ASPEN ANESTHESIA, INC
NPI 1811042898
Anesthesiology - Pain Medicine in Aspen, CO

Active since January 23, 2007
401 CASTLE CREEK RD, ASPEN, CO 81611(844) 246-1591(970) 544-1587 Get Directions Write a Review

NPPES record last updated: July 22, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 22, 2021, May 27, 2021, Nov 12, 2020 and 1 more (4 updates tracked since 2019).

About Aspen Anesthesia, Inc NPPES

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

ASPEN ANESTHESIA, INC (NPI 1811042898) is a healthcare organization registered as a pain medicine in Aspen, Colorado and active in the NPI registry since January 2007. The organization lists Eric Willsky, Owner, as its authorized official.

NPPES Registry Identity

NPI1811042898
Entity TypeOrganization
Primary Taxonomy207LP2900X
Legal Business NameASPEN ANESTHESIA, INC
Location Address401 CASTLE CREEK RDAspen, CO 81611-1159
Mailing AddressPo Box 3930Salt Lake City, UT 84110-3930 · (800) 880-3566 · Fax (800) 880-3566
Fax(970) 544-1587
Organization SubpartNo
Authorized OfficialEric WillskyOwner · (844) 246-1591
Enumeration DateJanuary 23, 2007
Last NPPES UpdateJuly 22, 20214 updates tracked since enumeration
NPPES CertifiedJuly 22, 2021
✔ NPI 1811042898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Pain MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LP2900X
License✔ Licensed in CO · 29434C
Definition
An anesthesiologist who provides a high level of care, either as a primary physician or consultant, for patients experiencing problems with acute, chronic and/or cancer pain in both hospital and ambulatory settings. Patient care needs are also coordinated with other specialists.
401 CASTLE CREEK RD, Aspen, CO 81611

Other Identifiers 1

Medicaid04020079CO

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aspen Anesthesia, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

26

Medicare enrollment records show 26 clinicians reassign Medicare billing to Aspen Anesthesia, Inc, which bills Medicare for the services they deliver. Of these, 4 practice at this address. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 2

Anesthesiology13
Certified Registered Nurse Anesthetist (CRNA)13

Nearest to this location (20)

See all 26
Anesthesiology
NPI 1609811645
401 CASTLE CREEK RD
Aspen, CO 81611
(970) 925-1120
✔ PECOS✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1659795607
401 CASTLE CREEK RD
Aspen, CO 81611
(970) 925-1120
✔ PECOS✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1275625238
401 CASTLE CREEK RD AVH/ANESTHESIA
Aspen, CO 81611
(970) 544-1166
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1972791705
401 CASTLE CREEK RD
Aspen, CO 81611
(970) 925-1120
✔ PECOS✔ Accepts MedicareSame address
Anesthesiology
NPI 1578523783
501 AIRPORT RD
Rifle, CO 81650
(970) 625-6496
✔ PECOS✔ Accepts Medicare55 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1447356191
501 AIRPORT RD BOX 912
Rifle, CO 81650
(970) 625-2752
✔ PECOS✔ Accepts Medicare55 mi
Anesthesiology
NPI 1851928287
1960 N OGDEN ST STE 400
Denver, CO 80218
(303) 318-1540
✔ PECOS✔ Accepts Medicare107 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1811250889
8000 E MAPLEWOOD AVE STE 200
Greenwood Village, CO 80111
(303) 438-3999
✔ PECOS✔ Accepts Medicare108 mi
Anesthesiology
NPI 1215042585
4200 E 9TH AVE
Denver, CO 80262
(303) 493-7000
✔ PECOS✔ Accepts Medicare108 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1518403740
4567 E 9TH AVE
Denver, CO 80220
(630) 433-6789
✔ PECOS✔ Accepts Medicare109 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1235642471
10792 E 28TH PL
Denver, CO 80238
(970) 846-2046
✔ PECOS✔ Accepts Medicare113 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1659334324
12605 E 16TH AVE
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare113 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1598032138
2800 10TH AVE N
Billings, MT 59101
(303) 438-3999
✔ PECOS✔ Accepts Medicare462 mi
Anesthesiology
NPI 1740238708
3700 CALIFORNIA ST
San Francisco, CA 94118
(415) 719-0000
✔ PECOS851 mi
Anesthesiology
NPI 1609966738
1775 W. DEMPSTER
Park Ridge, IL 60068
(847) 723-2210
✔ PECOS✔ Accepts Medicare1,016 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1093755456
3601 THE VANDERBILT CLINIC
Nashville, TN 37232
(615) 322-3000
✔ PECOS✔ Accepts Medicare1,116 mi
Anesthesiology
NPI 1629126586
6335 HOSPITAL PKWY SUITE 304
Johns Creek, GA 30097
(404) 778-4329
✔ PECOS✔ Accepts Medicare1,304 mi
Anesthesiology
NPI 1285909929
1215 LEE ST
Charlottesville, VA 22908
(434) 924-2283
✔ PECOS✔ Accepts Medicare1,530 mi
Certified Registered Nurse Anesthetist (CRNA)
NPI 1518108232
1840 AMHERST ST
Winchester, VA 22601
(540) 536-8000
✔ PECOS✔ Accepts Medicare1,531 mi
Anesthesiology
NPI 1508885393
260 GATEWAY DR SUITE 20A
Bel Air, MD 21014
(410) 420-7630
✔ PECOS✔ Accepts Medicare1,624 mi
See all 26 clinicians

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

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aspen Anesthesia, Inc's NPI number?

The NPI number for Aspen Anesthesia, Inc is 1811042898. It was assigned to this organization in the NPPES registry on January 23, 2007.

Where is Aspen Anesthesia, Inc located?

Aspen Anesthesia, Inc is located at 401 Castle Creek Rd, Aspen, CO 81611. The listed phone number is (844) 246-1591.

What is Aspen Anesthesia, Inc's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Pain Medicine, with taxonomy code 207LP2900X.

Is Aspen Anesthesia, Inc enrolled in Medicare?

Yes. Aspen Anesthesia, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Aspen Anesthesia, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 26 clinicians in 2 Medicare specialties reassign their Medicare billing to Aspen Anesthesia, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Anesthesiology (13) and Certified Registered Nurse Anesthetist (CRNA) (13). Of these, 4 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Aspen Anesthesia, Inc was last updated on July 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.