NPPES file of Aug 9, 2026

William F. Umhau, M.D.

Emergency Medical Services (Emergency Medicine) Physician · Prince Frederick, MD

William F. Umhau, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Prince Frederick, Maryland, and NPI 1790731420, issued on May 25, 2006. Check the license (Maryland D0033623, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1790731420
Name
William F. Umhau
Credential
M.D.
Primary taxonomy
Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
License number
D0033623 MD
Self-reported in NPPES; status is on the state search
Practice location
100 Hospital RD, Prince Frederick, MD 20678
Phone
(301) 855-1012
Enumerated
May 25, 2006
Record last updated
Jul 13, 2026
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 100 Hospital RD

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

  1. Hamid Anhary, MDAnesthesiology Physician1376515320
  2. Thomas Annulis, MDHospitalist Physician1073589503
  3. Christina Athens, P.A.Medical Physician Assistant1457305682
  4. Sharon Baker, P DPharmacist1528360757
  5. Robin Baranowski, R.N., B.S.N.Registered Nurse1689951568
  6. Natasha Bates, RN BSNRegistered Nurse1881040764

Verify William F. Umhau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0033623    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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11 emergency medical services (emergency medicine) physician records list a practice address in Prince Frederick

They are 11 of the 663 NPPES records with a practice address in Prince Frederick, and 38 emergency medical services (emergency medicine) physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 11 in Prince Frederick → All 38 in Maryland → Every provider in Prince Frederick →

Other emergency medical services (emergency medicine) physician records in Maryland

  1. Marianna Adams, BS, NRP, CCISMForest Hill, MD1831748383
  2. Mohammad Anwar, M.D.Balitmore, MD1114043601
  3. Fermin Barrueto, M.D.Linthicum Heights, MD1548248818
  4. Robert Bass, MDBaltimore, MD1194857797
  5. Frederick Bauer, MDCambridge, MD1164435830
  6. Casey Collins, M.D.Germantown, MD1366777419
  7. Patrick Crarey, M.D.Prince Frederick, MD1427002658
  8. David Denekas, M.D.Prince Frederick, MD1780638965
  9. Brian Desaulniers, MDSalisbury, MD1659532513
  10. Joseph Fastow, M.D.Prince Frederick, MD1578586483

Common questions

What is William F. Umhau, M.D.'s NPI number?

William F. Umhau, M.D.'s National Provider Identifier (NPI) is 1790731420, issued on May 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William F. Umhau, M.D. located?

The NPPES record lists a practice address at 100 Hospital RD, Prince Frederick, MD, 20678. Phone: (301) 855-1012. Providers update this record themselves, so call before visiting.

How can I verify William F. Umhau, M.D.'s license?

NPPES lists Maryland license number D0033623, 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.

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

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.