Doctor profile · Federal record
Dr. Mary Johnson, LCSW CSW Pip Qmnp
Social Worker (CMS: Clinical Social Worker) · Social Worker · Watertown, SD
- NPI 1598848921
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1103 Jenson Ave Se
Watertown, SD 572015259
(605) 878-1234
fax (605) 878-2211
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- May 6, 2022
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 104100000X — NUCC code
- State licenses (2)
- South Dakota #CSW PIP 1991 · South Dakota #LCSW 1557
- Medicaid
- SD #6571100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1598848921. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
239
Distinct HCPCS
1
Medicare allowed
$24,480
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 239 | 26 | $102 |
In context: peer comparison
Among 1 peers in Watertown Social Worker, average services per provider: 239. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Mary Johnson's medical specialty?
Dr. Mary Johnson practices Social Worker in Watertown, SD.
Where does Dr. Mary Johnson practice?
Dr. Mary Johnson practices at 1103 Jenson Ave Se, Watertown, SD 572015259. Office phone: 6058781234.
What is Dr. Mary Johnson's NPI?
Dr. Mary Johnson's National Provider Identifier (NPI) is 1598848921, issued by NPPES.
Does Dr. Mary Johnson accept Medicare assignment?
Yes. Dr. Mary Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Johnson commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.