NPPES file of Aug 9, 2026

William J. Weir, CRNA

Certified Registered Nurse Anesthetist · Darby, PA

William J. Weir, CRNA is a certified registered nurse anesthetist with a practice address in Darby, Pennsylvania, and NPI 1780682427, issued on Jul 7, 2005. Check the license (Pennsylvania RN276903L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1780682427
Name
William J. Weir
Credential
CRNA
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License number
RN276903L PA
Self-reported in NPPES; status is on the state search
Practice location
1500 Lansdowne Ave, Darby, PA 19023
Phone
(856) 423-7700
Enumerated
Jul 7, 2005
Record last updated
Jun 12, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(856) 423-0823
Medicaid ID
00184622 PA
Medicare enrollment
Enrolled (PECOS I20060928000077); 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.
Download card Updates feed

Also registered at 1500 Lansdowne Ave

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

  1. Mubarak AbdallaStudent in an Organized Health Care Education/Training Program1568045425
  2. Abul Hasan Shadali Abdul KhaderStudent in an Organized Health Care Education/Training Program1356131676
  3. Aisha Abdul Sattar, MDHospitalist Physician1841872280
  4. Reshma Abey, MDStudent in an Organized Health Care Education/Training Program1164362992
  5. Maham AfzalStudent in an Organized Health Care Education/Training Program1831032945
  6. Joshika Agarwal, MDStudent in an Organized Health Care Education/Training Program1598469108

Verify William J. Weir in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license RN276903L
    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
Find the Pennsylvania 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through 2 group practices

  1. Anesthesia Specialists OF Bethlehem PCBethlehem, PA
  2. United Anesthesia Services PCBryn Mawr, PA

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

William J. Weir among 4,822 certified registered nurse anesthetist records in Pennsylvania

William J. Weir, CRNA is one of 4,822 certified registered nurse anesthetist records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1995 · median 2012 among the 3,576 with a school on file
  • Record last updated2017 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 certified registered nurse anesthetist records list a practice address in Darby

They are 16 of the 465 NPPES records with a practice address in Darby, and 4,822 certified registered nurse anesthetist records in Pennsylvania.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Marie Bartling, CRNADarby, PA 190231972547966
  2. Allison Bishof, CRNADarby, PA 190231396767711
  3. Judith Boudwin, CRNADarby, PA 190231578591046
  4. Catherine Brennan, CRNADarby, PA 190231205858628
  5. Craig Carpenter, CRNADarby, PA 190231013944123
  6. Albert Dempsey, CRNADarby, PA 190231871546168
  7. Lorraine Donatelli, CRNADarby, PA 190231487682951
  8. Michael Ford, CRNADarby, PA 190231003850546

Common questions

What is William J. Weir, CRNA's NPI number?

William J. Weir, CRNA's National Provider Identifier (NPI) is 1780682427, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is William J. Weir, CRNA located?

The NPPES record lists a practice address at 1500 Lansdowne Ave, Darby, PA, 19023. Phone: (856) 423-7700. Providers update this record themselves, so call before visiting.

How can I verify William J. Weir, CRNA's license?

NPPES lists Pennsylvania license number RN276903L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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.