Jason Douglas, MD
Hospitalist Physician · La Jolla, CA
Jason Douglas, MD is a hospitalist physician with a practice address in La Jolla, California, and NPI 1639152044, issued on Nov 21, 2005. Check the license (California C54005, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jason Douglas
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- C54005 CA
047736 GA
Self-reported in NPPES; status is on the state search - Practice location
- 9850 Genesee Ave Ste 900, La Jolla, CA 92037
- Phone
- (858) 626-7780
- Enumerated
- Nov 21, 2005
- Record last updated
- Aug 30, 2022
- Medicare enrollment
- Enrolled (PECOS I20220217002685); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 9850 Genesee Ave Ste 900
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine Challender, MD, MPHInternal Medicine Physician1336567866
- Krystal Hirayama, MDHospitalist Physician1568164812
- Pamela Lam, D.O.Internal Medicine Physician1235540964
- Rami Michael, MDInternal Medicine Physician1467871673
- Christopher Rice, MDInternal Medicine Physician1154909687
- Nicholas Schmidt, MDInternal Medicine Physician1316527435
Verify Jason Douglas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C54005Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% fewer Medicare Part D claims than the average hospitalist physician in 2024
259 Medicare Part D claims for 106 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 21 claims were for opioids.
Most prescribed
- Cefuroxime16 claims
- Amoxicillin-Clavulanate Potass11 claims
- Furosemide11 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.
Bills Medicare through one group practice
- Ximed Hospitalists, Inc.La Jolla, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jason Douglas among 3,099 hospitalist physician records in California
Jason Douglas, MD is one of 3,099 hospitalist physician records with a practice address in California. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 98% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1998 · median 2010 among the 2,505 with a school on file
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
66 hospitalist physician records list a practice address in La Jolla
They are 66 of the 3,648 NPPES records with a practice address in La Jolla, and 3,099 hospitalist physician records in California.
All 3,099 in California → Every provider in La Jolla → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Duc Do, M.D.La Jolla, CA 920371811006851
- Dan Dworsky, M.D.La Jolla, CA 920371114993631
- Liesbet Joris-Quinton, M.D.La Jolla, CA 920371770542987
- Neil Kalra, M.D.La Jolla, CA 920371699925784
- Mark Kyle, M.D.La Jolla, CA 920371154301646
- Diane McNally, MDLa Jolla, CA 920371982861357
- Laura Nicholson, M.D.La Jolla, CA 920371023060845
- William Ring, M.D.La Jolla, CA 920371407811003
Common questions
What is Jason Douglas, MD's NPI number?
Jason Douglas, MD's National Provider Identifier (NPI) is 1639152044, issued on Nov 21, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jason Douglas, MD located?
The NPPES record lists a practice address at 9850 Genesee Ave Ste 900, La Jolla, CA, 92037. Phone: (858) 626-7780. Providers update this record themselves, so call before visiting.
How can I verify Jason Douglas, MD's license?
NPPES lists California license number C54005, 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 Jason Douglas, MD prescribe under Medicare Part D?
In 2024, Jason Douglas, MD had 259 Medicare Part D claims for 106 beneficiaries; the average among hospitalist physician prescribers was 521. 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.