Registry data as of Aug 27, 2026

Karen Wirth

Family Nurse Practitioner · Waldorf, MD

Karen Wirth is a family nurse practitioner with a practice address in Waldorf, Maryland, and NPI 1720553506, issued on Oct 9, 2018. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720553506
Name
Karen Wirth
Primary taxonomy
Family Nurse Practitioner 363LF0000X
Practice location
3581 Old Washington RD, Waldorf, MD 20602
Phone
(301) 638-4400
Enumerated
Oct 9, 2018
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 3581 Old Washington RD

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

  1. Cecelia Gramsky, CRNPNurse Practitioner1073686358
  2. Amanda LeeNurse Practitioner1265855027

Verify Karen Wirth in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck 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
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

99% fewer Medicare Part D claims than the average family nurse practitioner in 2024

15 Medicare Part D claims for 11 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Karen Wirth15
  2. Specialty average1,302

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.

40 family nurse practitioner records list a Waldorf practice address

They are 40 of the 1,272 NPPES records with a Waldorf practice address, and 3,908 family nurse practitioner records in Maryland.

Other family nurse practitioner records in Maryland

  1. Kanisha AaronOwings Mills, MD1518565324
  2. Nicole Aaron, CRNPQueenstown, MD1538916093
  3. Naomi Abaga, CRNPBaltimore, MD1871054494
  4. Kristen Abbott, CRNPBerlin, MD1700597382
  5. Mark Abbott, FNPElkridge, MD1013452549
  6. Nabila Abdulwahab, CRNPBowie, MD1629341375
  7. Leila Abedi, CRNP-FGaithersburg, MD1699091603
  8. Hayat Aberra, NP-CEdgewater, MD1295275774
  9. Pamela Abina, CRNPColumbia, MD1154709335
  10. Ifedayo Abiola-Matthew, CRNPBaltimore, MD1033781117

Common questions

What is Karen Wirth's NPI number?

Karen Wirth's National Provider Identifier (NPI) is 1720553506, issued on Oct 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Karen Wirth located?

The NPPES record lists a practice address at 3581 Old Washington RD, Waldorf, MD, 20602. Phone: (301) 638-4400. Providers update this record themselves, so call before visiting.

How can I verify Karen Wirth's license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Karen Wirth prescribe under Medicare Part D?

In 2024, Karen Wirth had 15 Medicare Part D claims for 11 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.