James Wilk, M.D.
NPI 1427011584 · Internal Medicine Physician · Denver, CO
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Wilk, M.D. is a Internal Medicine Physician provider in Denver, CO (NPI 1427011584).
Provider details
- NPI number
- 1427011584
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 33021 (CO)
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
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,136 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 290 | $85 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 273 | $72 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 129 | $49 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 114 | $106 |
| Admn Sarscov2 Vacc 1 Dose90480 | 93 | $43 |
| Administration of Influenza Virus VaccineG0008 | 73 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 102 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 250 | 75 |
| Rosuvastatin Calcium | 236 | 82 |
| Atorvastatin Calcium | 207 | 78 |
| Levothyroxine Sodium | 198 | 63 |
| Amlodipine Besylate | 163 | 53 |
| Lisinopril | 145 | 45 |
| Omeprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-10
- Last updated
- 2017-04-13
Frequently asked questions
- What is James Wilk's NPI number?
- James Wilk's National Provider Identifier (NPI) is 1427011584, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Wilk's specialty?
- James Wilk is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is James Wilk located?
- James Wilk's practice location on file with NPPES is 311 Steele St, Denver, CO 80206-4479.
- What is James Wilk's phone number?
- The practice phone number listed in the NPPES registry for James Wilk is (303) 372-4000.
- Does James Wilk accept Medicare?
- James Wilk is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Wilk's NPI active?
- Yes — James Wilk's NPI (1427011584) is active in the NPPES registry as of the last update on 2017-04-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.