DR. STUART S KASSAN MD
NPI 1093706475
Internal Medicine - Rheumatology in Denver, CO

Q: What is Stuart Kassan's NPI number?

The NPI number for Stuart Kassan is 1093706475. It was assigned to this individual provider in the NPPES registry on November 3, 2005.

Q: What is Stuart Kassan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Stuart Kassan was last updated on January 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 03, 2005PECOS EnrolledAccepts Medicare Assignment

1400 JACKSON ST, DENVER, CO 80206(303) 388-4461(303) 398-1211 Get Directions Write a Review

NPPES record last updated: January 4, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 4, 2023, Nov 30, 2020 (2 updates tracked since 2020).

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About Dr. Stuart S Kassan Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. STUART S KASSAN MD (NPI 1093706475) is an individual rheumatology provider in Denver, Colorado, licensed in Colorado (21547) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS and is a graduate of George Washington University School Of Medicine (1972).

NPPES Registry Identity

NPI1093706475

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. STUART S KASSANCredential: MD

Location Address1400 JACKSON STDenver, CO 80206-2762

Mailing Address1400 Jackson StDenver, CO 80206-2762 · (303) 388-4461 · Fax (303) 398-1211

Phone(303) 388-4461

Fax(303) 398-1211

Sole ProprietorNo

Medical School CMSGeorge Washington University School Of MedicineGraduated 1972

Enumeration DateNovember 3, 2005

Last NPPES UpdateJanuary 4, 20232 updates tracked since enumeration

NPPES CertifiedJanuary 4, 2023

✔ NPI 1093706475 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CO · 21547

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

1400 JACKSON ST, Denver, CO 80206

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Other Identifiers 1

Medicaid01215474CO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Stuart S Kassan Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7911890595

PECOS Enrollment IDI20040206000218

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

327 services186 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

40 services40 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

31 services31 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

29 services22 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80206 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$132.55 typical visit price

range $58.06 – $174.82

Typical copayment $33.13 (range $14.51 – $43.70)

Most-billed visit code 99204

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JESSICA GALANT-SWAFFORD

Allergy & Immunology