William Vonroth, MD
Orthopaedic Surgery Physician · Montclair, NJ
William Vonroth, MD is an orthopaedic surgery physician with a practice address in Montclair, New Jersey, and NPI 1215902317, issued on Feb 22, 2006. Check the license (New Jersey MA25956, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Vonroth
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- MA25956 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 316 Claremont Ave, Montclair, NJ 07042
- Phone
- (973) 783-6363
- Enumerated
- Feb 22, 2006
- Record last updated
- Dec 3, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (973) 783-0609
- Medicaid ID
- 2903806 NJ
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 690 in New Jersey → Look up another NPI →
Verify William Vonroth 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 MA25956Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
11 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
William Vonroth among 690 orthopaedic surgery physician records in New Jersey
William Vonroth, MD is one of 690 orthopaedic surgery physician records with a practice address in New Jersey. 80% 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 12% of them.
- NPI issued2006 · 12% of these records are older, 42% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2010 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in New Jersey
There are 690 orthopaedic surgery physician records in New Jersey.
All 690 in New Jersey → Every provider in Montclair → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Joseph Bellapianta, MDMontclair, NJ 070421588823165
- Louis Day, M.D.Montclair, NJ 070421922532647
- Siddharth Mahure, MD, MBAMontclair, NJ 070421346696499
- John Mendes, M.D.Montclair, NJ 070421558434803
- Cornelius Nicoll, M.D.Montclair, NJ 070421548364581
- Gary Rombough, MDMontclair, NJ 070421700860509
- Jerald Vizzone, D.O.Montclair, NJ 070421861617623
- Howard Blank, MDMillburn, NJ 070411992763999
Common questions
What is William Vonroth, MD's NPI number?
William Vonroth, MD's National Provider Identifier (NPI) is 1215902317, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Vonroth, MD located?
The NPPES record lists a practice address at 316 Claremont Ave, Montclair, NJ, 07042. Phone: (973) 783-6363. Providers update this record themselves, so call before visiting.
How can I verify William Vonroth, MD's license?
NPPES lists New Jersey license number MA25956, 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 Vonroth, MD prescribe under Medicare Part D?
In 2024, William Vonroth, MD had 11 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. 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.