Clifford Porter, PAC
NPI 1801268164 · Physician Assistant · Walnut Creek, CA
Clifford Porter, PAC is a Physician Assistant provider in Walnut Creek, CA (NPI 1801268164).
Provider details
- NPI number
- 1801268164
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA52949 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 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
- 2015-10-27
- Last updated
- 2016-11-21
Frequently asked questions
- What is Clifford Porter's NPI number?
- Clifford Porter's National Provider Identifier (NPI) is 1801268164, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Clifford Porter's specialty?
- Clifford Porter is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Clifford Porter located?
- Clifford Porter's practice location on file with NPPES is 1791 Castle Hill Rd, Walnut Creek, CA 94595-2312.
- What is Clifford Porter's phone number?
- The practice phone number listed in the NPPES registry for Clifford Porter is (925) 286-7525.
- Is Clifford Porter's NPI active?
- Yes — Clifford Porter's NPI (1801268164) is active in the NPPES registry as of the last update on 2016-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.