Michael Welby Bigelow, MD
NPI 1164474649ActiveIndividual· Anesthesiology· Daly City, CA
Anesthesiology (MD) in Daly City, California, trained at Medical College of Wisconsin (class of 1998). Medicare paid $26,435 for services to 137 patients in 2024. Bayer Healthcare Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $81.24 in all, mostly food and beverage.
Overview
| NPI | 1164474649 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | A69495 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 175 across 42 procedure codes |
| Paid by Medicare | $26,435 |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Anesthesiology |
Medical group
- Anesthesia Care Consultants IncSanta Cruz, CA · 18 clinicians
Hospital affiliation
- Ahmc Seton Medical CenterDaly City, CA
Industry payments (Open Payments)
- 2025$81.24 · 3 payments from 3 companies
- 2024$23.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $31.16 | 1 |
| Chiesi USA, Inc. | $28.05 | 1 |
| Abbott Laboratories | $22.03 | 1 |
What the 2025 payments were for
- Food and Beverage$81.24 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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