NPPES file of Aug 9, 2026

Amy Zerden, MD

Emergency Medicine Physician · Leonardtown, MD

Amy Zerden, MD is an emergency medicine physician with a practice address in Leonardtown, Maryland, and NPI 1184129942, issued on Mar 26, 2018. Check the license (Maryland D0091573, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184129942
Name
Amy Zerden
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
D0091573 MD
Self-reported in NPPES; status is on the state search
Practice location
25500 Point Lookout RD, Leonardtown, MD 20650
Phone
(301) 475-8981
Enumerated
Mar 26, 2018
Record last updated
Oct 16, 2025
Medicare enrollment
Enrolled (PECOS I20210622001520); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2018
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 25500 Point Lookout RD

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

  1. Avery Alatis, MDEmergency Medicine Physician1992201438
  2. Riyaz Ali, M.D.Anesthesiology Physician1063683217
  3. Rihanat AyantayoPediatrics Physician1912639014
  4. Ami Bhavsar-Cohn, MSN, FNP-BCFamily Nurse Practitioner1427454958
  5. Michael Botticelli, M.D.Obstetrics Physician1962439273
  6. Stacia Brandenburg, PA-CPhysician Assistant1063793222

Verify Amy Zerden in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0091573
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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29% more Medicare Part D claims than the average emergency medicine physician in 2024

291 Medicare Part D claims for 191 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 16 claims were for opioids.

  1. Amy Zerden291
  2. Specialty average226

Most prescribed

  1. Amoxicillin-Clavulanate Potass31 claims
  2. Azelastine Hcl25 claims
  3. Cefdinir21 claims
  4. Naproxen16 claims
  5. Albuterol Sulfate Hfa12 claims
  6. Prednisone12 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 96 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.5
  2. Costout of 100 · 30%74.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Kaiser Foundation Health Plan OF The Mid Atlantic States, IncKensington, MD

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

Amy Zerden among 1,190 emergency medicine physician records in Maryland

Amy Zerden, MD 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 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated2018 · median 2010 among the 571 with a school on file
  • Record last updated2025 · 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).

14 emergency medicine physician records list a practice address in Leonardtown

They are 14 of the 471 NPPES records with a practice address in Leonardtown, and 1,190 emergency medicine physician records in Maryland.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Avery Alatis, MDLeonardtown, MD 206501992201438
  2. Alexandra Campbell, M.D.Leonardtown, MD 206501467895284
  3. James DamaloujiLeonardtown, MD 206501023042694
  4. Jasmine Gentry, MDLeonardtown, MD 206501194304550
  5. James McQuiston, M.D.Leonardtown, MD 206501326071994
  6. Jennifer McQuiston, MDLeonardtown, MD 206501740214261
  7. Peter PrenticeLeonardtown, MD 206501194759647
  8. Lars Reinhart, M.D.Leonardtown, MD 206501972509008

Common questions

What is Amy Zerden, MD's NPI number?

Amy Zerden, MD's National Provider Identifier (NPI) is 1184129942, issued on Mar 26, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Amy Zerden, MD located?

The NPPES record lists a practice address at 25500 Point Lookout RD, Leonardtown, MD, 20650. Phone: (301) 475-8981. Providers update this record themselves, so call before visiting.

How can I verify Amy Zerden, MD's license?

NPPES lists Maryland license number D0091573, 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 Amy Zerden, MD prescribe under Medicare Part D?

In 2024, Amy Zerden, MD had 291 Medicare Part D claims for 191 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is Amy Zerden, MD's MIPS final score?

The 2023 MIPS final score is 96 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.