IndividualActive
James Amster, M.D.
NPI 1366491623 · Neuroradiology Physician · Signal Hill, CA
Provider details
- NPI number
- 1366491623
- Entity type
- Individual
- Primary specialty
- Neuroradiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- G49317 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
2708 E Willow St
Signal Hill, CA 90755-2217
Phone: (562) 216-5120
Fax: (562) 216-5121
Street-level locationGet directions
Mailing address
2708 E Willow St
Signal Hill, CA 90755-2217
Registry dates
- Enumerated
- 2006-05-06
- Last updated
- 2007-07-08
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.