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DR. JOAN LEIDY BIELEFELD M.D.
NPI 1356463764
Psychiatry & Neurology - Child & Adolescent Psychiatry in Towson, MD

Active since April 05, 2007Opted out of Medicare · through Jan 16, 2027
1122 KENILWORTH DR, SUITE 315, TOWSON, MD 21204(410) 823-1600(410) 823-0593 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Joan Leidy Bielefeld M.d. NPPES

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

DR. JOAN LEIDY BIELEFELD M.D. (NPI 1356463764) is an individual child & adolescent psychiatry provider in Towson, Maryland, licensed in Maryland (D0028192) and active in the NPI registry since April 2007. She has opted out of Medicare through January 16, 2027.

NPPES Registry Identity

NPI1356463764
Entity TypeIndividualFemale
Primary Taxonomy2084P0804X
Provider Legal NameDR. JOAN LEIDY BIELEFELDCredential: M.D.
Location Address1122 KENILWORTH DR, SUITE 315Towson, MD 21204-2139
Mailing Address1122 Kenilworth Dr, Suite 315Towson, MD 21204-2139 · (410) 823-1600 · Fax (410) 823-0593
Phone(410) 823-1600
Fax(410) 823-0593
Sole ProprietorYes
Enumeration DateApril 5, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1356463764 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in MD · D0028192
Definition

Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Also ListedPsychiatry & Neurology · PsychiatryTaxonomy 2084P0800X · License D0028192 (MD)
1122 KENILWORTH DR, Towson, MD 21204
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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. Joan Leidy Bielefeld M.d. 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 16, 2015 through January 16, 2027.

Opt-Out Effective DateJanuary 16, 2015
Opt-Out In Effect ThroughJanuary 16, 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.

Other Providers at the Same Location NPPES 20

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

KIMBERLY ANN HARVANEK M.A.
Counselor
1122 KENILWORTH DR
TOWSON, MD 21204
Baltimore County (443) 841-7785
DR. RICHARD J HALPIN PHD
Psychologist
1122 KENILWORTH DR, THE EXCHANGE SUITE 202
TOWSON, MD 21204
Baltimore County (410) 583-0221
BARBARA ROGERS CRNA
Nurse Anesthetist, Certified Registered
1122 KENILWORTH DR, SUITE 317
TOWSON, MD 21204
Baltimore County (410) 296-4616
THE RENFREW CENTER
Dietitian, Registered
1122 KENILWORTH DR, SUITE 105
TOWSON, MD 21204
Baltimore County (443) 841-7785
BRITTANY TROEN MA, R-DMT
Counselor
1122 KENILWORTH DR, SUITE 105
TOWSON, MD 21204
Baltimore County (443) 841-7785
PHYLLIS ELIZABETH FOOTE MA
Counselor (Mental Health)
1122 KENILWORTH DR
TOWSON, MD 21204
Baltimore County (443) 841-7785
PATRICIA M WOOD CRNA
Nurse Anesthetist, Certified Registered
1122 KENILWORTH DR, SUITE 317
TOWSON, MD 21204
Baltimore County (410) 296-4616
EYE SURGICALCENTER ASSOCIATES OF BALTIMORE
Clinic/Center (Ambulatory Surgical)
1122 KENILWORTH DR, SUITE 18
TOWSON, MD 21204
Baltimore County (410) 321-4400

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 Joan Bielefeld's NPI number?

The NPI number for Joan Bielefeld is 1356463764. It was assigned to this individual provider in the NPPES registry on April 5, 2007.

Where is Joan Bielefeld located?

Joan Bielefeld practices at 1122 Kenilworth Dr Suite 315, Towson, MD 21204. The listed phone number is (410) 823-1600.

What is Joan Bielefeld's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Joan Bielefeld enrolled in Medicare?

No. Joan Bielefeld has opted out of Medicare through January 16, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Joan Bielefeld was last updated on September 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.