Doctor profile · Federal record
Dr. Grant O'Brien, D.C.
Chiropractor (CMS: Chiropractic) · Neenah, WI
- NPI 1851628283
- Accepts Medicare
- 17 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
200 W Wisconsin Ave
Neenah, WI 549562502
(920) 720-6300
fax (920) 720-6315 - Mailing address
-
1224 E Airport RD
Menasha, WI 549522076
Credentials & registration
- NPI registered
- November 2009 — 17 yrs on file
- Profile last updated
- February 12, 2010
- Year of graduation
- 2009 — 17 yrs since
- Specialty taxonomy
- 111N00000X — NUCC code
- State license (1)
- Wisconsin #4582-12
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851628283. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
232
Distinct HCPCS
1
Medicare allowed
$8,912
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
98941 |
Chiropractic manipulative treatment, 3-4 spinal regions | 232 | 20 | $38 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 166. This provider delivers 1.4× the peer median.Frequently asked questions
What is Dr. Grant O'Brien's medical specialty?
Dr. Grant O'Brien practices Chiropractor in Neenah, WI.
Where does Dr. Grant O'Brien practice?
Dr. Grant O'Brien practices at 200 W Wisconsin Ave, Neenah, WI 549562502. Office phone: 9207206300.
What is Dr. Grant O'Brien's NPI?
Dr. Grant O'Brien's National Provider Identifier (NPI) is 1851628283, issued by NPPES.
Does Dr. Grant O'Brien accept Medicare assignment?
Yes. Dr. Grant O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grant O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.