NPPES file of Aug 9, 2026

David M. Zwerdling, M.D.

Psychiatry Physician · Kensington, MD

David M. Zwerdling, M.D. is a psychiatry physician with a practice address in Kensington, Maryland, and NPI 1679679609, issued on Sep 16, 2006. Check the license (Maryland D0022742, 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
1679679609
Name
David M. Zwerdling
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
D0022742 MD
Self-reported in NPPES; status is on the state search
Practice location
10112 Kensington Pkwy, Kensington, MD 20895
Phone
(301) 587-3430
Enumerated
Sep 16, 2006
Record last updated
Aug 2, 2022
Fax
(301) 587-5378
Medicaid ID
547241500 MD
Medicare enrollment
Enrolled (PECOS I20120807000220); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 1975
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify David M. Zwerdling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0022742
    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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75% fewer Medicare Part D claims than the average psychiatry physician in 2024

246 Medicare Part D claims for 22 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. David Zwerdling246
  2. Specialty average1,000

Most prescribed

  1. Bupropion Xl31 claims
  2. Venlafaxine Hcl Er25 claims
  3. Mirtazapine20 claims
  4. Dexmethylphenidate Hcl Er19 claims
  5. Clonazepam16 claims
  6. Quetiapine Fumarate15 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.

David M. Zwerdling among 1,451 psychiatry physician records in Maryland

David M. Zwerdling, M.D. is one of 1,451 psychiatry physician records with a practice address in Maryland. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 36% of these records are
  • Graduated1975 · median 2000 among the 525 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

12 psychiatry physician records list a practice address in Kensington

They are 12 of the 686 NPPES records with a practice address in Kensington, and 1,451 psychiatry physician records in Maryland.

The 8 psychiatry physician records with the nearest ZIP codes

  1. Robert Blum, M.D.Kensington, MD 208951528283207
  2. James Cooper, MDKensington, MD 208951639279144
  3. David Greenblum, MDKensington, MD 208951467462713
  4. Karl Hawver, M.D.Kensington, MD 208951437152758
  5. Henry Holcomb, M.D.Kensington, MD 208951225110075
  6. Michael Horan, MDKensington, MD 208951215098728
  7. Balbinder Kaur, MDKensington, MD 208951659439578
  8. Lisa McCurry, M.D.Kensington, MD 208951679639173

Common questions

What is David M. Zwerdling, M.D.'s NPI number?

David M. Zwerdling, M.D.'s National Provider Identifier (NPI) is 1679679609, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David M. Zwerdling, M.D. located?

The NPPES record lists a practice address at 10112 Kensington Pkwy, Kensington, MD, 20895. Phone: (301) 587-3430. Providers update this record themselves, so call before visiting.

How can I verify David M. Zwerdling, M.D.'s license?

NPPES lists Maryland license number D0022742, 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 David M. Zwerdling, M.D. prescribe under Medicare Part D?

In 2024, David M. Zwerdling, M.D. had 246 Medicare Part D claims for 22 beneficiaries; the average among psychiatry physician prescribers was 1,000. 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.