MS. LISA A WILLIAMSON (RN, NP) – Obstetrics & Gynecology Nurse Practitioner, NPI 1841571908

Obstetrics & Gynecology Nurse Practitioner

MS. LISA A WILLIAMSON (RN, NP) is a healthcare provider. based in Whittier, California. specializing in Obstetrics & Gynecology Nurse Practitioner. They hold the professional credentials RN, NP. They hold a License No. 20466 (CA). The NPI Number for MS. LISA A WILLIAMSON (RN, NP) is 1841571908

Main info

Female

Name

MS. LISA A WILLIAMSON (RN, NP)

NPI

1841571908

Phone

(562) 945-3707

Address

14350 WHITTIER BLVD

Enumeration Date

2 September 2011

Last Update Date

2 September 2011

Data current as of

20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience42

Completeness75

Years active:14State licenses:1Digital endpointsOther names

Provider Addresses for MS. LISA A WILLIAMSON (RN, NP)

14350 WHITTIER BLVD
WHITTIER, CA 906052138
Phone: (562) 945-3707
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: 2017-10-04

PECOS data refreshed: 2026-05-27

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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 90605)

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Reviews

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Frequently asked questions

How do payers reference MS. LISA A WILLIAMSON (RN, NP)?

For MS. LISA A WILLIAMSON (RN, NP), use NPI 1841571908 as the unique 10-digit identifier.

Is there an active status for MS. LISA A WILLIAMSON (RN, NP)?

For scheduling context, MS. LISA A WILLIAMSON (RN, NP) is shown as active in the registry.

What expertise is attributed to MS. LISA A WILLIAMSON (RN, NP)?

MS. LISA A WILLIAMSON (RN, NP)'s specialty line reads Obstetrics & Gynecology Nurse Practitioner. Clinical services aligned with this taxonomy classification.

Where in California is MS. LISA A WILLIAMSON (RN, NP) registered?

Use Whittier, California as the headline location for MS. LISA A WILLIAMSON (RN, NP) here.

Does inactive status remove historical data?

Historical rows can remain visible after status changes — read the dates carefully.