Registry data as of Aug 27, 2026

Jiancheng Sun, M.D.

Physician Assistant · Bakersfield, CA

Jiancheng Sun, M.D. is a physician assistant with a practice address in Bakersfield, California, and NPI 1245430131, issued on Jul 19, 2007. Check the license (California PA20579, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1245430131
Name
Jiancheng Sun
Credential
M.D.
Primary taxonomy
Physician Assistant 363A00000X
License number
PA20579 CA
Self-reported in NPPES; status is on the state search
Practice location
4580 California Ave, Bakersfield, CA 93309
Phone
(661) 327-4411
Enumerated
Jul 19, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 4580 California Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ali Banihashemi, M.D.Ophthalmology Physician1891803326
  2. Lisa Banks, D.P.M.Podiatrist1992945885
  3. Jason Barca, PHARMDAmbulatory Care Pharmacist1558838078
  4. Rodney Beaty, PA-CPhysician Assistant1497747596
  5. Suzanne Bryan, PA-CPhysician Assistant1780686139
  6. Jeffrey Chen, D.O.Internal Medicine Physician1952749186

Verify Jiancheng Sun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA20579
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

40% fewer Medicare Part D claims than the average physician assistant in 2024

498 Medicare Part D claims for 282 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D.

  1. Jiancheng Sun498
  2. Specialty average832

Most prescribed

  1. Azithromycin100 claims
  2. Doxycycline Hyclate40 claims
  3. Albuterol Sulfate Hfa33 claims
  4. Amoxicillin-Clavulanate Potass28 claims
  5. Sulfamethoxazole-Trimethoprim26 claims
  6. Ibuprofen21 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.

One hospital or facility affiliation

  1. San Joaquin Valley Health Group IncBakersfield, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

162 physician assistant records list a Bakersfield practice address

They are 162 of the 11,539 NPPES records with a Bakersfield practice address, and 13,861 physician assistant records in California.

Other physician assistant records in California

  1. Marcia -Galbraith, PAStockton, CA1407143274
  2. Danny Abad, PAOrange, CA1477158673
  3. Lea Dominique Abadies, PATustin, CA1124754254
  4. Rea Elizabeth Abaniel, P.A.-CSeal Beach, CA1396173621
  5. Ramina Abbasi, PA-CSignal Hill, CA1093448300
  6. Ariel Abbott, PA-CStockton, CA1780334342
  7. Barrie Abbott, PA-CAnza, CA1861602575
  8. Elizabeth Abbott, PA-CSan Diego, CA1437540762
  9. Angela Abboud, MMS, PA-CSanta Rosa, CA1114399334
  10. Fatimeh Abdallah, P.A.-CNewport Beach, CA1487002218

Common questions

What is Jiancheng Sun, M.D.'s NPI number?

Jiancheng Sun, M.D.'s National Provider Identifier (NPI) is 1245430131, issued on Jul 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jiancheng Sun, M.D. located?

The NPPES record lists a practice address at 4580 California Ave, Bakersfield, CA, 93309. Phone: (661) 327-4411. Providers update this record themselves, so call before visiting.

How can I verify Jiancheng Sun, M.D.'s license?

NPPES lists California license number PA20579, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Jiancheng Sun, M.D. prescribe under Medicare Part D?

In 2024, Jiancheng Sun, M.D. had 498 Medicare Part D claims for 282 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.