Doctor profile · Federal record

Dr. Marina Kim, D.O.

Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Portland, ME

  • NPI 1508200049
  • Accepts Medicare
  • 13 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
161 Marginal Way
Portland, ME 041012438
(207) 773-7964
fax (207) 773-9073
Additional location
119 Belmont St
Worcester, MA 016052903
(508) 334-3068
Additional location
21 Eastern Ave
Worcester, MA 016053094
(508) 856-8350
Show 1 more location
Additional location
55 Lake Ave N
Worcester, MA 016550002
(508) 334-3068

Credentials & registration

NPPES · NUCC
NPI registered
April 2013 — 13 yrs on file
Profile last updated
November 28, 2022
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Maine #DO3164 · Massachusetts #295170

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508200049. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
97
Distinct HCPCS
6
Medicare allowed
$10,488
HCPCS Description Services Patients Avg allowed
45380 Biopsy of large bowel using a flexible endoscope 24 24 $125
G0500 Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito 22 22 $5
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 16 16 $98
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 13 13 $129
45380 Biopsy of large bowel using a flexible endoscope 11 11 $136
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 11 11 $238

In context: peer comparison

Among 14 peers in Portland Gastroenterology Physician, average services per provider: 56. This provider delivers 1.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$4,619
Transactions
43
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Olympus Corporation of the Americas 30 $2,684.21
Ovesco Endoscopy USA, INC. 1 $641.12
Medtronic, INC. 5 $529.00
Boston Scientific Corporation 4 $496.14
Cook Medical LLC 1 $125.48
Ardelyx, INC. 1 $122.09
Ipsen Biopharmaceuticals, INC 1 $21.20

By nature of payment

Travel and Lodging
$3,936
Food and Beverage
$683

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
80
Total drug cost
$1,292
Drug Type Claims Patients Total cost
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 47 47 $683
Gavilyte-C (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 34 33 $608

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marina Kim's medical specialty?
Dr. Marina Kim practices Gastroenterology Physician in Portland, ME.
Where does Dr. Marina Kim practice?
Dr. Marina Kim practices at 161 Marginal Way, Portland, ME 041012438. Office phone: 2077737964.
What is Dr. Marina Kim's NPI?
Dr. Marina Kim's National Provider Identifier (NPI) is 1508200049, issued by NPPES.
Does Dr. Marina Kim accept Medicare assignment?
Yes. Dr. Marina Kim accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marina Kim commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (HCPCS G0500); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.