DR. STEPHEN J. GAENG PHD
NPI 1437157658
Psychologist - Clinical in Columbia, MD

Active since July 12, 2005Opted out of Medicare · through Jan 1, 2027
10784 HICKORY RIDGE RD, COLUMBIA, MD 21044(410) 964-0425(410) 964-0515 Get Directions Write a Review

NPPES record last updated: September 26, 2012. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Stephen J. Gaeng Phd NPPES

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

DR. STEPHEN J. GAENG PHD (NPI 1437157658) is an individual clinical provider in Columbia, Maryland, licensed in Maryland (1869) and active in the NPI registry since July 2005. He has opted out of Medicare through January 1, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1437157658
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. STEPHEN J. GAENGCredential: PHD
Location Address10784 HICKORY RIDGE RDColumbia, MD 21044-3646
Mailing Address10784 Hickory Ridge RdColumbia, MD 21044-3646 · (410) 964-0425 · Fax (410) 964-0515
Fax(410) 964-0515
Sole ProprietorYes
Enumeration DateJuly 12, 2005
Last NPPES UpdateSeptember 26, 2012
NPI 1437157658 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License Licensed in MD · 1869
Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

10784 HICKORY RIDGE RD, Columbia, MD 21044

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Stephen J. Gaeng Phd has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2017 through January 1, 2027.

Opt-Out Effective DateJanuary 1, 2017
Opt-Out In Effect ThroughJanuary 1, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 21044 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$183.44 typical visit price
range $60.73 – $183.44
Typical copayment $45.86 (range $15.18 – $45.86)
Most-billed visit code 99205
Established Patient
$106.59 typical visit price
range $19.60 – $149.17
Typical copayment $26.64 (range $4.90 – $37.29)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

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

Counselor (Mental Health)
10784 HICKORY RIDGE RD, CROSSROADS PSYCHOLOGICAL ASSOCIATES
COLUMBIA, MD 21044
Psychologist (Clinical)
10784 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychologist (Clinical)
10784 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychologist (Clinical)
10784 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychologist
10784 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychologist (Clinical)
10784 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychiatry & Neurology (Psychiatry)
10784 HICKORY RIDGE RD
COLUMBIA, MD 21044
Psychologist
10784 HICKORY RIDGE RD
COLUMBIA, MD 21044

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 Stephen Gaeng's NPI number?

The NPI number for Stephen Gaeng is 1437157658. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is Stephen Gaeng located?

Stephen Gaeng practices at 10784 Hickory Ridge Rd, Columbia, MD 21044. The listed phone number is (410) 964-0425.

What is Stephen Gaeng's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Stephen Gaeng enrolled in Medicare?

No. Stephen Gaeng has opted out of Medicare through January 1, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Stephen Gaeng was last updated on September 26, 2012. NPI Profile syncs with the weekly NPPES data releases published by CMS.