NPPES file of Aug 9, 2026

John Anthony Lapczynski, D.O.

Emergency Medicine Physician · Annapolis, MD

John Anthony Lapczynski, D.O. is an emergency medicine physician with a practice address in Annapolis, Maryland, and NPI 1780947804, issued on Jun 22, 2012. Check the license (Maryland H80870, 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
1780947804
Name
John Anthony Lapczynski
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
H80870 MD
Self-reported in NPPES; status is on the state search
Practice location
2001 Medical Pkwy, Annapolis, MD 21401
Phone
(443) 481-1293
Enumerated
Jun 22, 2012
Record last updated
Dec 22, 2023
Medicare enrollment
Enrolled (PECOS I20160921000939); accepts Medicare assignment
Medical or professional school
University Of New England, College Of Osteo Medicine, 2012
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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Also registered at 2001 Medical Pkwy

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

  1. Moustafa Abou Areda, MDDiagnostic Radiology Physician1265978639
  2. Harsha Adnani, MDNephrology Physician1437738838
  3. Gashaw Adugna, M.DInternal Medicine Physician1003342346
  4. Nirav AgrawalGeriatric Medicine (Internal Medicine) Physician1497496921
  5. Semab Ahmad, M.D.Internal Medicine Physician1588082580
  6. Afshan AhmedInternal Medicine Physician1700312675

Verify John Anthony Lapczynski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license H80870
    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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52% fewer Medicare Part D claims than the average emergency medicine physician in 2024

108 Medicare Part D claims for 83 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 22 claims were for opioids.

  1. John Lapczynski108
  2. Specialty average226

Most prescribed

  1. Oxycodone Hcl17 claims
  2. Cefdinir12 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.

Bills Medicare through one group practice

  1. Doctors Emergency Service, PAAnnapolis, MD

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Anthony Lapczynski among 1,190 emergency medicine physician records in Maryland

John Anthony Lapczynski, D.O. is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.

  • NPI issued2012 · 65% of these records are older, 32% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2012 · median 2010 among the 571 with a school on file
  • Record last updated2023 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in Maryland

There are 1,190 emergency medicine physician records in Maryland.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Robert Corder, MDAnnapolis, MD 214011861436156
  2. Robert Desverreaux, M.D.,PH.D.Annapolis, MD 214011851391296
  3. Dina Esterowitz, M.D.Annapolis, MD 214011700990975
  4. Lee Goodman, MDAnnapolis, MD 214011093752008
  5. Frederick Goodwin, M.D.Annapolis, MD 214011164536355
  6. Kenneth Gummerson, M.D.Annapolis, MD 214011811001175
  7. Joseph Halpern, M.D.Annapolis, MD 214011164536447
  8. Robert Heller, M.D.Annapolis, MD 214011235243528

Common questions

What is John Anthony Lapczynski, D.O.'s NPI number?

John Anthony Lapczynski, D.O.'s National Provider Identifier (NPI) is 1780947804, issued on Jun 22, 2012. An NPI identifies a provider in billing; it is not a license.

Where is John Anthony Lapczynski, D.O. located?

The NPPES record lists a practice address at 2001 Medical Pkwy, Annapolis, MD, 21401. Phone: (443) 481-1293. Providers update this record themselves, so call before visiting.

How can I verify John Anthony Lapczynski, D.O.'s license?

NPPES lists Maryland license number H80870, 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 John Anthony Lapczynski, D.O. prescribe under Medicare Part D?

In 2024, John Anthony Lapczynski, D.O. had 108 Medicare Part D claims for 83 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.