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

John S Hrom, MD

Individual provider Hematology & Oncology Physician · NPI 1134238496

John S Hrom, MD is a Hematology/Oncology in Hattiesburg, Mississippi. Graduated from University of Mississippi School of Medicine in 2003, 23 years ago. Practices with Hattiesburg Clinic PA, a 530-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Mississippi.

Years since qualifying
23
Trained at
University of Mississippi School of Medicine
Licensed in
MS
In the registry since
2006
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

301 S 28th Ave
Hattiesburg, MS 39401-7233
Phone: (601) 288-8282
Fax: (601) 288-8290
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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 18990 (MS)

Record details

NPI number1134238496
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 30, 2006
Last updated in NPPESAugust 3, 2020
Certification dateAugust 3, 2020

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolUNIVERSITY OF MISSISSIPPI SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Hattiesburg Clinic Pa — 530 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations20 on file with Medicare

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