Doctor profile · Federal record

Dr. Richard Riemersma, M.D.

Specialist (CMS: Pathology) · Bangor, ME

  • NPI 1952321507
  • Accepts Medicare
  • MIPS 90.5 / 100 · 2023
  • 44 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
417 State St Ste 439
Bangor, ME 044016635
(207) 561-2400
fax (207) 990-4848

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
174400000X — NUCC code
State license (1)
Maine #012353

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952321507. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
960
Distinct HCPCS
10
Medicare allowed
$37,598
HCPCS Description Services Patients Avg allowed
88305 Pathology examination of tissue using a microscope, intermediate complexity 186 125 $35
88341 Special stained specimen slides to examine tissue, each additional procedure 167 36 $27
88307 Pathology examination of tissue using a microscope, moderately high complexity 121 76 $78
88304 Pathology examination of tissue using a microscope, moderately low complexity 69 68 $11
88360 Microscopic genetic analysis of tumor, manual 58 27 $40
88311 Preparation of tissue for examination by removing any calcium present 53 42 $12
88342 Special stained specimen slides to examine tissue, initial procedure 49 42 $33
88331 Pathology examination of specimen during surgery, first tissue block 39 20 $59
88377 Microscopic genetic analysis of tissue, manual, each additional multiplex stain procedure 34 15 $61
88344 Special stained specimen slides to examine tissue, each multiplex procedure 32 29 $37

In context: peer comparison

Among 11 peers in this city , average services per provider: 172. This provider delivers 5.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 1 $18.42

By nature of payment

Food and Beverage
$18

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Richard Riemersma's medical specialty?
Dr. Richard Riemersma practices Specialist in Bangor, ME.
Where does Dr. Richard Riemersma practice?
Dr. Richard Riemersma practices at 417 State St Ste 439, Bangor, ME 044016635. Office phone: 2075612400.
What is Dr. Richard Riemersma's NPI?
Dr. Richard Riemersma's National Provider Identifier (NPI) is 1952321507, issued by NPPES.
Does Dr. Richard Riemersma accept Medicare assignment?
Yes. Dr. Richard Riemersma accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Richard Riemersma commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Special stained specimen slides to examine tissue, each additional procedure (HCPCS 88341); Pathology examination of tissue using a microscope, moderately high complexity (HCPCS 88307). Source: CMS Medicare Physician & Other Practitioners file.