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Internal Medicine

Mark A. Hobbins Jr., MD

Works at hospitals in Fresno, CA · California

Summary

Dr. Mark A. Hobbins Jr., MD is an internal medicine doctor at 7300 N Fresno St, Fresno, CA 93720. Phone: (559) 448-4500. Accepts Medicare assignment. In 2024, Mark A. Hobbins Jr. had 18 Original Medicare patients and 24 services. NPI 1235751918. 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: 7300 N Fresno St, Fresno, CA 93720 · Directions
  • Phone: (559) 448‑4500
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Fresno
  • Group practice: Permanente Medical Group Inc
  • Medical school: graduated 2020 (6 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Mark A. Hobbins Jr., 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 Mark A. Hobbins Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Mark A. Hobbins Jr. 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 Mark A. Hobbins Jr. see?
In 2024, CMS data shows 18 Original Medicare patients and 24 services for Mark A. Hobbins Jr.. This counts Original Medicare only and measures volume, not quality.
What is Mark A. Hobbins Jr.'s NPI number?
1235751918. 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 Mark A. Hobbins Jr., 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 patients18
Services billed to Medicare24
Different services or procedures6
Participating Medicare providerYes
Average age of these patients68

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 pressure67%

Hospitals where Mark A. Hobbins Jr. works

Medicare's Facility Affiliation Data lists Mark A. Hobbins Jr. 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.

Practice locations

Addresses where Mark A. Hobbins Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mark A. Hobbins Jr. as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Fresno

Clinicians with the same Medicare primary specialty in Fresno, CA — not a recommendation.

All internal medicine doctors in Fresno →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Graduation year2020 (6 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235751918
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