A-1 Service Center
NPI 1164725420 · Durable Medical Equipment & Medical Supplies · Oakland, CA
A-1 Service Center is a Durable Medical Equipment & Medical Supplies organization in Oakland, CA (NPI 1164725420).
Provider details
- NPI number
- 1164725420
- Entity type
- Organization
- Primary specialty
- Durable Medical Equipment & Medical SuppliesSuppliers
- Organization subpart
- No
- Authorized official
- Al Rumph, Owner(510) 839-2935
Specialties & taxonomies
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-12-08
- Last updated
- 2010-12-08
Frequently asked questions
- What is A-1 Service Center's NPI number?
- A-1 Service Center's National Provider Identifier (NPI) is 1164725420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is A-1 Service Center?
- A-1 Service Center is classified in the NPPES registry as Durable Medical Equipment & Medical Supplies (Suppliers).
- Where is A-1 Service Center located?
- A-1 Service Center's practice location on file with NPPES is 45 Grand Ave, Oakland, CA 94612-3727.
- What is A-1 Service Center's phone number?
- The practice phone number listed in the NPPES registry for A-1 Service Center is (510) 839-2935.
- Who is the authorized official for A-1 Service Center?
- The authorized official listed on A-1 Service Center's NPPES record is Al Rumph, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is A-1 Service Center's NPI active?
- Yes — A-1 Service Center's NPI (1164725420) is active in the NPPES registry as of the last update on 2010-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.