KATHRYN DOLORES SIMMS (NP) – Nurse Practitioner, NPI 1447770359

KATHRYN DOLORES SIMMS (NP) is a healthcare provider. based in Castro valley, California. specializing in NURSE PRACTITIONER. They hold the professional credentials NP. They hold a License No. 95016506 (CA). The NPI Number for KATHRYN DOLORES SIMMS (NP) is 1447770359

Main info

Female
9 Years Of Experience
Accepts Medicare Assignment
Name
KATHRYN DOLORES SIMMS (NP)
NPI
1447770359
Phone
(415) 885-3882
Address
20055 LAKE CHABOT RD STE 130
Enumeration Date
21 June 2017
Last Update Date
1 February 2024

Doctor Profile

Medical School Name
OTHER
Secondary Phone
6507234000
Graduation Year
2017 (9 years ago)
PAC ID
7214273382
Group Practice PAC ID
6709797491
Professional Enrollment ID
I20210520000162
Address ID
CA943052200ST300XXDRXX300
Telehealth
Yes
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience50
Completeness75
Years active:8State licenses:1Digital endpointsOther names

16,538 NURSE PRACTITIONER in CA

Provider Addresses for KATHRYN DOLORES SIMMS (NP)

  • 20055 LAKE CHABOT RD STE 130

    CASTRO VALLEY, CA 945465332

    Phone: (415) 885-3882

    Type: Mailing

  • Fort Washington Avenue, Hawthorne, Mount Pleasant, Town of Mount Pleasant, Westchester, New York, 10532, United States

    NEW YORK, NY 100323729

    Phone: (415) 867-5714

    Type: Location

  • 4, West 168th Street, The Bronx, Bronx County, New York, 10452, United States

    NEW YORK, NY 100323725

    Phone: (415) 867-5714

    Type: Mailing

  • 5725 W LAS POSITAS BLVD STE 100A

    PLEASANTON, CA 945884054

    Phone: (925) 734-8130

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 15 Open Payments records for all available years, with a total value of $422.

Total Amount is formed as General ($422) + Research ($0) + Ownership ($0) = $422.

Last reported payment date: 2024-06-18 • Largest payer in this snapshot: Daiichi Sankyo Inc. ($98).

Total Amount

$422

General + Research + Ownership

Payments

15

Total payment records

General Amount

$422

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-06-18

Latest reported date

View all Open Payments →|Open Payments Risk Radar →

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: 2021-05-20

PECOS data refreshed: 2026-06-15

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
I20210520000162INurse 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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
J1439Injection, ferric carboxymaltose, 1 mg26,90025$0
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)18,90025$0
J1453Injection, fosaprepitant, 1 mg3,75011$0
J0897Injection, denosumab, 1 mg2,88021$0
J1100Injection, dexamethasone sodium phosphate, 1 mg1,04547$0
View full utilization report →

Insurance plans in this area (ZIP 94546)

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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: 6709797491View full group profile
NameSpecialtyState
O B S T E T R I C S/ G Y N E C O L O G YTX
-CA
-CA
-CA
O B S T E T R I C S/ G Y N E C O L O G YCA
Plastic And Reconstructive SurgeryCA
Pain Management, AnesthesiologyCA
A N E S T H E S I O L O G YCA
Sleep MedicineFL
A N E S T H E S I O L O G YMA

Reviews

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Frequently asked questions

Where can patients find KATHRYN DOLORES SIMMS (NP)'s NPI?
You can confirm KATHRYN DOLORES SIMMS (NP) with NPI 1447770359; it appears in the national provider directory.
Is KATHRYN DOLORES SIMMS (NP) currently active in the NPI registry?
CMS-published data lists KATHRYN DOLORES SIMMS (NP) as an active registrant.
What field does KATHRYN DOLORES SIMMS (NP) work in?
You can think of KATHRYN DOLORES SIMMS (NP) as practicing within Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Does KATHRYN DOLORES SIMMS (NP) practice in California?
You will see Castro Valley, California on file for KATHRYN DOLORES SIMMS (NP) alongside any extra practice locations.
How can I contact KATHRYN DOLORES SIMMS (NP)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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