Carolyn E. Lamb, M.D.,
Internal Medicine Physician · South Pasadena, CA
Carolyn E. Lamb, M.D., is an internal medicine physician with a practice address in South Pasadena, California, and NPI 1841374642, issued on Oct 25, 2006. Check the license (California G63459, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carolyn E. Lamb
- Credential
- M.D.,
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G63459 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2050 Huntington Dr, South Pasadena, CA 91030
- Phone
- (626) 799-4151
- Enumerated
- Oct 25, 2006
- Record last updated
- Apr 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (626) 799-4207
- Medicare enrollment
- Enrolled (PECOS I20101026000616); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2050 Huntington Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Carolyn E. Lamb in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G63459Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
33% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,124 Medicare Part D claims for 128 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 81 claims were for opioids.
Most prescribed
- Atorvastatin Calcium144 claims
- Lisinopril92 claims
- Amlodipine Besylate82 claims
- Pantoprazole Sodium80 claims
- Losartan Potassium79 claims
- Levothyroxine Sodium69 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: $404.15
5 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, Inc. 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.
Carolyn E. Lamb among 17,696 internal medicine physician records in California
Carolyn E. Lamb, M.D., 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
- Graduated1986 · median 2004 among the 11,065 with a school on file
- Record last updated2008 · 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 South Pasadena → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christopher Jong, M.D.South Pasadena, CA 910301336336700
- Lauren KarpSouth Pasadena, CA 910301760772065
- Dolly Kim, MD MBASouth Pasadena, CA 910301023212487
- Christina Stiles, M.D.South Pasadena, CA 910301750679908
- Beauty Swe, MDSouth Pasadena, CA 910301548234479
- Jay Thomas, MDSouth Pasadena, CA 910301013092980
- Liviu Chindris, M.DSierra Madre, CA 910241730156472
- Linda Crawford, DOSierra Madre, CA 910241841360427
Common questions
What is Carolyn E. Lamb, M.D.,'s NPI number?
Carolyn E. Lamb, M.D.,'s National Provider Identifier (NPI) is 1841374642, issued on Oct 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carolyn E. Lamb, M.D., located?
The NPPES record lists a practice address at 2050 Huntington Dr, South Pasadena, CA, 91030. Phone: (626) 799-4151. Providers update this record themselves, so call before visiting.
How can I verify Carolyn E. Lamb, M.D.,'s license?
NPPES lists California license number G63459, 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 Carolyn E. Lamb, M.D., prescribe under Medicare Part D?
In 2024, Carolyn E. Lamb, M.D., had 2,124 Medicare Part D claims for 128 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.