Doctor profile · Federal record
Dr. Mary Holzinger, LCSW-C, Ceap
Clinical Social Worker · New Market, MD
- NPI 1497805808
- Accepts Medicare
- 36 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
164 W Main St, Suite A
New Market, MD 21774
(301) 865-2226 - Mailing address
-
6040 Douglas Ave
New Market, MD 217746264
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 1041C0700X — NUCC code
- State license (1)
- Maryland #10889
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497805808. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
96
Distinct HCPCS
2
Medicare allowed
$10,658
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
90837 |
Psychotherapy, 1 hour | 81 | 15 | $108 | |
90791 |
Psychiatric diagnostic evaluation | 15 | 15 | $125 |
In context: peer comparison
Among 2 peers in New Market Clinical Social Worker, average services per provider: 38. This provider delivers 2.5× the peer median.Frequently asked questions
What is Dr. Mary Holzinger's medical specialty?
Dr. Mary Holzinger practices Clinical Social Worker in New Market, MD.
Where does Dr. Mary Holzinger practice?
Dr. Mary Holzinger practices at 164 W Main St, New Market, MD 21774. Office phone: 3018652226.
What is Dr. Mary Holzinger's NPI?
Dr. Mary Holzinger's National Provider Identifier (NPI) is 1497805808, issued by NPPES.
Does Dr. Mary Holzinger accept Medicare assignment?
Yes. Dr. Mary Holzinger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Holzinger commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.