NPPES file of Aug 9, 2026

Joan Leidy Bielefeld, M.D.

Child & Adolescent Psychiatry Physician · Towson, MD

Joan Leidy Bielefeld, M.D. is a child & adolescent psychiatry physician with a practice address in Towson, Maryland, and NPI 1356463764, issued on Apr 5, 2007. Check the license (Maryland D0028192, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1356463764
Name
Joan Leidy Bielefeld
Credential
M.D.
Primary taxonomy
Child & Adolescent Psychiatry Physician 2084P0804X
License number
D0028192 MD
Self-reported in NPPES; status is on the state search
Practice location
1122 Kenilworth Dr, Towson, MD 21204
Phone
(410) 823-1600
Enumerated
Apr 5, 2007
Record last updated
Sep 11, 2025
Fax
(410) 823-0593
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1122 Kenilworth Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jessica Bosse, M.S.Counselor1689120677
  2. Brooke Chapman, RDN, LDNRegistered Dietitian1831643204
  3. Maciej Chodynicki, MDPsychiatry Physician1528092533
  4. Arnold Dellon, M.D.Specialist1629096771
  5. Phyllis Foote, MAMental Health Counselor1285117739
  6. Linda Franz, LCSW-CClinical Social Worker1811331002

Verify Joan Leidy Bielefeld in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0028192
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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59% fewer Medicare Part D claims than the average child & adolescent psychiatry physician in 2024

208 Medicare Part D claims for 16 beneficiaries, against an average of 504 among the 3,545 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Joan Bielefeld208
  2. Specialty average504

Most prescribed

  1. Dextroamphetamine-Amphetamine21 claims
  2. Escitalopram Oxalate21 claims
  3. Lamotrigine20 claims
  4. Duloxetine Hcl19 claims
  5. Bupropion Xl16 claims
  6. Clonazepam15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Child & Adolescent Psychiatry Physician providers in Maryland

There are 257 child & adolescent psychiatry physician records in Maryland.

Other child & adolescent psychiatry physician records in Maryland

  1. Gathi Abraham, M.D., M.P.H.Bethesda, MD1629411368
  2. Afifa Adiba, MDTowson, MD1225480031
  3. Khalid Ahmed, MDSalisbury, MD1033254115
  4. Adefolake AkinsanyaBaltimore, MD1316353816
  5. Carlin Alleyne, M.D.Baltimore, MD1376504514
  6. Tahani Alqassem, M.DTowson, MD1487819991
  7. Loren Amdursky, M.D.Chevy Chase, MD1982823977
  8. Jason AnthesBethesda, MD1609300128
  9. Thomas Applin, MDChevy Chase, MD1063598498
  10. Patricia Assan, M.D.Columbia, MD1114086972

Common questions

What is Joan Leidy Bielefeld, M.D.'s NPI number?

Joan Leidy Bielefeld, M.D.'s National Provider Identifier (NPI) is 1356463764, issued on Apr 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Joan Leidy Bielefeld, M.D. located?

The NPPES record lists a practice address at 1122 Kenilworth Dr, Towson, MD, 21204. Phone: (410) 823-1600. Providers update this record themselves, so call before visiting.

How can I verify Joan Leidy Bielefeld, M.D.'s license?

NPPES lists Maryland license number D0028192, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joan Leidy Bielefeld, M.D. prescribe under Medicare Part D?

In 2024, Joan Leidy Bielefeld, M.D. had 208 Medicare Part D claims for 16 beneficiaries; the average among child & adolescent psychiatry physician prescribers was 504. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.