Richard C. Lam, MD
Internal Medicine Physician · Sun City, CA
Richard C. Lam, MD is an internal medicine physician with a practice address in Sun City, California, and NPI 1003830191, issued on Jul 26, 2006. Check the license (California A061542, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Richard C. Lam
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A061542 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27994 Bradley RD, Sun City, CA 92586
- Phone
- (951) 679-6467
- Enumerated
- Jul 26, 2006
- Record last updated
- Feb 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (951) 679-1500
- Medicaid ID
- 00A615420 CA
- Medicare enrollment
- Enrolled (PECOS I20040727001254); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 27994 Bradley RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Duane Darnell, DOInternal Medicine Physician1831199728
- Erin McIntosh, NPFamily Nurse Practitioner1194440818
Verify Richard C. Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A061542Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.2 times the Medicare Part D claims of the average internal medicine physician in 2024
19,731 Medicare Part D claims for 905 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 1,325 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,152 claims
- Losartan Potassium814 claims
- Hydrocodone-Acetaminophen645 claims
- Metoprolol Succinate570 claims
- Amlodipine Besylate569 claims
- Levothyroxine Sodium556 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.
The MIPS final score for 2023 (Medicare payment program): 29.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,334.15
54 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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.
13 internal medicine physician records list a practice address in Sun City
They are 13 of the 137 NPPES records with a practice address in Sun City, and 17,696 internal medicine physician records in California.
All 13 in Sun City → All 17,696 in California → Every provider in Sun City →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Richard C. Lam, MD's NPI number?
Richard C. Lam, MD's National Provider Identifier (NPI) is 1003830191, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Richard C. Lam, MD located?
The NPPES record lists a practice address at 27994 Bradley RD, Sun City, CA, 92586. Phone: (951) 679-6467. Providers update this record themselves, so call before visiting.
How can I verify Richard C. Lam, MD's license?
NPPES lists California license number A061542, 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 Richard C. Lam, MD prescribe under Medicare Part D?
In 2024, Richard C. Lam, MD had 19,731 Medicare Part D claims for 905 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Richard C. Lam, MD's MIPS final score?
The 2023 MIPS final score is 29.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.