Doctor profile · Federal record

Dr. Mary McAllen, LCSW-C

Clinical Social Worker · Towson, MD

  • NPI 1902382138
  • Accepts Medicare
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
120 Sister Pierre Dr Ste 403
Towson, MD 21204
(410) 823-6408
fax (443) 279-0537
Additional location
101 W Ridgely RD Ste 8A
Lutherville, MD 210935124
(410) 377-5567

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Profile last updated
September 21, 2021
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State license (1)
Maryland #09879

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902382138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
244
Distinct HCPCS
2
Medicare allowed
$27,404
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 224 20 $111
90791 Psychiatric diagnostic evaluation 20 20 $130

In context: peer comparison

Among 6 peers in Towson Clinical Social Worker, average services per provider: 148. This provider delivers 1.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary McAllen's medical specialty?
Dr. Mary McAllen practices Clinical Social Worker in Towson, MD.
Where does Dr. Mary McAllen practice?
Dr. Mary McAllen practices at 120 Sister Pierre Dr Ste 403, Towson, MD 21204. Office phone: 4108236408.
What is Dr. Mary McAllen's NPI?
Dr. Mary McAllen's National Provider Identifier (NPI) is 1902382138, issued by NPPES.
Does Dr. Mary McAllen accept Medicare assignment?
Yes. Dr. Mary McAllen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary McAllen commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.