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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MICHAEL WELBY BIGELOW MD
NPI 1164474649
Anesthesiology in Daly City, CA

Active since May 16, 2006PECOS Enrolled
1900 SULLIVAN AVE, DALY CITY, CA 94015(650) 992-4000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Michael Welby Bigelow Md NPPES

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

MICHAEL WELBY BIGELOW MD (NPI 1164474649) is an individual anesthesiology provider in Daly City, California, licensed in California (A69495) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Wisconsin (1998).

NPPES Registry Identity

NPI1164474649
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameMICHAEL WELBY BIGELOWCredential: MD
Location Address1900 SULLIVAN AVEDaly City, CA 94015-2200
Mailing AddressPo Box 7793San Francisco, CA 94120-7793 · (503) 372-2740 · Fax (503) 372-2754
Phone(650) 992-4000
Sole ProprietorNo
Medical School CMSMedical College Of WisconsinGraduated 1998
Enumeration DateMay 16, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1164474649 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in CA · A69495
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.
1900 SULLIVAN AVE, Daly City, CA 94015
Open in Google Maps ↗

Other Identifiers 1

Medicaid00A694950CA

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

Michael Welby Bigelow 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 ID5294761821
PECOS Enrollment IDI20050714000487
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.

Areas of Expertise CMS Part B claims 2

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.

Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
48 services47 patients
Ultrasonic guidance for needle placement 76942
Ultrasonic guidance for needle placement is a technique where sound waves create images that help accurately position the needle during procedures. This method ensures precision, minimizes discomfort, and increases safety.
14 services14 patients

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.

HUI MING YANG MD
Internal Medicine
1900 SULLIVAN AVE, LOWER LEVEL
DALY CITY, CA 94015
San Mateo County (415) 680-4135
AHMC SETON MEDICAL CENTER LLC
General Acute Care Hospital
1900 SULLIVAN AVE
DALY CITY, CA 94015
San Mateo County (650) 992-4000
DR. MARY FINNEGAN M.D.
Emergency Medicine
1900 SULLIVAN AVE
DALY CITY, CA 94015
San Mateo County (650) 992-4000
NORTHERN CALIFORNIA RADIATION THERAPISTS & ONCOLOGISTS MEDICAL GROUP
Radiology (Radiation Oncology)
1900 SULLIVAN AVE, RADIATION ONCOLOGY DEPT
DALY CITY, CA 94015
San Mateo County (209) 342-2300
DR. CARLO JERICHO S MAGTIBAY MD
Internal Medicine
1900 SULLIVAN AVE, LOWER LEVEL
DALY CITY, CA 94015
San Mateo County (415) 680-4135
SETON EMERGENCY PHYSICIANS INC
Emergency Medicine
1900 SULLIVAN AVE
DALY CITY, CA 94015
San Mateo County (650) 992-4000
ADELE MAKOW M.D
Emergency Medicine
1900 SULLIVAN AVE
DALY CITY, CA 94015
San Mateo County (415) 992-4000
TERESITA ARDONA ENRIQUEZ FNP
Nurse Practitioner (Family)
1900 SULLIVAN AVE
DALY CITY, CA 94015
San Mateo County (650) 992-4000

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 Michael Bigelow's NPI number?

The NPI number for Michael Bigelow is 1164474649. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Michael Bigelow located?

Michael Bigelow practices at 1900 Sullivan Ave, Daly City, CA 94015. The listed phone number is (650) 992-4000.

What is Michael Bigelow's specialty?

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

Is Michael Bigelow enrolled in Medicare?

Yes. Michael Bigelow 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 Michael Bigelow was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.