Doctor profile · Federal record

Dr. Zachary Ginsburg, D.O.

Hospitalist Physician (CMS: Internal Medicine) · Internal Medicine Physician · Internal Medicine Physician · Muskegon, MI

  • NPI 1649704495
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1500 E Sherman Blvd
Muskegon, MI 494441849
(231) 672-3883
Additional location
1150 E Sherman Blvd Ste 1100
Muskegon, MI 494444607
(231) 672-7800
fax (231) 672-6202
Mailing address
1560 E Sherman Blvd Ste 240
Muskegon, MI 494441854

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
April 23, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Michigan #5101025579 · Michigan #G521974636123

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649704495. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
468
Distinct HCPCS
5
Medicare allowed
$59,021
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 198 102 $77
99291 Critical care, first 30-74 minutes 94 42 $211
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 74 46 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 71 71 $169
99239 Hospital discharge day management, more than 30 minutes 31 31 $109

In context: peer comparison

Among 15 peers in Muskegon Hospitalist Physician, average services per provider: 86. This provider delivers 5.4× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$171
Transactions
5
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $85.93
Abbvie INC. 1 $30.89
Mylan Specialty L.P. 1 $20.00
E.R. Squibb & Sons, L.L.C. 1 $19.40
Merck Sharp & Dohme LLC 1 $15.11

By nature of payment

Food and Beverage
$171

Frequently asked questions

Auto-generated from federal data
What is Dr. Zachary Ginsburg's medical specialty?
Dr. Zachary Ginsburg practices Hospitalist Physician in Muskegon, MI.
Where does Dr. Zachary Ginsburg practice?
Dr. Zachary Ginsburg practices at 1500 E Sherman Blvd, Muskegon, MI 494441849. Office phone: 2316723883.
What is Dr. Zachary Ginsburg's NPI?
Dr. Zachary Ginsburg's National Provider Identifier (NPI) is 1649704495, issued by NPPES.
Does Dr. Zachary Ginsburg accept Medicare assignment?
Yes. Dr. Zachary Ginsburg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Zachary Ginsburg commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.