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Internal Medicine

Asa Z. Oxner, MD

Works at hospitals in Tampa, FL · Florida

Summary

Dr. Asa Z. Oxner, MD is an internal medicine doctor at 13330 USF Laurel Dr, Tampa, FL 33612. Phone: (813) 209-8596. Accepts Medicare assignment. In 2024, Asa Z. Oxner had 48 Original Medicare patients and 63 services. NPI 1275826315. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 13330 USF Laurel Dr, Tampa, FL 33612 · Directions (4 more locations)
  • Phone: (813) 209‑8596
  • Medicare: Accepts Medicare assignment
  • Hospital: Tampa General Hospital
  • Group practice: University Medical Service Association Inc
  • Medical school: University Of South Florida College Of Medicine · graduated 2011 (15 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Asa Z. Oxner, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Asa Z. Oxner accept Medicare assignment?
Yes. Medicare's clinician data says Asa Z. Oxner accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Asa Z. Oxner see?
In 2024, CMS data shows 48 Original Medicare patients and 63 services for Asa Z. Oxner. This counts Original Medicare only and measures volume, not quality.
What is Asa Z. Oxner's NPI number?
1275826315. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Asa Z. Oxner, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients48
Services billed to Medicare63
Different services or procedures12
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)29 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis63%
  • Diabetes38%
  • Anxiety35%
  • Depression33%

Hospitals where Asa Z. Oxner works

Medicare's Facility Affiliation Data lists Asa Z. Oxner at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

  • Tampa General HospitalTampa, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100128

Practice locations

Addresses where Asa Z. Oxner is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Asa Z. Oxner as a member of this group (CMS data updated October 2, 2026).

  • University Medical Service Association Inc809 clinicians in the group

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Tampa

Clinicians with the same Medicare primary specialty in Tampa, FL — not a recommendation.

All internal medicine doctors in Tampa →

Other clinicians in University Medical Service Association Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of South Florida College Of Medicine
Graduation year2011 (15 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1275826315
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians