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Internal Medicine

Tazeen Ahmed, MD

Works at hospitals in Saginaw, MI · Bay City, MI · Midland, MI … · Michigan

Summary

Dr. Tazeen Ahmed, MD is an internal medicine doctor at 2110 16th St, Suite 4, Bay City, MI 48708. Phone: (989) 891-9000. Accepts Medicare assignment. In 2024, Tazeen Ahmed had 1,438 Original Medicare patients and 5,440 services. NPI 1356370944. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Tazeen Ahmed, 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 Tazeen Ahmed accept Medicare assignment?
Yes. Medicare's clinician data says Tazeen Ahmed 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 Tazeen Ahmed see?
In 2024, CMS data shows 1,438 Original Medicare patients and 5,440 services for Tazeen Ahmed. This counts Original Medicare only and measures volume, not quality.
What is Tazeen Ahmed's NPI number?
1356370944. 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 Tazeen Ahmed, 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 patients1,438
Services billed to Medicare5,440
Different services or procedures53
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,153 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)503 services
  3. Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more (99308)484 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)433 services
  5. Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)271 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%
  • Ischemic heart disease63%
  • Arthritis58%
  • Anxiety43%
  • Heart failure42%

Hospitals where Tazeen Ahmed works

Medicare's Facility Affiliation Data lists Tazeen Ahmed 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.

  • Covenant Medical CenterSaginaw, MI · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 230070
  • McLaren Bay RegionBay City, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230041
  • MyMichigan Medical Center MidlandMidland, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 230222
  • Saint Mary's Standish Community HospitalStandish, MI · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 231305
  • Tawas St Joseph HospitalTawas City, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230100

Practice locations

Addresses where Tazeen Ahmed is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tazeen Ahmed as a member of these groups (CMS data updated October 2, 2026).

  • Great Lakes Medical Center PLLC4 clinicians in the group
  • Tazeen Ahmed LLC4 clinicians in the group

Specialties

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Bay City

Clinicians with the same Medicare primary specialty in Bay City, MI — not a recommendation.

All internal medicine doctors in Bay City →

Other clinicians in Great Lakes Medical Center PLLC

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

Clinician information

CredentialMD
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1356370944
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