Doctor profile · Federal record

Dr. John Sisson, MD

Internal Medicine Physician (CMS: Internal Medicine) · Grand Rapids, MI

  • NPI 1548780596
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
275 Michigan St Ne
Grand Rapids, MI 495032531
(616) 391-3777
fax (616) 391-3755
Mailing address
100 Michigan St Ne # Mc845
Grand Rapids, MI 495032560

Credentials & registration

NPPES · NUCC
NPI registered
June 2017 — 9 yrs on file
Profile last updated
January 13, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301112397

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1548780596. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
173
Distinct HCPCS
4
Medicare allowed
$15,177
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 98 80 $84
99213 Established patient office or other outpatient visit, 20-29 minutes 26 26 $66
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 26 26 $88
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $127

In context: peer comparison

Among 105 peers in Grand Rapids Internal Medicine Physician, average services per provider: 82. This provider delivers 2.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
946
Patients
327
Total drug cost
$21,913
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 184 65 $4,698
Levothyroxine Sodium Generic 79 28 $1,757
Amlodipine Besylate Generic 76 30 $1,229
Losartan Potassium Generic 76 28 $1,780
Omeprazole Generic 66 22 $1,857
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 60 19 $983
Lisinopril Generic 58 22 $684
Gabapentin Generic 51 21 $1,140
Metformin Hcl Generic 48 19 $681
Pantoprazole Sodium Generic 47 18 $1,370

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Sisson's medical specialty?
Dr. John Sisson practices Internal Medicine Physician in Grand Rapids, MI.
Where does Dr. John Sisson practice?
Dr. John Sisson practices at 275 Michigan St Ne, Grand Rapids, MI 495032531. Office phone: 6163913777.
What is Dr. John Sisson's NPI?
Dr. John Sisson's National Provider Identifier (NPI) is 1548780596, issued by NPPES.
Does Dr. John Sisson accept Medicare assignment?
Yes. Dr. John Sisson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Sisson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.