DR. JAMES THOMAS CASSLEMAN M.D.
NPI 1659691863
Family Medicine in Aurora, CO

Q: What is James Cassleman's NPI number?

The NPI number for James Cassleman is 1659691863. It was assigned to this individual provider in the NPPES registry on June 10, 2010.

Q: What is James Cassleman's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for James Cassleman was last updated on March 25, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since June 10, 2010PECOS Enrolled

275 S ASPEN ST, AURORA, CO 80011(720) 847-9355 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 25, 2026, Mar 20, 2020 (2 updates tracked since 2020).

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About Dr. James Thomas Cassleman M.d. NPPES

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

DR. JAMES THOMAS CASSLEMAN M.D. (NPI 1659691863) is an individual family medicine provider in Aurora, Colorado, licensed in Virginia (0101250317) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659691863

Entity TypeIndividualMale

Primary Taxonomy207Q00000X

Provider Legal NameDR. JAMES THOMAS CASSLEMANCredential: M.D.

Location Address275 S ASPEN STAurora, CO 80011-9562

Mailing Address275 S Aspen StAurora, CO 80011-9562 · (720) 847-4240

Phone(720) 847-9355

Sole ProprietorYes

Enumeration DateJune 10, 2010

Last NPPES UpdateMarch 25, 20262 updates tracked since enumeration

NPPES CertifiedMarch 25, 2026

✔ NPI 1659691863 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in VA · 0101250317

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

275 S ASPEN ST, Aurora, CO 80011

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James Thomas Cassleman M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 80011 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

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.

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