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Obstetrics/Gynecology

Joanne J. Vicari Block, MD

Works at hospitals in Chelsea, MI · Ann Arbor, MI · Michigan

Summary

Dr. Joanne J. Vicari Block, MD is an OB-GYN at 44428 Woodward Ave, Suite 102, Pontiac, MI 48341. Phone: (734) 712-8700. Accepts Medicare assignment. In 2024, Joanne J. Vicari Block had 74 Original Medicare patients and 151 services. NPI 1023057932. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 44428 Woodward Ave, Suite 102, Pontiac, MI 48341 · Directions (1 more location)
  • Phone: (734) 712‑8700
  • Medicare: Accepts Medicare assignment
  • Hospitals: Chelsea Hospital, Trinity Health Ann Arbor Hospital
  • Group practice: Iha Health Services Corporation
  • Medical school: Wayne State University School Of Medicine · graduated 1998 (28 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Joanne J. Vicari Block, 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 Joanne J. Vicari Block accept Medicare assignment?
Yes. Medicare's clinician data says Joanne J. Vicari Block 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 Joanne J. Vicari Block see?
In 2024, CMS data shows 74 Original Medicare patients and 151 services for Joanne J. Vicari Block. This counts Original Medicare only and measures volume, not quality.
What is Joanne J. Vicari Block's NPI number?
1023057932. 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 Joanne J. Vicari Block, 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 patients74
Services billed to Medicare151
Different services or procedures23
Participating Medicare providerYes
Average age of these patients69

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)27 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)22 services
  3. Pelvic exam (99459)20 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)13 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 cholesterol62%
  • High blood pressure51%
  • Arthritis41%
  • Depression30%
  • Anxiety27%
  • Osteoporosis26%

Hospitals where Joanne J. Vicari Block works

Medicare's Facility Affiliation Data lists Joanne J. Vicari Block 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.

  • Chelsea HospitalChelsea, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230259
  • Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230156

Practice locations

Addresses where Joanne J. Vicari Block is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Joanne J. Vicari Block as a member of this group (CMS data updated October 2, 2026).

  • Iha Health Services Corporation1,168 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Michigan →

Other OB-GYNs in Pontiac

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

All OB-GYNs in Pontiac →

Other clinicians in Iha Health Services Corporation

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year1998 (28 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023057932
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