John Daniel Cowan MD Ltd
John Daniel Cowan MD Ltd is a healthcare organization registered as Anesthesiology Physician in Irvine, CA, holding Type 2 (organization) NPI 1184894933 since 2008. The authorized official on file is John Cowan, President.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1184894933 |
|---|---|
| Entity type | Organization (Type 2) |
| Legal business name | John Daniel Cowan MD Ltd |
| Practice address | 5 HOLLAND STE 101, Irvine, CA, 92618 |
| Phone | 9495882199 |
| Fax | 9495882199 |
| Enumeration date | 2008-03-07 |
| Last updated in NPPES | 2008-03-07 |
Authorized official
| Name | John Cowan |
|---|---|
| Title | President |
| Phone | 7608727788 |
Taxonomy & classification
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 207L00000X | Anesthesiology Physician | Primary | C50218 | CA |
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00C502180 | Medicaid | CA | — |
Copy-ready billing details
Provider: John Daniel Cowan MD Ltd NPI: 1184894933 Taxonomy: 207L00000X (Anesthesiology Physician) Address: 5 HOLLAND STE 101, Irvine, CA, 92618
Providers at this address
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1427251099 | Marybeth Bewersdorf | Individual | Pain Medicine (Anesthesiology) Physician | Irvine, CA |
| 1366625360 | Guardian Ambulatory Anesthesia Services | Organization | Pain Medicine (Anesthesiology) Physician | Irvine, CA |
| 1023281995 | Niguel Anesthesia | Organization | Anesthesiology Physician | Irvine, CA |
| 1255504270 | Los Angeles Anesthesia Medical Group | Organization | Pain Medicine (Anesthesiology) Physician | Irvine, CA |
| 1801044078 | Bray Plastic Surgery Medical Center Inc | Organization | Ambulatory Surgical Clinic/Center | Irvine, CA |
| 1760633648 | Nu Wave Eswt | Organization | Early Intervention Provider Agency | Irvine, CA |
| 1275787442 | Napa Valley Anesthesia of the Crowns A Prof Med Corp | Organization | Pain Medicine (Anesthesiology) Physician | Irvine, CA |
| 1962737635 | MD Advance Inc | Organization | Anesthesiology Physician | Irvine, CA |
Verify this record
Cross-check NPI 1184894933 against the authoritative CMS record: view John Daniel Cowan MD Ltd on the official NPPES registry .
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty. Read the full guide or validate an NPI number.
Frequently asked questions
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Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2008-03-07.