Doctor profile · Federal record
Dr. Louis Gallagher, PH.D.
Psychologist (CMS: Clinical Psychologist) · Psychologist · Chapin, SC
- NPI 1851303861
- Accepts Medicare
- 45 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
2101 Dutch Fork RD
Chapin, SC 290367576
(910) 338-2885
fax (864) 626-0412 - Additional location
-
22 Lawrence Ave, Suite 213
Smithtown, NY 117873619
(631) 265-0877
fax (631) 265-0879 - Mailing address
-
Po Box 538622
Atlanta, GA 303538622
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- March 1, 2022
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 103T00000X — NUCC code
- State licenses (2)
- South Carolina #1380 · New York #007269
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851303861. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,160
Distinct HCPCS
5
Medicare allowed
$102,371
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 519 | 48 | $141 | |
90785 |
Psychiatric services complicated by communication factor | 434 | 60 | $14 | |
90834 |
Psychotherapy, 45 minutes | 100 | 34 | $96 | |
90791 |
Psychiatric diagnostic evaluation | 58 | 58 | $168 | |
90832 |
Psychotherapy, 30 minutes | 49 | 27 | $73 |
In context: peer comparison
Among 2 peers in Chapin Psychologist, average services per provider: 272. This provider delivers 4.3× the peer median.Frequently asked questions
What is Dr. Louis Gallagher's medical specialty?
Dr. Louis Gallagher practices Psychologist in Chapin, SC.
Where does Dr. Louis Gallagher practice?
Dr. Louis Gallagher practices at 2101 Dutch Fork RD, Chapin, SC 290367576. Office phone: 9103382885.
What is Dr. Louis Gallagher's NPI?
Dr. Louis Gallagher's National Provider Identifier (NPI) is 1851303861, issued by NPPES.
Does Dr. Louis Gallagher accept Medicare assignment?
Yes. Dr. Louis Gallagher accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Gallagher commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric services complicated by communication factor (HCPCS 90785); Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.