DR. JOHN JAMES MAHLMANN PH.D., LCSW-C
NPI 1083835524
Social Worker - Clinical in Rockville, MD

Active since May 01, 2007
414 HUNGERFORD DR, SUITE 240, ROCKVILLE, MD 20850(301) 452-2486(301) 340-2060 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. John James Mahlmann Ph.d., Lcsw-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN JAMES MAHLMANN PH.D., LCSW-C (NPI 1083835524) is an individual clinical provider in Rockville, Maryland, licensed in Maryland (07157) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1083835524
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameDR. JOHN JAMES MAHLMANNCredential: PH.D., LCSW-C
Location Address414 HUNGERFORD DR, SUITE 240Rockville, MD 20850-4125
Mailing Address414 Hungerford Dr Ste 240, Suite 240Rockville, MD 20850-4172 · (301) 452-2486 · Fax (301) 340-2060
Fax(301) 340-2060
Sole ProprietorYes
Enumeration DateMay 1, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1083835524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MD · 07157
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
414 HUNGERFORD DR, Rockville, MD 20850

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist (Clinical)
414 HUNGERFORD DR, SUITE 252
ROCKVILLE, MD 20850
Optometrist
414 HUNGERFORD DR, SUITE 100
ROCKVILLE, MD 20850
Optometrist
414 HUNGERFORD DR, #100
ROCKVILLE, MD 20850
Social Worker (Clinical)
414 HUNGERFORD DR, SUITE 224
ROCKVILLE, MD 20850

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Mahlmann's NPI number?

The NPI number for John Mahlmann is 1083835524. It was assigned to this individual provider in the NPPES registry on May 1, 2007.

Where is John Mahlmann located?

John Mahlmann practices at 414 Hungerford Dr Suite 240, Rockville, MD 20850. The listed phone number is (301) 452-2486.

What is John Mahlmann's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for John Mahlmann was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.