John Kopchak, PA-C
NPI 1376699181 · Medical Physician Assistant · San Francisco, CA
John Kopchak, PA-C is a Medical Physician Assistant provider in San Francisco, CA (NPI 1376699181).
Provider details
- NPI number
- 1376699181
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- PA12753 (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
19 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
- 2007-01-25
- Last updated
- 2010-09-03
Frequently asked questions
- What is John Kopchak's NPI number?
- John Kopchak's National Provider Identifier (NPI) is 1376699181, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kopchak's specialty?
- John Kopchak is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Kopchak located?
- John Kopchak's practice location on file with NPPES is 45 Castro St, San Francisco, CA 94114-1010.
- What is John Kopchak's phone number?
- The practice phone number listed in the NPPES registry for John Kopchak is (415) 551-9758.
- Is John Kopchak's NPI active?
- Yes — John Kopchak's NPI (1376699181) is active in the NPPES registry as of the last update on 2010-09-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.