Doctor profile · Federal record

Dr. Liam Sullivan, DO

Infectious Disease Physician (CMS: Infectious Disease) · Grand Rapids, MI

  • NPI 1619158359
  • Accepts Medicare
  • MIPS 93.8 / 100 · 2023
  • 19 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
230 Michigan St Ne, Suite 230
Grand Rapids, MI 495032550
(616) 774-2822
Mailing address
100 Michigan St Ne, Mc 845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
March 2, 2021
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Michigan #5101017233
Medicaid
MI #1619158359

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619158359. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
217
Distinct HCPCS
4
Medicare allowed
$23,901
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 88 85 $127
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 62 44 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 53 25 $117
99214 Established patient office or other outpatient visit, 30-39 minutes 14 11 $124

In context: peer comparison

Among 6 peers in Grand Rapids Infectious Disease Physician, average services per provider: 67. This provider delivers 3.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ferring Pharmaceuticals INC. 1 $18.46

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
155
Patients
0
Total drug cost
$10,438
Drug Type Claims Patients Total cost
Cefazolin Sodium Generic 41 0 $1,287
Vancomycin Hcl Generic 20 0 $2,760
Amoxicillin Generic 15 0 $217
Ceftriaxone (Ceftriaxone Sodium) Brand 15 0 $679
Doxycycline Hyclate Generic 15 0 $769
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 0 $758
Meropenem Generic 12 0 $3,076
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 12 0 $134
Doxycycline Monohydrate Generic 11 0 $758

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Liam Sullivan's medical specialty?
Dr. Liam Sullivan practices Infectious Disease Physician in Grand Rapids, MI.
Where does Dr. Liam Sullivan practice?
Dr. Liam Sullivan practices at 230 Michigan St Ne, Grand Rapids, MI 495032550. Office phone: 6167742822.
What is Dr. Liam Sullivan's NPI?
Dr. Liam Sullivan's National Provider Identifier (NPI) is 1619158359, issued by NPPES.
Does Dr. Liam Sullivan accept Medicare assignment?
Yes. Dr. Liam Sullivan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Liam Sullivan commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.