Humphrey Mansfield, MD
NPI 1538155841 · Diagnostic Radiology Physician · Oakland, CA
Humphrey Mansfield, MD is a Diagnostic Radiology Physician provider in Oakland, CA (NPI 1538155841).
Provider details
- NPI number
- 1538155841
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- G67455 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-09-22
- Last updated
- 2010-12-23
Frequently asked questions
- What is Humphrey Mansfield's NPI number?
- Humphrey Mansfield's National Provider Identifier (NPI) is 1538155841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Humphrey Mansfield's specialty?
- Humphrey Mansfield is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Humphrey Mansfield located?
- Humphrey Mansfield's practice location on file with NPPES is 411 30th St, Oakland, CA 94609-3310.
- What is Humphrey Mansfield's phone number?
- The practice phone number listed in the NPPES registry for Humphrey Mansfield is (925) 274-4950.
- Is Humphrey Mansfield's NPI active?
- Yes — Humphrey Mansfield's NPI (1538155841) is active in the NPPES registry as of the last update on 2010-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.