William Holder, (M.D.,
Internal Medicine Physician · Parsippany, NJ
William Holder, (M.D., is an internal medicine physician with a practice address in Parsippany, New Jersey, and NPI 1316168602, issued on May 2, 2007. Check the license on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Holder
- Credential
- (M.D.,
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2017-00061 NC
Self-reported in NPPES; status is on the state search - Practice location
- 285 N Beverwyck RD, Parsippany, NJ 07054
- Phone
- (973) 331-9774
- Enumerated
- May 2, 2007
- Record last updated
- May 8, 2025
- Fax
- (973) 263-3329
- Medicare enrollment
- Enrolled (PECOS I20200122002148); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,632 in New Jersey → Look up another NPI →
Verify William Holder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical ExaminersCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Lifesource OF North CarolinaWilmington, NC
- Lifesource Prime IncWilmington, NC
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Holder among 4,632 internal medicine physician records in New Jersey
William Holder, (M.D., is one of 4,632 internal medicine physician records with a practice address in New Jersey. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 50% of them.
- NPI issued2007 · 50% of these records are older, 41% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1981 · median 2000 among the 3,132 with a school on file
- Record last updated2025 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
20 internal medicine physician records list a practice address in Parsippany
They are 20 of the 840 NPPES records with a practice address in Parsippany, and 4,632 internal medicine physician records in New Jersey.
All 4,632 in New Jersey → Every provider in Parsippany → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nivedita Bansal, MDParsippany, NJ 070541033180880
- Jinhan Chi, M.D.Parsippany, NJ 070541952383275
- Joanna Denis, M.D.Parsippany, NJ 070541528129475
- Sadhana Kumar, M.D.Parsippany, NJ 070541225065634
- Manish Luhana, M.D.Parsippany, NJ 070541558347641
- Kamal Patel, M.D.Parsippany, NJ 070541982692927
- Jignasa Patel, MDParsippany, NJ 070541699867572
- Dhirendra Patel, M.D.Parsippany, NJ 070541487774543
Common questions
What is William Holder, (M.D.,'s NPI number?
William Holder, (M.D.,'s National Provider Identifier (NPI) is 1316168602, issued on May 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William Holder, (M.D., located?
The NPPES record lists a practice address at 285 N Beverwyck RD, Parsippany, NJ, 07054. Phone: (973) 331-9774. Providers update this record themselves, so call before visiting.
How can I verify William Holder, (M.D.,'s license?
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.
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.