William F. Schmalz, MD
General Practice Physician · Lyndhurst, NJ
William F. Schmalz, MD is a general practice physician with a practice address in Lyndhurst, New Jersey, and NPI 1689852428, issued on Feb 4, 2008. Check the license (New Jersey 25MA0342000, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William F. Schmalz
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- 25MA0342000 NJ
293147 NY
Self-reported in NPPES; status is on the state search - Practice location
- 750 Valley Brook Ave, Lyndhurst, NJ 07071
- Phone
- (973) 857-8995
- Enumerated
- Feb 4, 2008
- Record last updated
- Mar 12, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (201) 933-7600
- Medicare enrollment
- Enrolled (PECOS I20090914000304); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 216 in New Jersey → Look up another NPI →
Also registered at 750 Valley Brook Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Crawford, MPA-CPhysician Assistant1326187949
Verify William F. Schmalz 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 25MA0342000Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average general practice physician in 2024
181 Medicare Part D claims for 70 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Meloxicam15 claims
- Alprazolam12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $120.65
6 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Rockland NY Medical Services, P.C.New City, NY
- Skilled Biologics IncEgg Harbor Township, NJ
- Skilled Facility Health Care Solutions IncEwing, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William F. Schmalz among 216 general practice physician records in New Jersey
William F. Schmalz, MD is one of 216 general practice physician records with a practice address in New Jersey. 46% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 49% of them.
- NPI issued2008 · 49% of these records are older, 38% newer
- In a Medicare fileYes · 46% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2004 · median 2002 among the 62 with a school on file
- Record last updated2019 · 71% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in New Jersey
There are 216 general practice physician records in New Jersey.
All 216 in New Jersey → Every provider in Lyndhurst → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Florinda Mangahas, MDRoseland, NJ 070681578663514
- Emmanuel Kissi, PAScotch Plains, NJ 070761568658136
- Richard Tiedemann, MD, FACSScotch Plains, NJ 070761952394132
- Daniel Zacharias, M.D.Short Hills, NJ 070781598730368
- Salvatore Milazzo, D.O.South Plainfield, NJ 070801386763910
- Carl De Fronzo, D.O.Springfield, NJ 070811730415407
- Thuong Ledinh, MDPlainfield, NJ 070601205936663
- Michal Dubowski, MDPine Brook, NJ 070581104428499
Common questions
What is William F. Schmalz, MD's NPI number?
William F. Schmalz, MD's National Provider Identifier (NPI) is 1689852428, issued on Feb 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is William F. Schmalz, MD located?
The NPPES record lists a practice address at 750 Valley Brook Ave, Lyndhurst, NJ, 07071. Phone: (973) 857-8995. Providers update this record themselves, so call before visiting.
How can I verify William F. Schmalz, MD's license?
NPPES lists New Jersey license number 25MA0342000, 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 F. Schmalz, MD prescribe under Medicare Part D?
In 2024, William F. Schmalz, MD had 181 Medicare Part D claims for 70 beneficiaries; the average among general practice physician prescribers was 3,030. Part D covers Medicare prescriptions only.
What is William F. Schmalz, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.