Stephen Denq, M.D.
NPI 1568533073 · Internal Medicine Physician · Alhambra, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Denq, M.D. is a Internal Medicine Physician provider in Alhambra, CA (NPI 1568533073).
Provider details
- NPI number
- 1568533073
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A065839 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
122 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 100 | $99 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 11 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 11 | $140 |
Typical Medicare-allowed amounts for these services range $9–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 83 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 379 | 120 |
| Amlodipine Besylate | 338 | 96 |
| Meloxicam | 236 | 66 |
| Levothyroxine Sodium | 202 | 50 |
| Hydrochlorothiazide | 191 | 52 |
| Omeprazole | 187 | 47 |
| Metformin Hcl | 177 | 56 |
Practice location
Mailing address
Additional practice locations (1)
- 10414 Vacco StS El Monte, CA 91733-3350Phone: (626) 636-8700
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2023-05-20
- Certified
- 2023-05-20
Frequently asked questions
- What is Stephen Denq's NPI number?
- Stephen Denq's National Provider Identifier (NPI) is 1568533073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Denq's specialty?
- Stephen Denq is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Denq located?
- Stephen Denq's practice location on file with NPPES is 1000 S Garfield Ave, Alhambra, CA 91801-4709.
- What is Stephen Denq's phone number?
- The practice phone number listed in the NPPES registry for Stephen Denq is (626) 281-3383.
- Does Stephen Denq accept Medicare?
- Stephen Denq is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Denq's NPI active?
- Yes — Stephen Denq's NPI (1568533073) is active in the NPPES registry as of the last update on 2023-05-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.