35 | $143 |
| New patient office visit, complex (60-74 min) | 32 | $164 | $709 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 30 | $89 | $657 |
| Nuclear medicine study from skull base to mid-thigh with ct scan | 28 | $1,099 | $4,802 |
| Thyroid stimulating hormone (TSH) test | 27 | $16 | $80 |
| New patient office visit (45-59 min) | 24 | $101 | $565 |
| Protein measurement, serum | 18 | $11 | $99 |
| Flow cytometry technique for dna or cell analysis, first marker | 12 | $56 | $298 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
Associated products mentioned in payments ›
Most payments (97%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
4.8 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This measures how much public data is available about a provider — not how good they are. How we calculate this →
Summary
Dr. Harroff is a mixed practice specialist, with above-average Medicare volume (top 25% in TX), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →
Frequently Asked Questions
Is Dr. Harroff experienced with iron sucrose injection (venofer)?
Does Dr. Harroff receive payments from pharmaceutical companies?
How do Dr. Harroff's costs compare to other medical oncologists in San Antonio?
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. The Transparency Score measures data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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