MICHAEL WELBY BIGELOW (MD) – Anesthesiology Physician, NPI 1164474649
Anesthesiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
6,371 ANESTHESIOLOGY in CA
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Provider Addresses for MICHAEL WELBY BIGELOW (MD)
San Francisco Post Office, 1300, Evans Avenue, Bayview District, San Francisco, California, 94188, United States
SAN FRANCISCO, CA 941207793
Phone: (503) 372-2740
Fax: (503) 372-2754
Type: Mailing
Seton Medical Center, 1900, Sullivan Avenue, Daly City, San Mateo County, California, 94015, United States
DALY CITY, CA 940152200
Phone: (650) 992-4000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $104.
Total Amount is formed as General ($104) + Research ($0) + Ownership ($0) = $104.
Last reported payment date: 2024-03-08 • Largest payer in this snapshot: Abbott Laboratories ($61).
Total Amount
$104
General + Research + Ownership
Payments
4
Total payment records
General Amount
$104
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-03-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Abbott Laboratories | $61 |
| Merck Sharp & Dohme LLC | $43 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2005-07-14
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20050714000487 | I | Anesthesiology | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00142 | Anesthesia for lens surgery | 73 | 61 | $0 |
| 76942 | Ultrasonic guidance for needle placement | 13 | 13 | $0 |
| 00731 | Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 11 | 11 | $0 |
Insurance plans in this area (ZIP 94120)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | OR | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA | |
| - | CA | |
| - | CA | |
| A N E S T H E S I O L O G Y | CA | |
| Anesthesiology, Interventional Pain Management | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | CA | |
| A N E S T H E S I O L O G Y | WA |
Reviews
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