Doctor profile · Federal record
Dr. Nicholas Kortan, D.O.
Rheumatology Physician (CMS: Rheumatology) · Rheumatology Physician · Denver, CO
- NPI 1407052483
- Accepts Medicare
- 19 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
777 Bannock St # Mc3240
Denver, CO 802044597
(303) 436-6000 - Additional location
-
1635 Aurora CT
Aurora, CO 800452541
(720) 848-0000 - Mailing address
-
Po Box 110429
Aurora, CO 800420429
Credentials & registration
- NPI registered
- June 2007 — 19 yrs on file
- Profile last updated
- August 1, 2023
- Year of graduation
- 2007 — 19 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State licenses (2)
- Colorado #DR.0068078 · Nebraska #646
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407052483. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,592
Distinct HCPCS
10
Medicare allowed
$141,811
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0129 |
Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) | 1,825 | 11 | $42 | |
J0897 |
Injection, denosumab, 1 mg | 1,380 | 23 | $23 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 66 | 40 | $125 | |
J3489 |
Injection, zoledronic acid, 1 mg | 60 | 12 | $9 | |
96372 |
Injection of drug or substance under skin or into muscle | 44 | 26 | $14 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 44 | 36 | $90 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 39 | 39 | $168 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 35 | 23 | $66 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 19 | 18 | $45 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 18 | 12 | $136 |
In context: peer comparison
Among 19 peers in Denver Rheumatology Physician, average services per provider: 2,043. This provider delivers 1.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
488
Patients
160
Total drug cost
$80,823
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prednisone | Generic | 140 | 69 | $1,094 |
| Methotrexate (Methotrexate Sodium) | Brand | 75 | 30 | $3,501 |
| Hydroxychloroquine Sulfate | Generic | 49 | 24 | $4,034 |
| Alendronate Sodium | Generic | 40 | 14 | $577 |
| Allopurinol | Generic | 32 | 12 | $492 |
| Gabapentin | Generic | 28 | 11 | $320 |
| Folic Acid | Generic | 27 | 0 | $180 |
| Sulfasalazine | Generic | 19 | 0 | $530 |
| Leflunomide | Generic | 17 | 0 | $1,254 |
| Celecoxib | Generic | 15 | 0 | $560 |
Frequently asked questions
What is Dr. Nicholas Kortan's medical specialty?
Dr. Nicholas Kortan practices Rheumatology Physician in Denver, CO.
Where does Dr. Nicholas Kortan practice?
Dr. Nicholas Kortan practices at 777 Bannock St # Mc3240, Denver, CO 802044597. Office phone: 3034366000.
What is Dr. Nicholas Kortan's NPI?
Dr. Nicholas Kortan's National Provider Identifier (NPI) is 1407052483, issued by NPPES.
Does Dr. Nicholas Kortan accept Medicare assignment?
Yes. Dr. Nicholas Kortan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Kortan commonly perform?
Top Medicare-reported procedures in 2023: Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0129); Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.