Doctor profile · Federal record

Dr. Erik Loken

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Student in an Organized Health Care Education/Training Program · Boston, MA

  • NPI 1568817187
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
75 Francis Street
Boston, MA 02115
(617) 732-5500
Mailing address
1250 E Marshall St, Box 980509
Richmond, VA 232985051

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
July 11, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Massachusetts #292923

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568817187. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,272
Distinct HCPCS
10
Medicare allowed
$178,222
HCPCS Description Services Patients Avg allowed
A9585 Injection, gadobutrol, 0.1 ml 4,188 50 $0
70553 Mri scan of brain before and after contrast 377 365 $116
70450 Ct scan head or brain without contrast 314 280 $42
70553 Mri scan of brain before and after contrast 168 166 $123
70551 Mri scan of brain without contrast 110 110 $74
70491 Ct scan of soft tissue of neck with contrast 100 95 $69
70496 Ct scan of blood vessels of head with contrast 84 79 $88
70498 Ct scan of blood vessels of neck with contrast 69 68 $85
72158 Mri scan of lower spinal canal before and after contrast 66 66 $111
70544 Mri scan of blood vessels of head without contrast 65 64 $59

In context: peer comparison

Among 231 peers in this city , average services per provider: 259. This provider delivers 24× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Erik Loken's medical specialty?
Dr. Erik Loken practices Diagnostic Radiology Physician in Boston, MA.
Where does Dr. Erik Loken practice?
Dr. Erik Loken practices at 75 Francis Street, Boston, MA 02115. Office phone: 6177325500.
What is Dr. Erik Loken's NPI?
Dr. Erik Loken's National Provider Identifier (NPI) is 1568817187, issued by NPPES.
Does Dr. Erik Loken accept Medicare assignment?
Yes. Dr. Erik Loken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erik Loken commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadobutrol, 0.1 ml (HCPCS A9585); Mri scan of brain before and after contrast (HCPCS 70553); Ct scan head or brain without contrast (HCPCS 70450). Source: CMS Medicare Physician & Other Practitioners file.