James Stirbl, MD
Family Medicine Physician · Costa Mesa, CA
James Stirbl, MD is a family medicine physician with a practice address in Costa Mesa, California, and NPI 1326131640, issued on Sep 30, 2006. Check the license (California A304810, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Stirbl
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- A304810 CA
A30481 CA
Self-reported in NPPES; status is on the state search - Practice location
- 700 W 19TH St, Costa Mesa, CA 92627
- Phone
- (949) 645-9334
- Enumerated
- Sep 30, 2006
- Record last updated
- Mar 6, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 700 W 19TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Donna BallNurse Practitioner1932255221
- Juliana Bartolo Salles NevesDentist1871339564
- Chanel Green, PA-CPhysician Assistant1235917196
- Tiffany LeMedical Physician Assistant1093891061
- Patricia MerchentNurse Practitioner1558799767
- Esther Navarro, PA-CPhysician Assistant1114737558
Verify James Stirbl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A304810Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
21 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
James Stirbl among 17,133 family medicine physician records in California
James Stirbl, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
56 family medicine physician records list a practice address in Costa Mesa
They are 56 of the 4,286 NPPES records with a practice address in Costa Mesa, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Costa Mesa → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Isaac Beshay, MDCosta Mesa, CA 926271962434241
- Ricardo Davalos, M.D.San Clemente, CA 926271609804749
- Miguel Deperio, M.D.Costa Mesa, CA 926271336320688
- Cecilia Dinh, D.O.Costa Mesa, CA 926271831500917
- Jeffrey Felgner, M.D.Costa Mesa, CA 926271790122497
- Eric Huang, M.D.Costa Mesa, CA 926271356515365
- John Lalonde, D.O.Costa Mesa, CA 926271942388186
- Jay Lee, MD, MPHCosta Mesa, CA 926271548201726
Common questions
What is James Stirbl, MD's NPI number?
James Stirbl, MD's National Provider Identifier (NPI) is 1326131640, issued on Sep 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Stirbl, MD located?
The NPPES record lists a practice address at 700 W 19TH St, Costa Mesa, CA, 92627. Phone: (949) 645-9334. Providers update this record themselves, so call before visiting.
How can I verify James Stirbl, MD's license?
NPPES lists California license number A304810, 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.
How much does James Stirbl, MD prescribe under Medicare Part D?
In 2024, James Stirbl, MD had 21 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. 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.