DR. WILLIAM ALEXANDER EDWARDS M.D.
NPI 1700169570
Anesthesiology in San Francisco, CA

Active since September 27, 2011PECOS EnrolledAccepts Medicare Assignment
1440 GOLDEN GATE AVE, APT 304, SAN FRANCISCO, CA 94115(215) 906-9838 Get Directions Write a Review

NPPES record last updated: September 16, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 16, 2025, Dec 17, 2021 (2 updates tracked since 2021).

About Dr. William Alexander Edwards M.d. NPPES

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

DR. WILLIAM ALEXANDER EDWARDS M.D. (NPI 1700169570) is an individual anesthesiology provider in San Francisco, California, licensed in Nevada (26635) and active in the NPI registry since September 2011. He is enrolled in Medicare PECOS and is a graduate of Washington University School Of Medicine (2011).

NPPES Registry Identity

NPI1700169570
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. WILLIAM ALEXANDER EDWARDSCredential: M.D.
Location Address1440 GOLDEN GATE AVE, APT 304San Francisco, CA 94115-4660
Mailing Address1440 Golden Gate Ave, Apt 304San Francisco, CA 94115-4660 · (215) 906-9838
Sole ProprietorNo
Medical School CMSWashington University School Of MedicineGraduated 2011
Enumeration DateSeptember 27, 2011
Last NPPES UpdateSeptember 16, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2025
✔ NPI 1700169570 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NV · 26635
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1440 GOLDEN GATE AVE, San Francisco, CA 94115

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. William Alexander Edwards 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 ID4284865809
PECOS Enrollment IDI20170824000503, I20250930003353
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 William Edwards reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
2238 GEARY
San Francisco, CA 94116
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
Internal Medicine
2101 N WATERMAN AVE
San Bernardino, CA 92404
  • Reassigned Medicare billing, California enrollment
  • 1,216 clinicians in this Medicare group
Anesthesiology
7160 RAFAEL RIVERA WAY STE 210
Las Vegas, NV 89113
  • Reassigned Medicare billing, Nevada enrollment
  • 203 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.

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 Edwards's NPI number?

The NPI number for William Edwards is 1700169570. It was assigned to this individual provider in the NPPES registry on September 27, 2011.

Where is William Edwards located?

William Edwards practices at 1440 Golden Gate Ave Apt 304, San Francisco, CA 94115. The listed phone number is (215) 906-9838.

What is William Edwards's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is William Edwards enrolled in Medicare?

Yes. William Edwards 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 William Edwards's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Edwards reassigns Medicare benefits to 3 organizations: Permanente Medical Group Inc (San Francisco, CA), Inpatient Specialists Of California, PC (San Bernardino, CA) and Fielden Hanson Isaacs Miyada Robison Yeh Ltd (Las Vegas, NV). 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 William Edwards'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 William Edwards was last updated on September 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.