Doctor profile · Federal record

Dr. Mark Nusbaum, PH.D.

Psychologist (CMS: Clinical Psychologist) · Columbia, MD

  • NPI 1154340636
  • Accepts Medicare
  • 38 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
9841 Broken Land Pkwy Ste 116
Columbia, MD 210463060
(301) 490-0778
fax (410) 672-4011

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 6, 2024
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
103T00000X — NUCC code
State license (1)
Maryland #2675

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1154340636. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
398
Distinct HCPCS
1
Medicare allowed
$39,648
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 398 18 $100

In context: peer comparison

Among 3 peers in Columbia Psychologist, average services per provider: 173. This provider delivers 2.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Nusbaum's medical specialty?
Dr. Mark Nusbaum practices Psychologist in Columbia, MD.
Where does Dr. Mark Nusbaum practice?
Dr. Mark Nusbaum practices at 9841 Broken Land Pkwy Ste 116, Columbia, MD 210463060. Office phone: 3014900778.
What is Dr. Mark Nusbaum's NPI?
Dr. Mark Nusbaum's National Provider Identifier (NPI) is 1154340636, issued by NPPES.
Does Dr. Mark Nusbaum accept Medicare assignment?
Yes. Dr. Mark Nusbaum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Nusbaum commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834). Source: CMS Medicare Physician & Other Practitioners file.