Doctor profile · Federal record

Dr. Stephen Denq, M.D.

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

  • NPI 1568533073
  • Accepts Medicare
  • 30 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1000 S Garfield Ave
Alhambra, CA 918014709
(626) 281-3383
Additional location
10414 Vacco St
S El Monte, CA 917333350
(626) 636-8700

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
May 20, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #A065839
Medicaid
CA #00A658390

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568533073. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
573
Distinct HCPCS
5
Medicare allowed
$50,583
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 420 151 $98
36415 Insertion of needle into vein for collection of blood sample 77 66 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 34 34 $140
99203 New patient office or other outpatient visit, 30-44 minutes 24 24 $122
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 18 14 $50

In context: peer comparison

Among 13 peers in Alhambra Internal Medicine Physician, average services per provider: 127. This provider delivers 4.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,105
Patients
621
Total drug cost
$29,412
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 336 99 $6,673
Amlodipine Besylate Generic 286 82 $3,550
Meloxicam Generic 170 45 $959
Metformin Hcl Generic 161 48 $2,262
Levothyroxine Sodium Generic 156 35 $2,815
Hydrochlorothiazide Generic 125 40 $552
Omeprazole Generic 124 43 $1,794
Losartan Potassium Generic 111 35 $2,237
Simvastatin Generic 111 31 $1,716
Montelukast Sodium Generic 105 34 $1,591

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Denq's medical specialty?
Dr. Stephen Denq practices Internal Medicine Physician in Alhambra, CA.
Where does Dr. Stephen Denq practice?
Dr. Stephen Denq practices at 1000 S Garfield Ave, Alhambra, CA 918014709. Office phone: 6262813383.
What is Dr. Stephen Denq's NPI?
Dr. Stephen Denq's National Provider Identifier (NPI) is 1568533073, issued by NPPES.
Does Dr. Stephen Denq accept Medicare assignment?
Yes. Dr. Stephen Denq accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Denq commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Insertion of needle into vein for collection of blood sample (HCPCS 36415); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.