IndividualActive
Tracy Butler
NPI 1457407199 · Nurse Practitioner · San Mateo, CA
Tracy Butler is a Nurse Practitioner provider in San Mateo, CA (NPI 1457407199).
Provider details
- NPI number
- 1457407199
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- RN359302 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(90/100 index)
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
222 W 39th Ave
San Mateo, CA 94403-4364
Phone: (650) 573-2222
Street-level locationGet directions
Mailing address
503 Georgetown Ave
San Mateo, CA 94402-2253
Registry dates
- Enumerated
- 2007-01-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Tracy Butler's NPI number?
- Tracy Butler's National Provider Identifier (NPI) is 1457407199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tracy Butler's specialty?
- Tracy Butler is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Tracy Butler located?
- Tracy Butler's practice location on file with NPPES is 222 W 39th Ave, San Mateo, CA 94403-4364.
- What is Tracy Butler's phone number?
- The practice phone number listed in the NPPES registry for Tracy Butler is (650) 573-2222.
- Is Tracy Butler's NPI active?
- Yes — Tracy Butler's NPI (1457407199) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.