Nicholas D Kortan, D.O.

Rheumatology Internal Medicine

Nicholas D Kortan is a Rheumatology Internal Medicine specialist based in Denver, CO with over 19 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

Also practices: INTERNAL MEDICINE

(303) 436-6000Denver, CO
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

Nicholas D Kortan, D.O. has been part of the Denver medical community since 2007 in group practice. With 19+ years of experience, he has been practicing in the Denver area. He regularly sees Medicare patients with arthritis, high cholesterol, and hypertension (per CMS claims data).

At a glance

  • Prescribes opioids less than 34% of reporting doctors in Colorado
  • Virtual visits available — no app or travel required
1 of 60 Internal Medicine providers in COSee all Internal Medicine in Denver19+ years experienceNPI since 2007

Older · 1029dNPPES updated 2023-08-01 · verify NPI on CMS · Verify license at Colorado Medical Board

Contact & Location

Practice Location

777 Bannock St # Mc3240, Denver, CO 80204-4597

CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor prescribes opioid pain medications conservatively.

Opioid Rx

↓ Lower = better

3.29%

Colorado avg: 6.1 · US avg: 5.1

Higher than most doctors nationally(-1.8 pts)

3.29% of this doctor's prescriptions are opioid pain medications. Lower means more cautious prescribing.

Medicare Patients

190

Unique beneficiaries

Standard volume

Prescription Recipients

171

Patients prescribed

Prescriptions Written

607

Total claims

Total Medicare drug cost: $275k

Percentile rankings compared against 1,617 reporting peers in Colorado.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Arthritis, High Cholesterol, and Hypertension.

Arthritis
Higher than avg (+21%)70%

Joint inflammation causing pain, swelling, and stiffness

US avg: 49.3%

↑ More patients than average (+21%) — a focus area for this doctor

High Cholesterol
Lower than avg (-7%)63%

Elevated cholesterol or triglycerides that increase heart disease risk

US avg: 70.4%

↓ Fewer patients than average (-7%) — less common here

Hypertension
Lower than avg (-12%)58%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↓ Fewer patients than average (-12%) — less common here

Osteoporosis
Higher than avg (+35%)53%

Weakened bones that are more prone to fractures, common in older adults

US avg: 18.1%

↑ More patients than average (+35%) — a focus area for this doctor

Mood Disorders
31%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Lower than avg (-3%)29%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↓ Fewer patients than average (-3%) — less common here

Chronic Kidney Disease
Lower than avg (-3%)27%

Gradual loss of kidney function over time, often linked to diabetes or hypertension

US avg: 29.6%

↓ Fewer patients than average (-3%) — less common here

Diabetes
Lower than avg (-10%)24%

A condition where the body cannot properly regulate blood sugar levels

US avg: 34.5%

↓ Fewer patients than average (-10%) — less common here

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Board certified · Jul 31, 2023

    Self-reported via NPPES

  2. 19 years in practice

    Experienced

Internal MedicineAllopathic & Osteopathic Physicians

Rheumatologists treat autoimmune and inflammatory conditions including rheumatoid arthritis, lupus, psoriatic arthritis, gout, osteoarthritis, and vasculitis. They manage biologic therapies and joint-preserving treatments.

Taxonomy: 207RR0500X

Practice Footprint

Mailing address

Po Box 110429, Aurora, CO 80042-0429

Differs from practice location

Primary hospital affiliation: Acute Care Hospitals

CMS Certification Number: 390334

View hospital on Medicare Care Compare

Virtual Internal Medicine Care With Nicholas D Kortan

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Nicholas D Kortan for arthritis follow-ups, cholesterol management, blood pressure monitoring — no travel to Denver required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about Nicholas D Kortan

Dr. Kortan is listed as active in the NPI registry with telehealth listed in Denver, CO. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (303) 436-6000.

Verified across 4 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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