James T. Jaing, MD
Allergy & Immunology Physician · Modesto, CA
James T. Jaing, MD is an allergy & immunology physician with a practice address in Modesto, California, and NPI 1164500997, issued on Nov 1, 2006. Check the license (California A66564, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James T. Jaing
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- A66564 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4601 Dale RD, Modesto, CA 95356
- Phone
- (209) 557-1000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060315000728); accepts Medicare assignment
- Medical or professional school
- Indiana University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 444 in California → Look up another NPI →
Also registered at 4601 Dale RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Angela Abe, OPTOptometrist1336108885
- Seth Ackuayi, MDHospitalist Physician1154409985
- Laith Al-Najjar, D.O.Emergency Medicine Physician1932801768
- Zaid Alazawi, DOStudent in an Organized Health Care Education/Training Program1295583102
- Brandi AlbrittonCertified Respiratory Therapist1326503541
- Hilda Alcala, MDAnesthesiology Physician1467644427
Verify James T. Jaing in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66564Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average allergy & immunology physician in 2024
542 Medicare Part D claims for 397 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Adacel Tdap272 claims
- Azelastine Hcl51 claims
- Ipratropium Bromide36 claims
- Fluticasone Propionate28 claims
- Shingrix22 claims
- Dupixent Pen13 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
- Permanente Medical Group IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James T. Jaing among 444 allergy & immunology physician records in California
James T. Jaing, MD is one of 444 allergy & immunology physician records with a practice address in California. 79% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 281 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in California
There are 444 allergy & immunology physician records in California.
All 444 in California → Every provider in Modesto → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Dai Park, M.D.Modesto, CA 953551376744896
- Richard Davis, M.D.Modesto, CA 953501942396429
- Mohan ReddyMerced, CA 953481184722183
- Juline Caraballo Fonseca, M.D.Santa Rosa, CA 954011992146948
- Maria Petrick, M.D.Santa Rosa, CA 954011396743605
- Christine Royer, M.D.Santa Rosa, CA 954011730566613
- Albert Haas, MDSanta Rosa, CA 954031447334511
- Kenneth Kurtz, MDSanta Rosa, CA 954031396829370
Common questions
What is James T. Jaing, MD's NPI number?
James T. Jaing, MD's National Provider Identifier (NPI) is 1164500997, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James T. Jaing, MD located?
The NPPES record lists a practice address at 4601 Dale RD, Modesto, CA, 95356. Phone: (209) 557-1000. Providers update this record themselves, so call before visiting.
How can I verify James T. Jaing, MD's license?
NPPES lists California license number A66564, 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 T. Jaing, MD prescribe under Medicare Part D?
In 2024, James T. Jaing, MD had 542 Medicare Part D claims for 397 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.