Doctor profile · Federal record
Dr. John O'Brien, LCSW-C
Clinical Social Worker · Frederick, MD
- NPI 1700137940
- Accepts Medicare
- 24 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
198 Thomas Johnson Dr, Ste 9
Frederick, MD 217024443
(301) 208-8900
fax (301) 208-8369
Credentials & registration
- NPI registered
- September 2012 — 14 yrs on file
- Profile last updated
- September 7, 2017
- Year of graduation
- 2002 — 24 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- Maryland #14829
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1700137940. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
401
Distinct HCPCS
1
Medicare allowed
$47,623
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 401 | 14 | $119 |
In context: peer comparison
Among 12 peers in Frederick Clinical Social Worker, average services per provider: 130. This provider delivers 3.1× the peer median.Frequently asked questions
What is Dr. John O'Brien's medical specialty?
Dr. John O'Brien practices Clinical Social Worker in Frederick, MD.
Where does Dr. John O'Brien practice?
Dr. John O'Brien practices at 198 Thomas Johnson Dr, Frederick, MD 217024443. Office phone: 3012088900.
What is Dr. John O'Brien's NPI?
Dr. John O'Brien's National Provider Identifier (NPI) is 1700137940, issued by NPPES.
Does Dr. John O'Brien accept Medicare assignment?
Yes. Dr. John O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.