Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Jack Martin Long, PHD

Individual provider Clinical Social Worker · NPI 1447296629

Dr. Jack Martin Long, PHD is a Clinical Social Worker in Catonsville, Maryland. Qualified in 1981, 45 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
45
Licensed in
MD
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

720C Maiden Choice Ln
Catonsville, MD 21228-5940
Phone: (410) 744-5499
Fax: (410) 455-0894
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 03068 (MD)

Record details

NPI number1447296629
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 22, 2006
Last updated in NPPESDecember 12, 2011
Mailing address720 Maiden Choice Ln, Suite C, Catonsville, MD 21228-5940

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Catonsville