DR. GREGORY RUSSELL BALKO MD
NPI 1932103405
Emergency Medicine in Aspen, CO

Q: What is Gregory Balko's NPI number?

The NPI number for Gregory Balko is 1932103405. It was assigned to this individual provider in the NPPES registry on June 11, 2005.

Q: What is Gregory Balko's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Balko was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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 June 11, 2005PECOS Enrolled

401 CASTLE CREEK RD, ASPEN, CO 81611(970) 544-1228 Get Directions Write a Review

NPPES record last updated: February 24, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Gregory Russell Balko Md NPPES

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

DR. GREGORY RUSSELL BALKO MD (NPI 1932103405) is an individual emergency medicine provider in Aspen, Colorado, licensed in Colorado (37036) and active in the NPI registry since June 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932103405

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. GREGORY RUSSELL BALKOCredential: MD

Location Address401 CASTLE CREEK RDAspen, CO 81611-1159

Mailing Address401 Castle Creek RdAspen, CO 81611-1159 · (970) 544-1228

Phone(970) 544-1228

Sole ProprietorYes

Enumeration DateJune 11, 2005

Last NPPES UpdateFebruary 24, 2026

NPPES CertifiedFebruary 24, 2026

✔ NPI 1932103405 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in CO · 37036

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

401 CASTLE CREEK RD, Aspen, CO 81611

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Other Identifiers 1

Medicaid92854532CO

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Russell Balko Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Gregory Balko reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Aspen Valley Hospital District

Same address

Critical Access

401 CASTLE CREEK RD
Aspen, CO 81611

Reassigned Medicare billing, Colorado enrollment
106 clinicians in this Medicare group

NPI 1518960814 (970) 544-7684

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 81611 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.

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.

ASPEN VALLEY HOSPITAL CLINICS, PLLC

Clinic/Center (Multi-Specialty)