Doctor profile · Federal record

Dr. Michael Ash, MD

Anesthesiology Physician (CMS: Anesthesiology) · Grand Junction, CO

  • NPI 1528022365
  • Accepts Medicare
  • 33 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2021 N 12Th St
Grand Junction, CO 815012980
(970) 242-0920
Mailing address
2754 Compass Dr, Suite 170
Grand Junction, CO 815068714

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
November 20, 2014
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Colorado #38152
Medicaid (2)
CO #72622067 · UT #T0230

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528022365. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
4
Medicare allowed
$7,997
HCPCS Description Services Patients Avg allowed
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 18 18 $66
64488 Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance 17 17 $63
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 11 $136
01402 Anesthesia for procedure for total knee joint replacement 12 12 $342

In context: peer comparison

Among 10 peers in Grand Junction Anesthesiology Physician, average services per provider: 16. This provider delivers 3.7× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Ash's medical specialty?
Dr. Michael Ash practices Anesthesiology Physician in Grand Junction, CO.
Where does Dr. Michael Ash practice?
Dr. Michael Ash practices at 2021 N 12Th St, Grand Junction, CO 815012980. Office phone: 9702420920.
What is Dr. Michael Ash's NPI?
Dr. Michael Ash's National Provider Identifier (NPI) is 1528022365, issued by NPPES.
Does Dr. Michael Ash accept Medicare assignment?
Yes. Dr. Michael Ash accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Ash commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (HCPCS 64488); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.