Doctor profile · Federal record

Dr. Jeffrey Denham, M.D.

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

  • NPI 1477592806
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
39 Congress St, Suite 201B
Pasadena, CA 911053024
(626) 793-6113
fax (626) 293-1055

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 19, 2012
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A67746
Medicaid
CA #00A677460

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477592806. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
532
Distinct HCPCS
5
Medicare allowed
$32,864
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 221 140 $99
90662 Influenza vaccine split virus, preservative free 106 106 $72
G0008 Administration of influenza virus vaccine 105 105 $25
96372 Injection of drug or substance under skin or into muscle 51 12 $16
J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg 49 11 $2

In context: peer comparison

Among 31 peers in Pasadena Internal Medicine Physician, average services per provider: 151. This provider delivers 3.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,342
Transactions
62
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 14 $267.48
Lilly USA, LLC 8 $134.35
Abbvie INC. 8 $133.45
GlaxoSmithKline, LLC. 4 $99.72
Pfizer INC. 5 $92.71
Novo Nordisk INC 4 $84.01
Almatica Pharma LLC 4 $71.78
Salix Pharmaceuticals, A Division of Bausch Health US, LLC 3 $56.97
Novartis Pharmaceuticals Corporation 3 $56.72
Antares Pharma, INC. 2 $50.43
Lexicon Pharmaceuticals, INC. 2 $48.54
Stryker Corporation 1 $43.55
Merck Sharp & Dohme LLC 2 $42.70
Globus Medical, INC. 1 $24.24
Aimmune Therapeutics, INC. 1 $21.64

By nature of payment

Food and Beverage
$1,342

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,971
Patients
601
Total drug cost
$151,251
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 391 96 $5,151
Amlodipine Besylate Generic 140 32 $1,566
Levothyroxine Sodium Generic 140 35 $2,940
Azithromycin Generic 139 88 $823
Rosuvastatin Calcium Generic 137 37 $4,050
Eliquis (Apixaban) Brand 122 28 $119,135
Escitalopram Oxalate Generic 112 31 $2,517
Gabapentin Generic 110 32 $1,650
Zolpidem Tartrate Generic 109 40 $1,562
Alprazolam Generic 105 28 $928

Frequently asked questions

Auto-generated from federal data
What is Dr. Jeffrey Denham's medical specialty?
Dr. Jeffrey Denham practices Internal Medicine Physician in Pasadena, CA.
Where does Dr. Jeffrey Denham practice?
Dr. Jeffrey Denham practices at 39 Congress St, Pasadena, CA 911053024. Office phone: 6267936113.
What is Dr. Jeffrey Denham's NPI?
Dr. Jeffrey Denham's National Provider Identifier (NPI) is 1477592806, issued by NPPES.
Does Dr. Jeffrey Denham accept Medicare assignment?
Yes. Dr. Jeffrey Denham accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jeffrey Denham commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Influenza vaccine split virus, preservative free (HCPCS 90662); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.