Doctor profile · Federal record

Dr. Michael Hollandsworth, D.O.

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Internal Medicine Physician · Hospitalist Physician · Student in an Organized Health Care Education/Training Program · Saginaw, MI

  • NPI 1841511532
  • Accepts Medicare
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1447 N Harrison St
Saginaw, MI 486024727
(989) 583-4220
fax (989) 583-4287

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
April 13, 2023
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Michigan #5101022852 · Illinois #036137647

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841511532. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
428
Distinct HCPCS
6
Medicare allowed
$69,576
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 241 123 $203
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 109 93 $114
36556 Insertion of non-tunneled central venous tube for infusion (5 years or older) 36 30 $82
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $126
31500 Emergent insertion of breathing tube into windpipe using an endoscope 13 13 $138
99239 Hospital discharge day management, more than 30 minutes 11 11 $110

In context: peer comparison

Among 5 peers in this city , average services per provider: 74. This provider delivers 5.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABIOMED 1 $19.89

By nature of payment

Food and Beverage
$20

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Hollandsworth's medical specialty?
Dr. Michael Hollandsworth practices Critical Care Medicine (Internal Medicine) Physician in Saginaw, MI.
Where does Dr. Michael Hollandsworth practice?
Dr. Michael Hollandsworth practices at 1447 N Harrison St, Saginaw, MI 486024727. Office phone: 9895834220.
What is Dr. Michael Hollandsworth's NPI?
Dr. Michael Hollandsworth's National Provider Identifier (NPI) is 1841511532, issued by NPPES.
Does Dr. Michael Hollandsworth accept Medicare assignment?
Yes. Dr. Michael Hollandsworth accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Hollandsworth commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Insertion of non-tunneled central venous tube for infusion (5 years or older) (HCPCS 36556). Source: CMS Medicare Physician & Other Practitioners file.