KRISTIN GAYLE COSNER NP
NPI 1821623745
Nurse Practitioner - Pediatrics in San Francisco, CA

Active since March 11, 2020PECOS Enrolled
1975 4TH ST FL 6, SAN FRANCISCO, CA 94143(415) 476-3831 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 7, 2026, Feb 8, 2022, May 21, 2020 and 1 more (4 updates tracked since 2020).

About Kristin Gayle Cosner Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KRISTIN GAYLE COSNER NP (NPI 1821623745) is an individual pediatrics provider in San Francisco, California, licensed in California (95009964) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1821623745
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameKRISTIN GAYLE COSNERCredential: NP
Location Address1975 4TH ST FL 6San Francisco, CA 94143-2351
Mailing Address725 Welch RdPalo Alto, CA 94304-1601 · (650) 497-8000
Sole ProprietorNo
Enumeration DateMarch 11, 2020
Last NPPES UpdateAugust 7, 20264 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1821623745 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in CA · 95009964
Also ListedNurse PractitionerTaxonomy 363L00000X · License 95009964 (CA)
1975 4TH ST FL 6, San Francisco, CA 94143

Secondary Practice Locations 2

Location 11000 Welch Rd Ste 301Palo Alto, CA 94304-1811 · Phone (650) 723-2335
Location 2725 Welch RdPalo Alto, CA 94304-1601 · Phone (650) 497-8000

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kristin Gayle Cosner Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Kristin Cosner reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Surgery
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 761 clinicians in this Medicare group
Pediatrics
505 PARNASSUS AVE
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 1,159 clinicians in this Medicare group
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
Multi-Specialty
1805 JAMES L REDMAN PKWY STE 201
Plant City, FL 33563
  • Reassigned Medicare billing, California enrollment
  • 7 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner
1975 4TH ST FL 6
SAN FRANCISCO, CA 94143
Pediatrics
1975 4TH ST FL 6
SAN FRANCISCO, CA 94143

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Kristin Cosner's NPI number?

The NPI number for Kristin Cosner is 1821623745. It was assigned to this individual provider in the NPPES registry on March 11, 2020.

Where is Kristin Cosner located?

Kristin Cosner practices at 1975 4th St Fl 6, San Francisco, CA 94143. The listed phone number is (415) 476-3831.

What is Kristin Cosner's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Kristin Cosner enrolled in Medicare?

Yes. Kristin Cosner is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Kristin Cosner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Cosner reassigns Medicare benefits to 5 organizations: Ucsf Dept Of Surgery (San Francisco, CA), Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ctd Network LLC (Plant City, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kristin Cosner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kristin Cosner was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.