Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Allyson Lynn Harroff, MD

Individual provider Medical Oncology Physician · NPI 1538291380

Dr. Allyson Lynn Harroff, MD is a Hematology/Oncology in San Antonio, Texas. Graduated from Medical College of Ohio in 1998, 28 years ago. Practices with Texas Oncology PA, a 1,005-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Texas.

Years since qualifying
28
Trained at
Medical College of Ohio
Licensed in
TX
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2130 N.e.loop 410 Ste #100
San Antonio, TX 78217-4660
Phone: (210) 656-7177
Fax: (210) 656-3687
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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 M3251 (TX)
Medical Oncology Physician Taxonomy 207RX0202X · Licence M3251 (TX)

Record details

NPI number1538291380
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 9, 2007
Last updated in NPPESJuly 28, 2022
Certification dateJuly 28, 2022

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Also practisesINTERNAL MEDICINE, MEDICAL ONCOLOGY
Medical schoolMEDICAL COLLEGE OF OHIO
Graduated 1998 (28 years in practice)
Group practice Texas Oncology Pa — 1005 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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