Doctor profile · Federal record
Dr. Sylvia Mahr, LCSW
Clinical Social Worker · Hamilton, MT
- NPI 1215944335
- Accepts Medicare
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
258 Roosevelt Ln
Hamilton, MT 598403326
(406) 370-8341 - Mailing address
-
Po Box 196
Corvallis, MT 598280196
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- Montana #584
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1215944335. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
215
Distinct HCPCS
1
Medicare allowed
$23,334
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 215 | 16 | $109 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 206. This provider delivers 1.0× the peer median.Frequently asked questions
What is Dr. Sylvia Mahr's medical specialty?
Dr. Sylvia Mahr practices Clinical Social Worker in Hamilton, MT.
Where does Dr. Sylvia Mahr practice?
Dr. Sylvia Mahr practices at 258 Roosevelt Ln, Hamilton, MT 598403326. Office phone: 4063708341.
What is Dr. Sylvia Mahr's NPI?
Dr. Sylvia Mahr's National Provider Identifier (NPI) is 1215944335, issued by NPPES.
Does Dr. Sylvia Mahr accept Medicare assignment?
Yes. Dr. Sylvia Mahr accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sylvia Mahr commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.