Eric Spak, MD
NPI 1053525170 · Diagnostic Radiology Physician · Tamuning, GU
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eric Spak, MD is a Diagnostic Radiology Physician provider in Tamuning, GU (NPI 1053525170).
Provider details
- NPI number
- 1053525170
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- M1501 (GU)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,248 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 280 | $40 |
| X-Ray of Chest, 1 View71045 | 180 | $9 |
| X-Ray of Chest, 2 Views71046 | 131 | $25 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 108 | $88 |
| X-Ray of Knee, 3 Views73562 | 76 | $35 |
| Ct Scan of Chest Without Contrast71250 | 69 | $52 |
| Limited Ultrasound Scan of Abdomen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-09
- Last updated
- 2017-02-21
Frequently asked questions
- What is Eric Spak's NPI number?
- Eric Spak's National Provider Identifier (NPI) is 1053525170, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eric Spak's specialty?
- Eric Spak is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Eric Spak located?
- Eric Spak's practice location on file with NPPES is 301 Frank H Cushing Way # 3a, Tamuning, GU 96913-4067.
- What is Eric Spak's phone number?
- The practice phone number listed in the NPPES registry for Eric Spak is (671) 687-6544.
- Does Eric Spak accept Medicare?
- Eric Spak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eric Spak's NPI active?
- Yes — Eric Spak's NPI (1053525170) is active in the NPPES registry as of the last update on 2017-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.