Doctor profile · Federal record

Dr. Laurin Koskinen, MD

Internal Medicine Physician · Portland, ME

  • NPI 1356456636
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1145 Brighton Ave
Portland, ME 041021025
(781) 480-1976
fax (781) 480-1981
Mailing address
451 Andover St, Ste 205
North Andover, MA 018455079

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
March 3, 2021
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Maine #017207

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1356456636. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
202
Distinct HCPCS
2
Medicare allowed
$13,977
HCPCS Description Services Patients Avg allowed
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 166 66 $75
99347 Residence visit for established patient with straightforward medical decision making, per day, if using time, at least 15 minutes 36 28 $44

In context: peer comparison

Among 43 peers in Portland Internal Medicine Physician, average services per provider: 61. This provider delivers 3.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,020
Patients
117
Total drug cost
$49,211
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 170 28 $2,185
Sertraline Hcl Generic 135 20 $2,002
Eliquis (Apixaban) Brand 98 0 $36,549
Atorvastatin Calcium Generic 89 17 $1,309
Furosemide Generic 71 17 $665
Amlodipine Besylate Generic 64 11 $836
Donepezil Hcl Generic 61 11 $690
Lisinopril Generic 61 13 $495
Omeprazole Generic 55 0 $898
Losartan Potassium Generic 42 0 $671

Frequently asked questions

Auto-generated from federal data
What is Dr. Laurin Koskinen's medical specialty?
Dr. Laurin Koskinen practices Internal Medicine Physician in Portland, ME.
Where does Dr. Laurin Koskinen practice?
Dr. Laurin Koskinen practices at 1145 Brighton Ave, Portland, ME 041021025. Office phone: 7814801976.
What is Dr. Laurin Koskinen's NPI?
Dr. Laurin Koskinen's National Provider Identifier (NPI) is 1356456636, issued by NPPES.
What procedures does Dr. Laurin Koskinen commonly perform?
Top Medicare-reported procedures in 2023: Residence visit for established patient with low level of medical decision making (HCPCS 99348); Residence visit for established patient with straightforward medical decision making (HCPCS 99347). Source: CMS Medicare Physician & Other Practitioners file.