NPPES file of Aug 9, 2026

William L. Niedrach, MD

Urology Physician · Medford, NJ

William L. Niedrach, MD is a urology physician with a practice address in Medford, New Jersey, and NPI 1134190820, issued on Jan 30, 2006. Check the license (New Jersey 25MA05931400, as entered in NPPES) on the New Jersey State Board of Medical Examiners; 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
1134190820
Name
William L. Niedrach
Credential
MD
Primary taxonomy
Urology Physician 208800000X
License numbers
25MA05931400 NJ
MD479949 PA
Self-reported in NPPES; status is on the state search
Practice location
11 Roxbury Dr, Medford, NJ 08055
Phone
(609) 304-4337
Enumerated
Jan 30, 2006
Record last updated
Feb 1, 2023
Medicare enrollment
Enrolled (PECOS I20230215001693); accepts Medicare assignment
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 William L. Niedrach in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license 25MA05931400
    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 New Jersey license search

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88% fewer Medicare Part D claims than the average urology physician in 2024

161 Medicare Part D claims for 53 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. William Niedrach161
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl68 claims
  2. Finasteride29 claims
  3. Ciprofloxacin Hcl13 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. Wellspan Medical GroupGettysburg, PA

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

Urology Physician providers in New Jersey

There are 443 urology physician records in New Jersey.

Other urology physician records in New Jersey

  1. Joel AbramowitzJersey City, NJ1356429377
  2. Anika Ackerman, MDMorristown, NJ1326307877
  3. Randy Ackerman, MDCherry Hill, NJ1205893807
  4. Philip Affuso, MDEnglewood, NJ1396827622
  5. Saurabh Agarwal, MDMidland Park, NJ1134292329
  6. David Ahlborn, MDRidgewood, NJ1336534312
  7. Haris Ahmed, M.D.New Brunswick, NJ1063779429
  8. Mutahar Ahmed, MDMaywood, NJ1760451827
  9. Zoubir Akrout, M.D.Salem, NJ1003977968
  10. Samuel Aly, M.D.Shrewsbury, NJ1730574054

Common questions

What is William L. Niedrach, MD's NPI number?

William L. Niedrach, MD's National Provider Identifier (NPI) is 1134190820, issued on Jan 30, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William L. Niedrach, MD located?

The NPPES record lists a practice address at 11 Roxbury Dr, Medford, NJ, 08055. Phone: (609) 304-4337. Providers update this record themselves, so call before visiting.

How can I verify William L. Niedrach, MD's license?

NPPES lists New Jersey license number 25MA05931400, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does William L. Niedrach, MD prescribe under Medicare Part D?

In 2024, William L. Niedrach, MD had 161 Medicare Part D claims for 53 beneficiaries; the average among urology physician prescribers was 1,340. 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.