Gary Chiswick, P.A.
NPI 1174964001 · Medical Physician Assistant · San Marcos, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Chiswick, P.A. is a Medical Physician Assistant provider in San Marcos, CA (NPI 1174964001).
Provider details
- NPI number
- 1174964001
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- PA22667 (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 tenure33% of score
12 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-07-08
- Last updated
- 2024-03-12
- Certified
- 2024-03-12
Frequently asked questions
- What is Gary Chiswick's NPI number?
- Gary Chiswick's National Provider Identifier (NPI) is 1174964001, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Chiswick's specialty?
- Gary Chiswick is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gary Chiswick located?
- Gary Chiswick's practice location on file with NPPES is 150 Valpreda Rd, San Marcos, CA 92069-2973.
- What is Gary Chiswick's phone number?
- The practice phone number listed in the NPPES registry for Gary Chiswick is (760) 736-6780.
- Does Gary Chiswick accept Medicare?
- Gary Chiswick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Chiswick's NPI active?
- Yes — Gary Chiswick's NPI (1174964001) is active in the NPPES registry as of the last update on 2024-03-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.