Doctor profile · Federal record

Dr. Mark Grohman, D.O.

Hospitalist Physician (CMS: Family Practice) · Hospitalist Physician · Biddeford, ME

  • NPI 1538393541
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
One Medical Center Drive
Biddeford, ME 04005
(207) 283-7000
fax (207) 283-7275
Mailing address
P.O. Box 626, One Medical Center Drive
Biddeford, ME 04005

Credentials & registration

NPPES · NUCC
NPI registered
May 2009 — 17 yrs on file
Profile last updated
September 6, 2013
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (2)
Maine #DO2294 · Maine #2294

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538393541. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
185
Distinct HCPCS
4
Medicare allowed
$19,285
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 74 43 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 55 33 $115
99239 Hospital discharge day management, more than 30 minutes 38 37 $111
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 18 18 $168

In context: peer comparison

Among 6 peers in this city , average services per provider: 102. This provider delivers 1.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Grohman's medical specialty?
Dr. Mark Grohman practices Hospitalist Physician in Biddeford, ME.
Where does Dr. Mark Grohman practice?
Dr. Mark Grohman practices at One Medical Center Drive, Biddeford, ME 04005. Office phone: 2072837000.
What is Dr. Mark Grohman's NPI?
Dr. Mark Grohman's National Provider Identifier (NPI) is 1538393541, issued by NPPES.
Does Dr. Mark Grohman accept Medicare assignment?
Yes. Dr. Mark Grohman accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Grohman commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.