Chang O. Kim, M.D.
Orthopaedic Surgery Physician · Oakland, CA
Chang O. Kim, M.D. is an orthopaedic surgery physician with a practice address in Oakland, California, and NPI 1720152507, issued on Nov 20, 2006. Check the license (California A82792, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Chang O. Kim
- Credential
- M.D.
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- A82792 CA
Self-reported in NPPES; status is on the state search - Practice location
- 80 Grand Ave, Oakland, CA 94612
- Phone
- (510) 451-6266
- Enumerated
- Nov 20, 2006
- Record last updated
- Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (510) 451-6260
- Medicare enrollment
- Enrolled (PECOS I20050520000663); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 2,276 in California → Look up another NPI →
Also registered at 80 Grand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Adams, M.D.Internal Medicine Physician1922543149
- William Billings, MDOrthopaedic Surgery Physician1710954649
- Mark Chan, MDSpecialist1871532945
- Xiang Fei, LACCase Manager/Care Coordinator1306968185
- Sarah Langbein, PAPhysician Assistant1275747677
- Glen Lau, M.D.Plastic Surgery Physician1073653150
Verify Chang O. Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
300 Medicare Part D claims for 119 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 145 claims were for opioids.
Most prescribed
- Meloxicam98 claims
- Oxycodone Hcl96 claims
- Hydrocodone-Acetaminophen31 claims
- Ibuprofen17 claims
- Gabapentin11 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: $182.40
2 payments; by number, the most common kind was food and beverage; the largest payer was Biosense Webster, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 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
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chang O. Kim among 2,276 orthopaedic surgery physician records in California
Chang O. Kim, M.D. is one of 2,276 orthopaedic surgery physician records with a practice address in California. 74% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 46% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2001 · median 2003 among the 1,347 with a school on file
- Record last updated2021 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in California
There are 2,276 orthopaedic surgery physician records in California.
All 2,276 in California → Every provider in Oakland → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Richard Baker, M.D.Oakland, CA 946121245375146
- William Billings, MDOakland, CA 946121710954649
- George Pugh, M.D.Oakland, CA 946121003866518
- Thomas Barber, MDOakland, CA 946111760560569
- Robert Burri, MDOakland, CA 946111861570467
- John Cummins, MDOakland, CA 946111558449322
- Eric Eisemon, MDOakland, CA 946111093988974
- James Feng, MD, MSOakland, CA 946111699333567
Common questions
What is Chang O. Kim, M.D.'s NPI number?
Chang O. Kim, M.D.'s National Provider Identifier (NPI) is 1720152507, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chang O. Kim, M.D. located?
The NPPES record lists a practice address at 80 Grand Ave, Oakland, CA, 94612. Phone: (510) 451-6266. Providers update this record themselves, so call before visiting.
How can I verify Chang O. Kim, M.D.'s license?
NPPES lists California license number A82792, 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 Chang O. Kim, M.D. prescribe under Medicare Part D?
In 2024, Chang O. Kim, M.D. had 300 Medicare Part D claims for 119 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. 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.