Christine Chang, MD
Hospitalist Physician · Oakland, CA
Christine Chang, MD is a hospitalist physician with a practice address in Oakland, California, and NPI 1336602119, issued on Apr 9, 2019. Check the license (California A179940, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Christine Chang
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- A179940 CA
Self-reported in NPPES; status is on the state search - Practice location
- 350 Hawthorne Ave, Oakland, CA 94609
- Phone
- (510) 869-6883
- Enumerated
- Apr 9, 2019
- Record last updated
- Jan 14, 2025
- Fax
- (510) 869-6888
- Medicare enrollment
- Enrolled (PECOS I20221110001862); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 3,099 in California → Look up another NPI →
Also registered at 350 Hawthorne Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Saja Al Araji, MDStudent in an Organized Health Care Education/Training Program1942052139
- Daniah Al-Sabbagh, MDStudent in an Organized Health Care Education/Training Program1588415152
- Lara AliStudent in an Organized Health Care Education/Training Program1871433714
- Olga Anikina, MDHospitalist Physician1619110954
Verify Christine Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A179940Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average hospitalist physician in 2024
340 Medicare Part D claims for 128 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass21 claims
- Oxycodone Hcl18 claims
- Prednisone18 claims
- Atorvastatin Calcium16 claims
- Pantoprazole Sodium14 claims
- Albuterol Sulfate Hfa12 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
- Sutter Bay Medical FoundationBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christine Chang among 3,099 hospitalist physician records in California
Christine Chang, MD 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 2019, is newer than 81% of them.
- NPI issued2019 · 81% of these records are older, 15% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated2019 · median 2010 among the 2,505 with a school on file
- Record last updated2025 · 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.
All 3,099 in California → Every provider in Oakland → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Matthew Dahnke, M.D.Oakland, CA 946091487762092
- Joann Dominguez, MDOakland, CA 946091811003809
- James Felt, M.D.Oakland, CA 946091073621157
- Martin Garcia, M.D.Oakland, CA 946091619084423
- Leif Hass, M.D.Oakland, CA 946091528175346
- Erwin KuoOakland, CA 946091437266269
- Daniel Montes, M.D.Oakland, CA 946091487737755
- Lloyd Morrissey, M.D.Oakland, CA 946091801903562
Common questions
What is Christine Chang, MD's NPI number?
Christine Chang, MD's National Provider Identifier (NPI) is 1336602119, issued on Apr 9, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Christine Chang, MD located?
The NPPES record lists a practice address at 350 Hawthorne Ave, Oakland, CA, 94609. Phone: (510) 869-6883. Providers update this record themselves, so call before visiting.
How can I verify Christine Chang, MD's license?
NPPES lists California license number A179940, 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 Chang, MD prescribe under Medicare Part D?
In 2024, Christine Chang, MD had 340 Medicare Part D claims for 128 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.