Erik Loken
NPI 1568817187 · Diagnostic Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Erik Loken is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1568817187).
Provider details
- NPI number
- 1568817187
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,731 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Mri Scan of Brain Before and After Contrast70553 | 342 | $112 |
| Ct Scan Head Or Brain Without Contrast70450 | 271 | $41 |
| Mri Scan of Brain Before and After Contrast70553 | 126 | $114 |
| Mri Scan of Brain Without Contrast70551 | 92 | $72 |
| Ct Scan of Soft Tissue of Neck With Contrast70491 | 87 | $67 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 68 | $86 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-05-02
- Last updated
- 2022-07-11
- Certified
- 2022-07-11
Frequently asked questions
- What is Erik Loken's NPI number?
- Erik Loken's National Provider Identifier (NPI) is 1568817187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Erik Loken's specialty?
- Erik Loken is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Erik Loken located?
- Erik Loken's practice location on file with NPPES is 75 Francis Street, Boston, MA 02115.
- What is Erik Loken's phone number?
- The practice phone number listed in the NPPES registry for Erik Loken is (617) 732-5500.
- Does Erik Loken accept Medicare?
- Erik Loken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Erik Loken's NPI active?
- Yes — Erik Loken's NPI (1568817187) is active in the NPPES registry as of the last update on 2022-07-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.