FLORENCE GANTNER ZINK CNM, NP
NPI 1578874889
Nurse Practitioner in San Francisco, CA

Active since July 01, 2010PECOS Enrolled
ONE DANIEL BURNHAM CT, SUITE 230C, SAN FRANCISCO, CA 94109(415) 202-1276(415) 202-1282 Get Directions Write a Review

NPPES record last updated: February 11, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Florence Gantner Zink Cnm, Np NPPES

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

FLORENCE GANTNER ZINK CNM, NP (NPI 1578874889) is an individual nurse practitioner in San Francisco, California, licensed in California (17646) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578874889
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameFLORENCE GANTNER ZINKCredential: CNM, NP
Location AddressONE DANIEL BURNHAM CT, SUITE 230CSan Francisco, CA 94109
Mailing AddressOne Daniel Burnham Ct, Suite 230cSan Francisco, CA 94109 · (415) 202-1276 · Fax (415) 202-1282
Fax(415) 202-1282
Sole ProprietorYes
Enumeration DateJuly 1, 2010
Last NPPES UpdateFebruary 11, 2022
✔ NPI 1578874889 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 17646
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Also ListedRegistered NurseTaxonomy 163W00000X · License 578282 (CA)
Also ListedAdvanced Practice MidwifeTaxonomy 367A00000X · License 1789 (CA)
ONE DANIEL BURNHAM CT, San Francisco, CA 94109

Other Names 1

Other Name (5)Florence Grokine Gantner

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Florence Gantner Zink Cnm, 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 Reassignment

Medicare enrollment records show Florence Zink reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 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 94109 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

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

Internal Medicine
ONE DANIEL BURNHAM CT
SAN FRANCISCO, CA 94109

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 Florence Zink's NPI number?

The NPI number for Florence Zink is 1578874889. It was assigned to this individual provider in the NPPES registry on July 1, 2010. The provider is also known as Florence Grokine Gantner.

Where is Florence Zink located?

Florence Zink practices at One Daniel Burnham Ct Suite 230C, San Francisco, CA 94109. The listed phone number is (415) 202-1276.

What is Florence Zink's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Florence Zink enrolled in Medicare?

Yes. Florence Zink is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Florence Zink's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Florence Zink reassigns Medicare benefits to Permanente Medical Group Inc (San Francisco, CA). The 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 Florence Zink'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 Florence Zink was last updated on February 11, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.