Dr Brian F Topkis a Medical Group
NPI 1518129048 · Ph.D. Medical Genetics · Walnut Creek, CA
Dr Brian F Topkis a Medical Group is a Ph.D. Medical Genetics organization in Walnut Creek, CA (NPI 1518129048).
Provider details
- NPI number
- 1518129048
- Entity type
- Organization
- Primary specialty
- Ph.D. Medical GeneticsOther Service Providers
- Organization subpart
- No
- Authorized official
- Brian Topkis, Owner(925) 930-9663
- License
- A45480 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-06-26
- Last updated
- 2008-09-09
Frequently asked questions
- What is Dr Brian F Topkis a Medical Group's NPI number?
- Dr Brian F Topkis a Medical Group's National Provider Identifier (NPI) is 1518129048, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr Brian F Topkis a Medical Group?
- Dr Brian F Topkis a Medical Group is classified in the NPPES registry as Ph.D. Medical Genetics (Other Service Providers).
- Where is Dr Brian F Topkis a Medical Group located?
- Dr Brian F Topkis a Medical Group's practice location on file with NPPES is 2021 Mt Diablo Blvd #100, Walnut Creek, CA 94596.
- What is Dr Brian F Topkis a Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Dr Brian F Topkis a Medical Group is (925) 930-9978.
- Who is the authorized official for Dr Brian F Topkis a Medical Group?
- The authorized official listed on Dr Brian F Topkis a Medical Group's NPPES record is Brian Topkis, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr Brian F Topkis a Medical Group's NPI active?
- Yes — Dr Brian F Topkis a Medical Group's NPI (1518129048) is active in the NPPES registry as of the last update on 2008-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.