DR. KELLY DALE WILLIAMS M.D.
NPI 1275795874
Obstetrics & Gynecology - Obstetrics in Torrance, CA

Active since June 26, 2008PECOS EnrolledAccepts Medicare Assignment
90.81/100
CMS Quality Rating
4201 TORRANCE BLVD STE 600, TORRANCE, CA 90503(310) 316-4373(310) 316-1291 Get Directions Write a Review

NPPES record last updated: November 13, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 13, 2024, Aug 7, 2019 (2 updates tracked since 2019).

About Dr. Kelly Dale Williams M.d. NPPES

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

DR. KELLY DALE WILLIAMS M.D. (NPI 1275795874) is an individual obstetrics provider in Torrance, California, licensed in California (A110923) and active in the NPI registry since June 2008. She is enrolled in Medicare PECOS, maintains a secondary practice location in Whittier, and is a graduate of University Of Arizona College Of Medicine (2006).

NPPES Registry Identity

NPI1275795874
Entity TypeIndividualFemale
Primary Taxonomy207VX0000X
Provider Legal NameDR. KELLY DALE WILLIAMSCredential: M.D.
Location Address4201 TORRANCE BLVD STE 600Torrance, CA 90503
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Fax(310) 316-1291
Sole ProprietorYes
Medical School CMSUniversity Of Arizona College Of MedicineGraduated 2006
Enumeration DateJune 26, 2008
Last NPPES UpdateNovember 13, 20242 updates tracked since enumeration
NPPES CertifiedNovember 13, 2024
✔ NPI 1275795874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & Gynecology · ObstetricsAllopathic & Osteopathic Physicians
Taxonomy Code207VX0000X
License✔ Licensed in CA · A110923
Definition
A physician who specializes in diagnosis, treatment, and management of patients with obstetric conditions. Source: National Uniform Claim Committee
Also ListedObstetrics & GynecologyTaxonomy 207V00000X · License 046259 (AZ), A110923 (CA)
4201 TORRANCE BLVD STE 600, Torrance, CA 90503

Secondary Practice Location 1

Location 112462 Putnam St, Suite 303Whittier, CA 90602-1048 · Phone (562) 789-5440 · Fax (562) 789-4440

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Kelly Dale Williams M.d. 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 ID7214183805
PECOS Enrollment IDI20150828001002
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 Reassignments

3

Medicare enrollment records show Kelly Williams reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Neurology
11303 W WASHINGTON BLVD, SUITE 100
Los Angeles, CA 90066
  • Reassigned Medicare billing, California enrollment
  • 103 clinicians in this Medicare group
Family Medicine
4476 TWEEDY BLVD
South Gate, CA 90280
  • Reassigned Medicare billing, California enrollment
  • 840 clinicians in this Medicare group
Obstetrics & Gynecology
200 MEDICAL PLAZA, SUITE 430
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 92 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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
24 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90503 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality85.79
Promoting Interoperability100
Improvement Activities40
Cost80.84

Other Providers at the Same Location NPPES 7

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

Obstetrics & Gynecology
4201 TORRANCE BLVD STE 600
TORRANCE, CA 90503
Obstetrics & Gynecology
4201 TORRANCE BLVD STE 600
TORRANCE, CA 90503
Obstetrics & Gynecology
4201 TORRANCE BLVD STE 600
TORRANCE, CA 90503
Nurse Practitioner (Women's Health)
4201 TORRANCE BLVD STE 600
TORRANCE, CA 90503
Obstetrics & Gynecology
4201 TORRANCE BLVD STE 600
TORRANCE, CA 90503
Marriage & Family Therapist
4201 TORRANCE BLVD STE 600
TORRANCE, CA 90503
Obstetrics & Gynecology
4201 TORRANCE BLVD STE 600
TORRANCE, CA 90503

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 Kelly Williams's NPI number?

The NPI number for Kelly Williams is 1275795874. It was assigned to this individual provider in the NPPES registry on June 26, 2008.

Where is Kelly Williams located?

Kelly Williams practices at 4201 Torrance Blvd Ste 600, Torrance, CA 90503. The listed phone number is (310) 316-4373.

What is Kelly Williams's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Obstetrics, with taxonomy code 207VX0000X.

Is Kelly Williams enrolled in Medicare?

Yes. Kelly 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.

Which organizations bill Medicare for Kelly Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kelly Williams reassigns Medicare benefits to 3 organizations: Regents Of The University Of California Los Angeles (Los Angeles, CA), Pih Health Physicians (South Gate, CA) and The Regents Of The University Of California (Los Angeles, CA). Each 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 Kelly Williams'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 Kelly Williams was last updated on November 13, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.