Doctor profile · Federal record

Dr. Justin Grischkan, MD

Internal Medicine Physician · Internal Medicine Physician · Rochester, NY

  • NPI 1407346646
  • MIPS 85.5 / 100 · 2023
  • 8 yrs on file
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
601 Elmwood Ave.
Rochester, NY 146420001
(585) 275-4912
fax (585) 276-2144
Mailing address
601 Elmwood Ave Box MED
Rochester, NY 146420001

Credentials & registration

NPPES · NUCC
NPI registered
May 2018 — 8 yrs on file
Profile last updated
July 31, 2023
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
New York #320788 · Pennsylvania #MD474505

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407346646. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
20
Distinct HCPCS
1
Medicare allowed
$2,386
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 20 11 $119

In context: peer comparison

Among 151 peers in Rochester Internal Medicine Physician, average services per provider: 74. This provider delivers 0.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Justin Grischkan's medical specialty?
Dr. Justin Grischkan practices Internal Medicine Physician in Rochester, NY.
Where does Dr. Justin Grischkan practice?
Dr. Justin Grischkan practices at 601 Elmwood Ave., Rochester, NY 146420001. Office phone: 5852754912.
What is Dr. Justin Grischkan's NPI?
Dr. Justin Grischkan's National Provider Identifier (NPI) is 1407346646, issued by NPPES.
What procedures does Dr. Justin Grischkan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.