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DR. WILLIAM B. WILLIAMS MD
NPI 1073539086
Oral & Maxillofacial Surgery in Oakland, CA

Active since July 14, 2006Opted out of Medicare · through Apr 1, 2027
275 W MACARTHUR BLVD, OAKLAND, CA 94611(510) 752-1000(617) 724-8822 Get Directions Write a Review

NPPES record last updated: December 15, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William B. Williams Md NPPES

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

DR. WILLIAM B. WILLIAMS MD (NPI 1073539086) is an individual oral & maxillofacial surgery provider in Oakland, California, licensed in California (A117924) and active in the NPI registry since July 2006. He has opted out of Medicare through April 1, 2027.

NPPES Registry Identity

NPI1073539086
Entity TypeIndividualMale
Primary Taxonomy204E00000X
Provider Legal NameDR. WILLIAM B. WILLIAMSCredential: MD
Location Address275 W MACARTHUR BLVDOakland, CA 94611-5641
Mailing Address275 W Macarthur BlvdOakland, CA 94611-5641 · (510) 752-1000 · Fax (617) 726-2894
Phone(510) 752-1000
Fax(617) 724-8822
Sole ProprietorNo
Enumeration DateJuly 14, 2006
Last NPPES UpdateDecember 15, 2021
✔ NPI 1073539086 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOral & Maxillofacial SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code204E00000X
License✔ Licensed in CA · A117924
Definition
Oral and maxillofacial surgeons are trained to recognize and treat a wide spectrum of diseases, injuries and defects in the head, neck, face, jaws and the hard and soft tissues of the oral and maxillofacial region. They are also trained to administer anesthesia, and provide care in an office setting. They are trained to treat problems such as the extraction of wisdom teeth, misaligned jaws, tumors and cysts of the jaw and mouth, and to perform dental implant surgery.
275 W MACARTHUR BLVD, Oakland, CA 94611
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. William B. Williams Md has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from April 1, 2025 through April 1, 2027.

Opt-Out Effective DateApril 1, 2025
Opt-Out In Effect ThroughApril 1, 2027Opt-out affidavits renew automatically every two years unless cancelled

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.

DR. ANNA C. MORGAN MD
Specialist
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (510) 752-1000
DR. TRANG H. LA MD
Radiology (Radiation Oncology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (510) 752-1000
DR. AMIN MATIN M.D., M.P.H.
Radiology (Diagnostic Radiology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (925) 295-5758
SUCHETA KORWAR MD
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (510) 752-1000
MR. MATTHEW GABRIELSON D.P.T.
Physical Therapist (Orthopedic)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (510) 752-6221
MALORIE HACKER MD
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (510) 752-1000
RENEE L. PERRY DO
Obstetrics & Gynecology
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (510) 752-1000
HERPRIT KAUR MAHAL MD
Hospitalist
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Alameda County (510) 752-1000

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 William Williams's NPI number?

The NPI number for William Williams is 1073539086. It was assigned to this individual provider in the NPPES registry on July 14, 2006.

Where is William Williams located?

William Williams practices at 275 W Macarthur Blvd, Oakland, CA 94611. The listed phone number is (510) 752-1000.

What is William Williams's specialty?

The primary specialty registered for this NPI is Oral & Maxillofacial Surgery with taxonomy code 204E00000X.

Is William Williams enrolled in Medicare?

No. William Williams has opted out of Medicare through April 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for William Williams was last updated on December 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.