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About

Aspen Internal Medicine Consultants is a small, solo-practice internal medicine provider based in Aspen, Colorado. The practice specializes in adult internal medicine, focusing on differential diagnosis, treatment, and follow-up of adult medical problems. Key details: - Location: Aspen, Colorado - Contact: 970-544-1234 (also 970-544-1310); email aspeninternalmed@gmail.com - Website: aspeninternalmedicineconsultants.com - Workforce: 1 physician (specialist) - Focus areas: internal medicine, diagnostics, treatment, follow-up for adult patients - Online presence: modest traffic (~869 monthly visits) with low bounce rate; primarily U.S. audience If you’re seeking an internal medicine specialist in Aspen for comprehensive adult medical care, this practice offers focused, single-provider services.

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Clinic Type

Family Medicine

Address

225 N. Mill Street, Suite #116 Aspen, CO 81611

Phone

9705441234

Email

aspeninternalmed@gmail.com

Opening Hours

Mon-Fri 8:30 a.m. – 5:00 p.m.

Website

https://www.aspeninternalmedicineconsultants.com/

Telehealth

Yes

Services Offered

—

Team

  • Ann Mass, Board-certified Internal Medicine physician; Harvard Medical School graduate; Barnard College BA; AO A; active staff at Aspen Valley Hospital; certified in clinical densitometry; BLS, ACLS, FCCS; assistant clinical professor at University of Colorado Medical School — M.D.
  • Erika Gleva, Board-certified Physician Assistant; over a decade of experience; specializes in rheumatology; Masters from Massachusetts College of Pharmacy and Health Sciences; trained in musculoskeletal ultrasound; focuses on joint inflammation and autoimmune conditions — P.A.-C.
  • Stephanie Karozos, Dr. Karozos practices Integrative and Functional Medicine; acupuncture; extended visits; focused on root-cause treatment and lifestyle/nutrition; works on reducing medication use when possible — M.D.

Insurance & Payment

—

Languages Spoken

  • English
  • French (translation available in the office)

FAQs

What are office hours?

Mon - Fri 8:30 a.m. to 5 p.m.

Is there parking available?

Parking is available adjacent to the office.

Is translation available?

French translation is available in the office.

Office Hours

Mon-Fri 8:30 a.m. to 5 p.m.

How can I contact the office to make an appointment?

Call 970-544-1234 or email us to make an appointment.

Social Media

Instagram

Photos

Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 1Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 2Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 3Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 4Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 5Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 6Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 7Aspen Internal Medicine Consultants — Family Medicine clinic in Aspen, CO — photo 8

What Patients Say

Overall sentiment across review platforms: mixed

  • Trustburn: 3.7 out of 5 (10)

Patients praise

  • Knowledgeable and compassionate medical care
  • Willingness to listen to patient concerns
  • Positive reception of the medical student teaching program

Common complaints

  • Billing and refund processing issues
  • Passive-aggressive communication regarding billing disputes

"Knowledgeable, compassionate, and to listen to my concerns."

— Trustburn reviewer

"This place receives a one star from me for how unprofessional they've handled billing. ... I requested it at that moment. It's been about 8 weeks later after that request, many phone calls and many promises on their end that I should receive the check in about a week or so."

— Trustburn reviewer regarding billing dispute

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

In the News

Information sourced from the clinic's website as of July 10, 2026.

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