Doctor profile · Federal record
Dr. Gregory McDonald, D.C.
Chiropractor (CMS: Chiropractic) · Neurology Chiropractor · Sports Physician Chiropractor · Orthopedic Chiropractor · Iowa City, IA
- NPI 1285694521
- Accepts Medicare
- 46 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
943 S Gilbert St, Suite 1
Iowa City, IA 522404742
(319) 338-2273
fax (319) 338-1225
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- February 3, 2010
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State licenses (4)
- Iowa #04746 · Iowa #124 · Iowa #3036 · Iowa #2388
- Medicaid
- IA #1185496
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285694521. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
652
Distinct HCPCS
2
Medicare allowed
$23,554
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 556 | 152 | $38 | |
98940 |
Chiropractic manipulative treatment, 1-2 spinal regions | 96 | 46 | $26 |
In context: peer comparison
Among 2 peers in Iowa City Chiropractor, average services per provider: 280. This provider delivers 2.3× the peer median.Frequently asked questions
What is Dr. Gregory McDonald's medical specialty?
Dr. Gregory McDonald practices Chiropractor in Iowa City, IA.
Where does Dr. Gregory McDonald practice?
Dr. Gregory McDonald practices at 943 S Gilbert St, Iowa City, IA 522404742. Office phone: 3193382273.
What is Dr. Gregory McDonald's NPI?
Dr. Gregory McDonald's National Provider Identifier (NPI) is 1285694521, issued by NPPES.
Does Dr. Gregory McDonald accept Medicare assignment?
Yes. Dr. Gregory McDonald accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory McDonald 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.