Nicholas Kortan, D.O.
NPI 1407052483 · Rheumatology Physician · Denver, CO
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Kortan, D.O. is a Rheumatology Physician provider in Denver, CO (NPI 1407052483).
Provider details
- NPI number
- 1407052483
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 646 (NE)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
237 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 | 94 | $96 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 83 | $16 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 22 | $127 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $142 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 16 | $125 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 84 | 35 |
| Hydroxychloroquine Sulfate | 58 | 20 |
| Methotrexate Sodiumbrand: Methotrexate | 46 | 20 |
| Allopurinol | 21 | — |
| Alendronate Sodium | 19 | — |
| Pregabalin | 18 | — |
| Azathioprine | 17 | — |
Practice location
Mailing address
Additional practice locations (1)
- 1635 Aurora CtAurora, CO 80045-2541Phone: (720) 848-0000
Registry dates
- Enumerated
- 2007-06-26
- Last updated
- 2023-08-01
- Certified
- 2023-08-01
Frequently asked questions
- What is Nicholas Kortan's NPI number?
- Nicholas Kortan's National Provider Identifier (NPI) is 1407052483, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Kortan's specialty?
- Nicholas Kortan is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Kortan located?
- Nicholas Kortan's practice location on file with NPPES is 777 Bannock St # Mc3240, Denver, CO 80204-4597.
- What is Nicholas Kortan's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Kortan is (303) 436-6000.
- Does Nicholas Kortan accept Medicare?
- Nicholas Kortan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Kortan's NPI active?
- Yes — Nicholas Kortan's NPI (1407052483) is active in the NPPES registry as of the last update on 2023-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.