James Michael Liang, D.O.
General Practice Physician · Camp Pendleton, CA
James Michael Liang, D.O. is a general practice physician with a practice address in Camp Pendleton, California, and NPI 1043263387, issued on May 18, 2006. Check the license (California 20A 9278, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Michael Liang
- Credential
- D.O.
- Primary taxonomy
- General Practice Physician 208D00000X
- License number
- 20A 9278 CA
Self-reported in NPPES; status is on the state search - Practice location
- Box 555191, Camp Pendleton, CA 92055
- Phone
- (760) 763-1515
- Enumerated
- May 18, 2006
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20211221002142); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at Box 555191
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Manolito Arciaga, IDCIndependent Duty Corpsman1649439894
- Joseph Koshiol, RNCertified Registered Nurse Anesthetist1477538346
Verify James Michael Liang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A 9278Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average general practice physician in 2024
201 Medicare Part D claims for 149 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin-Clavulanate Potass25 claims
- Nitrofurantoin Mono-Macro21 claims
- Prednisone21 claims
- Albuterol Sulfate Hfa14 claims
- Doxycycline Hyclate14 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.
Industry payments in 2024: $211.23
9 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Duke University Affiliated Physicians, Inc.Durham, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Michael Liang among 1,956 general practice physician records in California
James Michael Liang, D.O. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated2004 · median 1994 among the 520 with a school on file
- Record last updated2026 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 general practice physician records list a practice address in Camp Pendleton
They are 38 of the 695 NPPES records with a practice address in Camp Pendleton, and 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Camp Pendleton → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Meera Cheerharan, MDCamp Pendleton, CA 920551932442035
- John Chen, MDCamp Pendleton, CA 920551861953713
- Mona Colianno, D.O.Camp Pendleton, CA 920551124292701
- Rachel Daniell, MDCamp Pendleton, CA 920551992265425
- Charles Farwell, M.D.Camp Pendleton, CA 920551811009079
- Jillian Martin, M.D.Camp Pendleton, CA 920551194726943
- Nicholis Morales, MDOceanside, CA 920551104386929
- Erica Morgenweck, DOOceanside, CA 920551194350504
Common questions
What is James Michael Liang, D.O.'s NPI number?
James Michael Liang, D.O.'s National Provider Identifier (NPI) is 1043263387, issued on May 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Michael Liang, D.O. located?
The NPPES record lists a practice address at Box 555191, Camp Pendleton, CA, 92055. Phone: (760) 763-1515. Providers update this record themselves, so call before visiting.
How can I verify James Michael Liang, D.O.'s license?
NPPES lists California license number 20A 9278, 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 Michael Liang, D.O. prescribe under Medicare Part D?
In 2024, James Michael Liang, D.O. had 201 Medicare Part D claims for 149 beneficiaries; the average among general practice physician prescribers was 3,030. 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.