William B. Felegi, DO
Emergency Medicine Physician · Morristown, NJ
William B. Felegi, DO is an emergency medicine physician with a practice address in Morristown, New Jersey, and NPI 1760408918, issued on Jul 14, 2006. Check the license (New Jersey 25MB05562100, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William B. Felegi
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MB05562100 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 100 Madison Ave, Morristown, NJ 07960
- Phone
- (973) 971-7973
- Enumerated
- Jul 14, 2006
- Record last updated
- Apr 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180430001649); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 1989
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 100 Madison Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karen AbboudDentist1659121259
- Omar Abdelfattah, MBBCHStudent in an Organized Health Care Education/Training Program1003444167
- Ahmed Abdelhalim, MDInternal Medicine Physician1104386051
- Bavly Abdelmesih, MDStudent in an Organized Health Care Education/Training Program1932901378
- Fatema Abdulhussein, MDStudent in an Organized Health Care Education/Training Program1235514274
- Arkadiy Abkin, MDAnesthesiology Physician1316928666
Verify William B. Felegi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MB05562100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average emergency medicine physician in 2024
490 Medicare Part D claims for 196 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Azithromycin79 claims
- Atovaquone-Proguanil Hcl39 claims
- Tamsulosin Hcl21 claims
- Atorvastatin Calcium17 claims
- Amlodipine Besylate12 claims
- Gabapentin12 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.
One hospital affiliation
- Van Buren County HospitalKeosauqua, IA · Critical Access Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
William B. Felegi among 1,754 emergency medicine physician records in New Jersey
William B. Felegi, DO is one of 1,754 emergency medicine physician records with a practice address in New Jersey. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 61% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1989 · median 2011 among the 1,167 with a school on file
- Record last updated2008 · 55% 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 New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
84 emergency medicine physician records list a practice address in Morristown
They are 84 of the 2,942 NPPES records with a practice address in Morristown, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Morristown → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Marilyn Althoff, M.D.Morristown, NJ 079601013966217
- Christopher Amato, MDMorristown, NJ 079601407897721
- Jaroslaw Bilaniuk, MDMorristown, NJ 079601295700417
- Glenn Birnbaum, MDMorristown, NJ 079601679517395
- Dennis Cochrane, M.D.Morristown, NJ 079601922057132
- Louis Difazio, MDMorristown, NJ 079601376510032
- Frederick Fiesseler, D.O.Morristown, NJ 079601033177415
- Michael Gerardi, MDMorristown, NJ 079601194763425
Common questions
What is William B. Felegi, DO's NPI number?
William B. Felegi, DO's National Provider Identifier (NPI) is 1760408918, issued on Jul 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William B. Felegi, DO located?
The NPPES record lists a practice address at 100 Madison Ave, Morristown, NJ, 07960. Phone: (973) 971-7973. Providers update this record themselves, so call before visiting.
How can I verify William B. Felegi, DO's license?
NPPES lists New Jersey license number 25MB05562100, 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 B. Felegi, DO prescribe under Medicare Part D?
In 2024, William B. Felegi, DO had 490 Medicare Part D claims for 196 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.