Diane Kim, MD
Internal Medicine Physician · Santa Ana, CA
Diane Kim, MD is an internal medicine physician with a practice address in Santa Ana, California, and NPI 1598824252, issued on Dec 8, 2006. Check the license (California A60719, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diane Kim
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A60719 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2212 E 4TH St, Santa Ana, CA 92705
- Phone
- (714) 288-3230
- Enumerated
- Dec 8, 2006
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081204000877); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2212 E 4TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lian Bach, D.O.Family Medicine Physician1144490962
- Natalie Buntzen, M.S., R.D.Registered Dietitian1477802486
- Shelley Canlas, M.D.Pediatrics Physician1700022894
- Cindy Cantt, RDRegistered Dietitian1285345793
- Danielle Curitore, M.D.Pediatrics Physician1831153394
Verify Diane Kim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A60719Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average internal medicine physician in 2024
3,628 Medicare Part D claims for 397 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 56 claims were for opioids.
Most prescribed
- Atorvastatin Calcium474 claims
- Lisinopril238 claims
- Losartan Potassium232 claims
- Metformin Hcl170 claims
- Levothyroxine Sodium155 claims
- Amlodipine Besylate140 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
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Kim among 17,696 internal medicine physician records in California
Diane Kim, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in California
There are 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Ana → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Frank Badin, M.D.Santa Ana, CA 927051962562850
- Richard Bock, M.D.Santa Ana, CA 927051699118216
- Jane Curtis, M.D.Santa Ana, CA 927051518018217
- Khai Do, M.D.Santa Ana, CA 927051396939526
- Xinming Fu, MDSanta Ana, CA 927051255381232
- Erica Kuhn, DONorth Tustin, CA 927051710095237
- David Maclachlan, MDSanta Ana, CA 927051114430402
- Venkata Pulakanti, M.D.Santa Ana, CA 927051356521843
Common questions
What is Diane Kim, MD's NPI number?
Diane Kim, MD's National Provider Identifier (NPI) is 1598824252, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diane Kim, MD located?
The NPPES record lists a practice address at 2212 E 4TH St, Santa Ana, CA, 92705. Phone: (714) 288-3230. Providers update this record themselves, so call before visiting.
How can I verify Diane Kim, MD's license?
NPPES lists California license number A60719, 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 Diane Kim, MD prescribe under Medicare Part D?
In 2024, Diane Kim, MD had 3,628 Medicare Part D claims for 397 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.