Doctor profile · Federal record
Dr. Greg Muchnij, Ch
Chiropractor (CMS: Chiropractic) · Phoenix, AZ
- NPI 1184689135
- Accepts Medicare
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4550 E Bell RD, Ste.284
Phoenix, AZ 850329306
(602) 866-3505
fax (602) 866-2521 - Mailing address
-
4550 E Bell RD Ste 284
Phoenix, AZ 850329384
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- January 10, 2008
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Arizona #118228
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1184689135. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
785
Distinct HCPCS
2
Medicare allowed
$25,924
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 404 | 69 | $39 | |
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 381 | 60 | $27 |
In context: peer comparison
Among 50 peers in Phoenix Chiropractor, average services per provider: 409. This provider delivers 1.9× the peer median.Frequently asked questions
What is Dr. Greg Muchnij's medical specialty?
Dr. Greg Muchnij practices Chiropractor in Phoenix, AZ.
Where does Dr. Greg Muchnij practice?
Dr. Greg Muchnij practices at 4550 E Bell RD, Phoenix, AZ 850329306. Office phone: 6028663505.
What is Dr. Greg Muchnij's NPI?
Dr. Greg Muchnij's National Provider Identifier (NPI) is 1184689135, issued by NPPES.
Does Dr. Greg Muchnij accept Medicare assignment?
Yes. Dr. Greg Muchnij accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Greg Muchnij commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.