Physician Profile
Unclaimed ProfileAbout NUSBAUM
Mark Nathaniel Nusbaum, PhD is a clinical psychologist practising in Columbia, MD. Mark is also listed as specialising in psychologist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Nusbaum's specialty?
Dr. Nusbaum is a clinical psychologist in Columbia, MD. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CLINICAL PSYCHOLOGIST”.
NPI registry
Where can I find Dr. Nusbaum?
Dr. Nusbaum is listed at 9841 BROKEN LAND PKWY STE 116, Columbia, MD 21046. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Nusbaum?
The number on file is (301) 490-0778. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Nusbaum's NPI number?
Dr. Nusbaum's National Provider Identifier is 1154340636. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Dr. Nusbaum's medical education?
Dr. Nusbaum attended Other, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Nusbaum been practising?
Dr. Nusbaum has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Nusbaum known for?
According to Medicare billing data, Dr. Nusbaum provides treatments such as psychotherapy, 45 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Nusbaum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Nusbaum. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (301) 490-0778
- Email not available
Practice Locations
9841 BROKEN LAND PKWY STE 116
Columbia, MD 21046
Procedures Most Often Billed to Medicare
394 services · 17 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
394 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other clinical psychologists in Columbia 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1988 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 45 minutes 8
Providers in MD who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.