Stephen Denagy, M4915
NPI 1336273085 · Internal Medicine Physician · Ammon, ID
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Denagy, M4915 is a Internal Medicine Physician provider in Ammon, ID (NPI 1336273085).
Provider details
- NPI number
- 1336273085
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M4915
- Sex
- Male
- Sole proprietor
- Yes
- License
- M4915 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
683 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Psychotherapy, 45 Minutes90834 | 344 | $98 |
| Psychotherapy With Evaluation and Management Visit, 30 Minutes90833 | 87 | $68 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 87 | $164 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 78 | $116 |
| Psychotherapy With Evaluation and Management Visit, 1 Hour90838 | 37 | $113 |
| Psychotherapy With Evaluation and Management Visit, 45 Minutes90836 | 35 | $85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 120 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lamotrigine | 236 | 31 |
| Lithium Carbonate | 231 | 28 |
| Prazosin Hcl | 211 | 22 |
| Quetiapine Fumarate | 210 | 26 |
| Trazodone Hcl | 204 | 29 |
| Clozapine | 204 | 18 |
| Duloxetine Hcl | 194 | 26 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$582 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-15
- Last updated
- 2015-04-03
Frequently asked questions
- What is Stephen Denagy's NPI number?
- Stephen Denagy's National Provider Identifier (NPI) is 1336273085, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Denagy's specialty?
- Stephen Denagy is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Denagy located?
- Stephen Denagy's practice location on file with NPPES is 2705 E 17th St, Ammon, ID 83406-6601.
- What is Stephen Denagy's phone number?
- The practice phone number listed in the NPPES registry for Stephen Denagy is (208) 346-7500.
- Does Stephen Denagy accept Medicare?
- Stephen Denagy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Denagy's NPI active?
- Yes — Stephen Denagy's NPI (1336273085) is active in the NPPES registry as of the last update on 2015-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.