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Family Practice

Mai S. Vang, MD

Works at hospitals in Minneapolis, MN · Saint Paul, MN · Minnesota

Summary

Dr. Mai S. Vang, MD is a family doctor at 440 Elm St E, Annandale, MN 55302. Phone: (320) 682-5225. Accepts Medicare assignment. In 2024, Mai S. Vang had 205 Original Medicare patients and 1,208 services. NPI 1588837579. 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: Family doctor (Medicare lists Family Practice)
  • Address: 440 Elm St E, Annandale, MN 55302 · Directions
  • Phone: (320) 682‑5225
  • Medicare: Accepts Medicare assignment
  • Hospitals: Abbott Northwestern Hospital, Allina United Hospital
  • Group practice: Allina Health System
  • Medical school: University Of Minnesota Medical School · graduated 2008 (18 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mai S. Vang, 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 Mai S. Vang accept Medicare assignment?
Yes. Medicare's clinician data says Mai S. Vang 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 Mai S. Vang see?
In 2024, CMS data shows 205 Original Medicare patients and 1,208 services for Mai S. Vang. This counts Original Medicare only and measures volume, not quality.
What is Mai S. Vang's NPI number?
1588837579. 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 Mai S. Vang, 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 patients205
Services billed to Medicare1,208
Different services or procedures124
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)146 services
  2. Insertion of needle into vein for collection of blood sample (36415)120 services
  3. Blood test, basic group of blood chemicals (calcium, total) (80048)56 services
  4. Hemoglobin a1c level (83036)55 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)54 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 cholesterol63%
  • High blood pressure59%
  • Arthritis40%
  • Anxiety31%
  • Ischemic heart disease27%
  • Depression26%

Hospitals where Mai S. Vang works

Medicare's Facility Affiliation Data lists Mai S. Vang 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 Mai S. Vang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mai S. Vang as a member of this group (CMS data updated October 2, 2026).

  • Allina Health System3,842 clinicians in the group

Specialties

Find other Family Practice doctors in Minnesota →

Other family doctors in Annandale

Clinicians with the same Medicare primary specialty in Annandale, MN — not a recommendation.

All family doctors in Annandale →

Other clinicians in Allina Health System

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

Clinician information

CredentialMD
Medical schoolUniversity Of Minnesota Medical School
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1588837579
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