Doctor profile · Federal record

Dr. Carolyn Lamb, M.D.,

Internal Medicine Physician (CMS: Internal Medicine) · South Pasadena, CA

  • NPI 1841374642
  • Accepts Medicare
  • 40 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2050 Huntington Dr, Suite D
South Pasadena, CA 910304900
(626) 799-4151
fax (626) 799-4207
Mailing address
1050 Beverly Way
Altadena, CA 910012516

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
April 14, 2008
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G63459

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841374642. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
371
Distinct HCPCS
5
Medicare allowed
$35,188
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 120 59 $139
99213 Established patient office or other outpatient visit, 20-29 minutes 103 55 $98
36415 Insertion of needle into vein for collection of blood sample 77 52 $3
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 41 41 $140
99348 Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes 30 11 $81

In context: peer comparison

Among 1 peers in South Pasadena Internal Medicine Physician, average services per provider: 74. This provider delivers 5.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$404
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Janssen Pharmaceuticals, INC 2 $255.05
Lilly USA, LLC 2 $135.65
Exact Sciences Corporation 1 $13.45

By nature of payment

Food and Beverage
$391
Travel and Lodging
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
827
Patients
98
Total drug cost
$33,612
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 95 21 $1,253
Losartan Potassium Generic 92 13 $991
Lisinopril Generic 91 20 $774
Amlodipine Besylate Generic 87 16 $741
Levothyroxine Sodium Generic 85 15 $1,162
Pantoprazole Sodium Generic 71 13 $1,007
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 46 0 $307
Quetiapine Fumarate Generic 38 0 $1,564
Mirtazapine Generic 37 0 $810
Methenamine Hippurate Generic 36 0 $2,090

Frequently asked questions

Auto-generated from federal data
What is Dr. Carolyn Lamb's medical specialty?
Dr. Carolyn Lamb practices Internal Medicine Physician in South Pasadena, CA.
Where does Dr. Carolyn Lamb practice?
Dr. Carolyn Lamb practices at 2050 Huntington Dr, South Pasadena, CA 910304900. Office phone: 6267994151.
What is Dr. Carolyn Lamb's NPI?
Dr. Carolyn Lamb's National Provider Identifier (NPI) is 1841374642, issued by NPPES.
Does Dr. Carolyn Lamb accept Medicare assignment?
Yes. Dr. Carolyn Lamb accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolyn Lamb commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.