KATHARINE WILLCOXON (NP) – Acute Care Nurse Practitioner, NPI 1104351667

KATHARINE WILLCOXON (NP) is a healthcare provider. based in San francisco, California. specializing in NURSE PRACTITIONER. They hold the professional credentials NP. They hold a License No. 729075 (CA). The NPI Number for KATHARINE WILLCOXON (NP) is 1104351667

Main info

Female
Sole Proprietor
9 Years Of Experience
Accepts Medicare Assignment
Name
KATHARINE WILLCOXON (NP)
NPI
1104351667
Phone
(415) 353-1551
Address
400 PARNASSUS AVE # 116
Enumeration Date
21 April 2017
Last Update Date
2 October 2018

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4154761000
Graduation Year
2017 (9 years ago)
PAC ID
4486920618
Group Practice PAC ID
7719886373
Professional Enrollment ID
I20171016002506
Address ID
CA941432204SA505XXAVEX300
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience41
Completeness75
Years active:9State licenses:2Digital endpointsOther names

16,353 NURSE PRACTITIONER in CA

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Provider Addresses for KATHARINE WILLCOXON (NP)

  • 116, Parnassus Avenue, Cole Valley, San Francisco, California, 94117, United States

    SAN FRANCISCO, CA 941432202

    Phone: (415) 353-1551

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2017-10-16

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20171016002506INurse PractitionerCATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 94143)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7719886373View full group profile
NameSpecialtyState
General SurgeryCA
General SurgeryMD
Nurse PractitionerCA
Vascular SurgeryCA
Nurse PractitionerCA
General SurgeryCA
P O D I A T R YCA
Plastic And Reconstructive SurgeryPA
Colorectal Surgery (Proctology), General SurgeryCA
O B S T E T R I C S/ G Y N E C O L O G YCA

Reviews

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Frequently asked questions

Does KATHARINE WILLCOXON (NP) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — KATHARINE WILLCOXON (NP) uses 1104351667.
Is KATHARINE WILLCOXON (NP) listed as active for patients and plans?
The listing shows KATHARINE WILLCOXON (NP) as active in the NPI system.
What is KATHARINE WILLCOXON (NP) best known for clinically?
Directory data describes KATHARINE WILLCOXON (NP) with Acute Care Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Where should I expect KATHARINE WILLCOXON (NP) on a map?
Expect San Francisco, California as a primary anchor for KATHARINE WILLCOXON (NP) unless the record lists multiple sites.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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