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DIANA LYNNE WILLIAMS FNP
NPI 1174025886
Nurse Practitioner - Family in Los Alamitos, CA

Active since March 08, 2018PECOS EnrolledAccepts Medicare Assignment
4288 KATELLA AVE, LOS ALAMITOS, CA 90720(562) 256-8514(562) 296-8561 Get Directions Write a Review

NPPES record last updated: April 5, 2018. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Diana Lynne Williams Fnp NPPES

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

DIANA LYNNE WILLIAMS FNP (NPI 1174025886) is an individual family provider in Los Alamitos, California, licensed in California (95008594) and active in the NPI registry since March 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1174025886
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDIANA LYNNE WILLIAMSCredential: FNP
Location Address4288 KATELLA AVELos Alamitos, CA 90720-3562
Mailing Address12923 Lefloss AveNorwalk, CA 90650-2548 · (562) 234-1834
Phone(562) 256-8514
Fax(562) 296-8561
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateMarch 8, 2018
Last NPPES UpdateApril 5, 2018
✔ NPI 1174025886 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in CA · 95008594
4288 KATELLA AVE, Los Alamitos, CA 90720
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Diana Lynne Williams Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113274366
PECOS Enrollment IDI20180719002177
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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 4

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

SEAN LEE NP
Nurse Practitioner (Family)
4288 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 296-8514
MS. VINITA R KOTHARI C-FNP
Nurse Practitioner (Family)
4288 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 548-2713
MARIA SAQUIC FNP-BC
Nurse Practitioner (Family)
4288 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 296-8514
MARICRUZ SUBER FNP-C
Nurse Practitioner (Family)
4288 KATELLA AVE
LOS ALAMITOS, CA 90720
Orange County (562) 296-8514

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 Diana Williams's NPI number?

The NPI number for Diana Williams is 1174025886. It was assigned to this individual provider in the NPPES registry on March 8, 2018.

Where is Diana Williams located?

Diana Williams practices at 4288 Katella Ave, Los Alamitos, CA 90720. The listed phone number is (562) 256-8514.

What is Diana Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Diana Williams enrolled in Medicare?

Yes. Diana Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Diana Williams was last updated on April 5, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.