NPPES file of Aug 9, 2026

Erjun Wang, M.D.

Hospitalist Physician · Davis, CA

Erjun Wang, M.D. is a hospitalist physician with a practice address in Davis, California, and NPI 1962599340, issued on Oct 6, 2006. Check the license (California A84068, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962599340
Name
Erjun Wang
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A84068 CA
Self-reported in NPPES; status is on the state search
Practice location
2000 Sutter PL, Davis, CA 95616
Phone
(530) 750-5226
Enumerated
Oct 6, 2006
Record last updated
Jul 10, 2015 (not updated in 11 years: call before relying on the address or phone)
Fax
(530) 759-7434
Medicaid ID
00A840680 CA
Medicare enrollment
Enrolled (PECOS I20050411001188); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2000 Sutter PL

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

  1. Dikshya AcharyaRegistered Nurse1659098945
  2. Oscar Barrios, M.D.Anesthesiology Physician1316958721
  3. Ramnik Bhogal, MDInternal Medicine Physician1326627589
  4. Gordon Chen, MDAnesthesiology Physician1508108085
  5. William Croskey, M.D.Hospitalist Physician1528328069
  6. Rachel Dern, M.D.Obstetrics & Gynecology Physician1437439262

Verify Erjun Wang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84068
    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
Open 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.

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34% fewer Medicare Part D claims than the average hospitalist physician in 2024

345 Medicare Part D claims for 142 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 18 claims were for opioids.

  1. Erjun Wang345
  2. Specialty average521

Most prescribed

  1. Metoprolol Succinate30 claims
  2. Ondansetron Odt24 claims
  3. Pantoprazole Sodium22 claims
  4. Eliquis17 claims
  5. Hydrocodone-Acetaminophen13 claims
  6. Tamsulosin Hcl11 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

  1. Sutter Valley Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Erjun Wang among 3,099 hospitalist physician records in California

Erjun Wang, M.D. 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 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 73% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 81% of these records are
  • Graduated1993 · median 2010 among the 2,505 with a school on file
  • Record last updated2015 · 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).

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

The 8 hospitalist physician records with the nearest ZIP codes

  1. William Croskey, M.D.Davis, CA 956161528328069
  2. Peter Fong, DODavis, CA 956161821627514
  3. Michael Guzman, D.O.Davis, CA 956161144584756
  4. Lynn McAlister, D.O.Davis, CA 956161124474549
  5. Harith Al-Shuwaykh, M.D.Carmichael, CA 956081053604918
  6. Amer Ali, MDCarmichael, CA 956081699926535
  7. Mya Aung, M.DCarmichael, CA 956081982967345
  8. Sherry Bajwa, M.D.Carmichael, CA 956081932548682

Common questions

What is Erjun Wang, M.D.'s NPI number?

Erjun Wang, M.D.'s National Provider Identifier (NPI) is 1962599340, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Erjun Wang, M.D. located?

The NPPES record lists a practice address at 2000 Sutter PL, Davis, CA, 95616. Phone: (530) 750-5226. Providers update this record themselves, so call before visiting.

How can I verify Erjun Wang, M.D.'s license?

NPPES lists California license number A84068, 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 Erjun Wang, M.D. prescribe under Medicare Part D?

In 2024, Erjun Wang, M.D. had 345 Medicare Part D claims for 142 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.