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Internal Medicine

Sadman A. Zaman, DO

Works at hospitals in La Mesa, CA · California

Summary

Dr. Sadman A. Zaman, DO is an internal medicine doctor at 5555 Grossmont Ctr Dr, La Mesa, CA 91942. Phone: (619) 461-1920. Accepts Medicare assignment. NPI 1669112454. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 5555 Grossmont Ctr Dr, La Mesa, CA 91942 · Directions
  • Phone: (619) 461‑1920
  • Medicare: Accepts Medicare assignment
  • Hospital: Grossmont Hospital
  • Group practice: Emergency and Acute Care Medical Corporation (+1 more)
  • Medical school: Touro Un Col Of Osteopathic Medicine, Henderson · graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sadman A. Zaman, 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 Sadman A. Zaman accept Medicare assignment?
Yes. Medicare's clinician data says Sadman A. Zaman 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.
What is Sadman A. Zaman's NPI number?
1669112454. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Sadman A. Zaman works

Medicare's Facility Affiliation Data lists Sadman A. Zaman 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.

  • Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026

Practice locations

Addresses where Sadman A. Zaman is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sadman A. Zaman as a member of these groups (CMS data updated October 2, 2026).

  • Emergency and Acute Care Medical Corporation422 clinicians in the group
  • San Diego Critical Care Medical Group Inc78 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in La Mesa

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

All internal medicine doctors in La Mesa →

Other clinicians in Emergency and Acute Care Medical Corporation

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

Clinician information

CredentialDO
Medical schoolTouro Un Col Of Osteopathic Medicine, Henderson
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669112454
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians