James Roy Doyle, MD
Orthopaedic Hand Surgery Physician · St Helena, CA
James Roy Doyle, MD is an orthopaedic hand surgery physician with a practice address in St Helena, California, and NPI 1811085756, issued on Oct 10, 2006. Check the license (California A18570, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Roy Doyle
- Credential
- MD
- Primary taxonomy
- Orthopaedic Hand Surgery Physician 207XS0106X
- License number
- A18570 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1030 Main St, St Helena, CA 94574
- Phone
- (707) 968-0800
- Enumerated
- Oct 10, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (707) 968-0847
- Entity
- Type 1 · individual
Verify James Roy Doyle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A18570Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1 orthopaedic hand surgery physician records list a practice address in St Helena
They are 1 of the 13 NPPES records with a practice address in St Helena, and 288 orthopaedic hand surgery physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other orthopaedic hand surgery physician records in California
- Reid Abrams, MDSan Diego, CA1548202245
- Anna Acosta, M.D.Long Beach, CA1285933424
- Anthony Ahn, M.D.Manhattan Beach, CA1649282302
- Richard Ahn, M.D.Lakewood, CA1568809226
- Gregory Alberton, M.D.San Diego, CA1457310179
- Kareme Alder, MDRedwood City, CA1396322210
- Robert Allen, MDSacramento, CA1700876026
- Mohana Amirtharajah, M.D.San Francisco, CA1902014574
- Edwin Ashley, M.D.Beverly Hills, CA1417920919
- David Auerbach, M.D.Van Nuys, CA1851320352
Common questions
What is James Roy Doyle, MD's NPI number?
James Roy Doyle, MD's National Provider Identifier (NPI) is 1811085756, issued on Oct 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Roy Doyle, MD located?
The NPPES record lists a practice address at 1030 Main St, St Helena, CA, 94574. Phone: (707) 968-0800. Providers update this record themselves, so call before visiting.
How can I verify James Roy Doyle, MD's license?
NPPES lists California license number A18570, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.