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MRS. ANDREA ELIZABETH WILLIAMS MD
NPI 1396733135
Family Medicine in Oakland, CA

Active since October 06, 2005PECOS EnrolledAccepts Medicare Assignment
91.04/100
CMS Quality Rating
1411 E 31ST ST, OAKLAND, CA 94602(510) 437-8500(510) 437-6567 Get Directions Write a Review

NPPES record last updated: April 16, 2014. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Andrea Elizabeth Williams Md NPPES

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

MRS. ANDREA ELIZABETH WILLIAMS MD (NPI 1396733135) is an individual family medicine provider in Oakland, California, licensed in California (G68057) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1988).

NPPES Registry Identity

NPI1396733135
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameMRS. ANDREA ELIZABETH WILLIAMSCredential: MD
Location Address1411 E 31ST STOakland, CA 94602-1018
Mailing Address1411 E 31st StOakland, CA 94602-1018 · (510) 437-8500 · Fax (510) 437-6567
Phone(510) 437-8500
Fax(510) 437-6567
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1988
Enumeration DateOctober 6, 2005
Last NPPES UpdateApril 16, 2014
✔ NPI 1396733135 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · G68057
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1411 E 31ST ST, Oakland, CA 94602
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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

Mrs. Andrea Elizabeth Williams Md 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 ID5698861052
PECOS Enrollment IDI20071016000200
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 94602 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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.

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.

91.04/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.13
Promoting Interoperability100
Improvement Activities40
Cost64.1

Other Providers at the Same Location NPPES 20

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

MS. YVONNE DIANE ESCARSEGA MSW
Social Worker (Clinical)
1411 E 31ST ST
OAKLAND, CA 94602
Alameda County (510) 437-4373
MR. JUAN CASILLAS JR. NP
Nurse Practitioner (Family)
1411 E 31ST ST
OAKLAND, CA 94602
Alameda County (510) 437-4800
SADHANA SAMANT MD
Obstetrics & Gynecology
1411 E 31ST ST, OAKCARE MEDICAL GROUP
OAKLAND, CA 94602
Alameda County (510) 437-4323
PATRICIA SCOTT MEYER PA
Clinical Nurse Specialist (Emergency)
1411 E 31ST ST
OAKLAND, CA 94602
Alameda County (209) 342-2300
NATHALIE BALOGUN MSW MPH
Social Worker (Clinical)
1411 E 31ST ST, ALAMEDA COUNTY MEDICAL CENTER - MEDICAL SOCAL WORK SRVC
OAKLAND, CA 94602
Alameda County (510) 437-4949
CYNTHIA MARIE ROWDEN RN
Registered Nurse (Ambulatory Care)
1411 E 31ST ST
OAKLAND, CA 94602
Alameda County (510) 437-4373
DR. KAYLA ENRIQUEZ MD
Emergency Medicine
1411 E 31ST ST
OAKLAND, CA 94602
Alameda County (510) 437-4564
DR. CHERYL LIN PARK M.D.
Surgery
1411 E 31ST ST
OAKLAND, CA 94602
Alameda County (510) 437-4743

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 Andrea Williams's NPI number?

The NPI number for Andrea Williams is 1396733135. It was assigned to this individual provider in the NPPES registry on October 6, 2005.

Where is Andrea Williams located?

Andrea Williams practices at 1411 E 31st St, Oakland, CA 94602. The listed phone number is (510) 437-8500.

What is Andrea Williams's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Andrea Williams enrolled in Medicare?

Yes. Andrea 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 Andrea Williams was last updated on April 16, 2014. NPI Profile syncs with the weekly NPPES data releases published by CMS.