Danielle Kozak Joy, APNP
NPI 1538578059 · Nurse Practitioner · San Mateo, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Danielle Kozak Joy, APNP is a Nurse Practitioner provider in San Mateo, CA (NPI 1538578059).
Provider details
- NPI number
- 1538578059
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 5908-33 (WI)
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
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
9 documented practice locations
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
Additional practice locations (8)
- 8825 N 23rd Ave Ste 100Phoenix, AZ 85021-4148Phone: (650) 285-6927
- 2710 Gateway Oaks Dr Ste 150nSacramento, CA 95833-3502Phone: (650) 285-6927
- 1201 Hays StTallahassee, FL 32301-2699Phone: (650) 285-6927
- 801 Adlai Stevenson DrSpringfield, IL 62703-4261Phone: (650) 285-6927
- 50 W Broad St Ste 1330Columbus, OH 43215-3307Phone: (650) 285-6927
- 2595 Interstate Dr Ste 103Harrisburg, PA 17110-9378Phone: (650) 285-6927
- 8040 Excelsior Dr Ste 400Madison, WI 53717-2915Phone: (650) 285-6927
- 209 Washington St WCharleston, WV 25302-2348Phone: (650) 285-6927
Registry dates
- Enumerated
- 2014-08-08
- Last updated
- 2022-04-07
- Certified
- 2022-04-07
Frequently asked questions
- What is Danielle Kozak Joy's NPI number?
- Danielle Kozak Joy's National Provider Identifier (NPI) is 1538578059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Danielle Kozak Joy's specialty?
- Danielle Kozak Joy is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Danielle Kozak Joy located?
- Danielle Kozak Joy's practice location on file with NPPES is 951 Mariners Island Blvd Ste 300, San Mateo, CA 94404-1560.
- What is Danielle Kozak Joy's phone number?
- The practice phone number listed in the NPPES registry for Danielle Kozak Joy is (650) 285-6927.
- Does Danielle Kozak Joy accept Medicare?
- Danielle Kozak Joy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Danielle Kozak Joy's NPI active?
- Yes — Danielle Kozak Joy's NPI (1538578059) is active in the NPPES registry as of the last update on 2022-04-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.