Katie Fields, PA-C
NPI 1619217601 · Physician Assistant · Stanford, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katie Fields, PA-C is a Physician Assistant provider in Stanford, CA (NPI 1619217601).
Provider details
- NPI number
- 1619217601
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- PA22785 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- 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.
$1,045 across 10 records (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
Additional practice locations (2)
- 1100 Van Ness AveSan Francisco, CA 94109-6978Phone: (415) 600-5780
- 400 Parnassus Ave # A311San Francisco, CA 94143-2202Phone: (866) 817-7463
Registry dates
- Enumerated
- 2013-02-27
- Last updated
- 2023-06-20
- Certified
- 2023-06-20
Frequently asked questions
- What is Katie Fields's NPI number?
- Katie Fields's National Provider Identifier (NPI) is 1619217601, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katie Fields's specialty?
- Katie Fields is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katie Fields located?
- Katie Fields's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Katie Fields's phone number?
- The practice phone number listed in the NPPES registry for Katie Fields is (650) 723-4000.
- Does Katie Fields accept Medicare?
- Katie Fields is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katie Fields's NPI active?
- Yes — Katie Fields's NPI (1619217601) is active in the NPPES registry as of the last update on 2023-06-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.