Cathrin Hee Lim, MD
Family Medicine Physician · Tustin, CA
Cathrin Hee Lim, MD is a family medicine physician with a practice address in Tustin, California, and NPI 1093150864, issued on May 6, 2013. Check the license (California A126266, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cathrin Hee Lim
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A126266 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1 Hope Dr, Tustin, CA 92782
- Phone
- (714) 247-0300
- Enumerated
- May 6, 2013
- Record last updated
- Jun 29, 2022
- Medicare enrollment
- Enrolled (PECOS I20131206000357); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1 Hope Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Eun Beenen, ACSWClinical Social Worker1811696347
- Christopher BetancurCase Manager/Care Coordinator1629845466
Verify Cathrin Hee Lim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A126266Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average family medicine physician in 2024
4,478 Medicare Part D claims for 847 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 168 claims were for opioids.
Most prescribed
- Atorvastatin Calcium330 claims
- Amlodipine Besylate205 claims
- Lisinopril205 claims
- Rosuvastatin Calcium195 claims
- Losartan Potassium187 claims
- Metformin Hcl133 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 GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cathrin Hee Lim among 17,133 family medicine physician records in California
Cathrin Hee Lim, MD is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 68% of them.
- NPI issued2013 · 68% of these records are older, 29% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2008 · median 2005 among the 10,652 with a school on file
- Record last updated2022 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
42 family medicine physician records list a practice address in Tustin
They are 42 of the 2,221 NPPES records with a practice address in Tustin, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Tustin → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Shadia Ahmed, M.D.Tustin, CA 927821457566036
- Christine Akparanta, MDTustin, CA 927821184129884
- Robert Chang, MDTustin, CA 927821194954453
- Stanley Cho, M.D.Tustin, CA 927821780610014
- Mimi Hoang, DOTustin, CA 927821891377594
- Cindy Lee, MDTustin, CA 927821679712947
- Jonathan Lu, FNP-CTustin, CA 927821043796402
- Anthony Naples, PHD,MDTustin, CA 927821760594790
Common questions
What is Cathrin Hee Lim, MD's NPI number?
Cathrin Hee Lim, MD's National Provider Identifier (NPI) is 1093150864, issued on May 6, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Cathrin Hee Lim, MD located?
The NPPES record lists a practice address at 1 Hope Dr, Tustin, CA, 92782. Phone: (714) 247-0300. Providers update this record themselves, so call before visiting.
How can I verify Cathrin Hee Lim, MD's license?
NPPES lists California license number A126266, 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 Cathrin Hee Lim, MD prescribe under Medicare Part D?
In 2024, Cathrin Hee Lim, MD had 4,478 Medicare Part D claims for 847 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.