Doctor profile · Federal record
Dr. Gregory Penniston, D.C.
Chiropractor (CMS: Chiropractic) · Tucson, AZ
- NPI 1356453047
- Accepts Medicare
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6563 E 22Nd St
Tucson, AZ 857105106
(520) 745-8101 - Mailing address
-
6563 E. 22Nd Street
Tucson, AZ 85710
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Arizona #3199
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1356453047. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,007
Distinct HCPCS
1
Medicare allowed
$50,710
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98942 |
Chiropractic manipulative treatment, 5 spinal regions | 1,007 | 121 | $50 |
In context: peer comparison
Among 30 peers in this city , average services per provider: 518. This provider delivers 1.9× the peer median.Frequently asked questions
What is Dr. Gregory Penniston's medical specialty?
Dr. Gregory Penniston practices Chiropractor in Tucson, AZ.
Where does Dr. Gregory Penniston practice?
Dr. Gregory Penniston practices at 6563 E 22Nd St, Tucson, AZ 857105106. Office phone: 5207458101.
What is Dr. Gregory Penniston's NPI?
Dr. Gregory Penniston's National Provider Identifier (NPI) is 1356453047, issued by NPPES.
Does Dr. Gregory Penniston accept Medicare assignment?
Yes. Dr. Gregory Penniston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Penniston commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 5 spinal regions (HCPCS 98942). Source: CMS Medicare Physician & Other Practitioners file.