NPPES file of Aug 9, 2026

Christine Wai Jun Wong, M.D.

Hospitalist Physician · Oakland, CA

Christine Wai Jun Wong, M.D. is a hospitalist physician with a practice address in Oakland, California, and NPI 1699092239, issued on Apr 21, 2010. Check the license (California A121099, 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
1699092239
Name
Christine Wai Jun Wong
Credential
M.D.
Primary taxonomy
Hospitalist Physician 208M00000X
License number
A121099 CA
Self-reported in NPPES; status is on the state search
Practice location
350 Hawthorne Ave RM 2346, Oakland, CA 94609
Phone
(510) 869-6883
Enumerated
Apr 21, 2010
Record last updated
Mar 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(510) 869-6888
Medicare enrollment
Enrolled (PECOS I20130709000399); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2010
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.
Download card Updates feed

Also registered at 350 Hawthorne Ave RM 2346

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

  1. Nkemdi Agwaramgbo, MDHospitalist Physician1053998682
  2. Vijay AluruInternal Medicine Physician1588026488
  3. Sharon Chan, M.D.Hospitalist Physician1013233964
  4. Paul Cheung, M.D.Internal Medicine Physician1942647060
  5. Matthew Dahnke, M.D.Hospitalist Physician1487762092
  6. James Felt, M.D.Hospitalist Physician1073621157

Verify Christine Wai Jun Wong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A121099    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

48% fewer Medicare Part D claims than the average hospitalist physician in 2024

273 Medicare Part D claims for 112 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Christine Wong273
  2. Specialty average521

Most prescribed

  1. Amoxicillin-Clavulanate Potass20 claims
  2. Atorvastatin Calcium18 claims
  3. Hydrocodone-Acetaminophen11 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 Bay Medical FoundationOakland, CA

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

Hospitalist Physician providers in California

There are 3,099 hospitalist physician records in California.

All 3,099 in California → Every provider in Oakland →

Other hospitalist physician records in California

  1. Zina Abbas, M.D.Chula Vista, CA1962799189
  2. Abdul Abdali, M.D.French Camp, CA1104319771
  3. Michael Abdel-Malek, MDDublin, CA1952388852
  4. Amr Abdelaty, MDWoodland, CA1962996348
  5. Anwar Abdelhadi, M.D.Orange, CA1093784191
  6. Farid Abdelmalak, M.D.Santa Monica, CA1912392937
  7. Elijah AbdelmeseehLong Beach, CA1346827631
  8. Homayoun Abdollahzadeh, M.D.Rancho Mirage, CA1871802454
  9. Wajidah Abdul-KhabirDuarte, CA1215323522
  10. Rizwana Abdullah, MDRoseville, CA1194899401

Common questions

What is Christine Wai Jun Wong, M.D.'s NPI number?

Christine Wai Jun Wong, M.D.'s National Provider Identifier (NPI) is 1699092239, issued on Apr 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Christine Wai Jun Wong, M.D. located?

The NPPES record lists a practice address at 350 Hawthorne Ave RM 2346, Oakland, CA, 94609. Phone: (510) 869-6883. Providers update this record themselves, so call before visiting.

How can I verify Christine Wai Jun Wong, M.D.'s license?

NPPES lists California license number A121099, 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 Christine Wai Jun Wong, M.D. prescribe under Medicare Part D?

In 2024, Christine Wai Jun Wong, M.D. had 273 Medicare Part D claims for 112 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.