David Matthew Grosiak, D.O.
Emergency Medicine Physician · Voorhees, NJ
David Matthew Grosiak, D.O. is an emergency medicine physician with a practice address in Voorhees, New Jersey, and NPI 1942447073, issued on Jan 12, 2009. Check the license (New Jersey 25MB09125500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- David Matthew Grosiak
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 25MB09125500 NJ
OS024007 PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Bowman Dr, Voorhees, NJ 08043
- Phone
- (856) 247-2200
- Enumerated
- Jan 12, 2009
- Record last updated
- Aug 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20120720000511); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 100 Bowman Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bellinda Accime, CRNPPsychiatric/Mental Health Nurse Practitioner1841903598
- Rosemary AchollaFamily Nurse Practitioner1518606318
- Dexter Ang, M.D.Pediatrics Physician1679788228
- Benson Eric Aningalan, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1972032175
- Jessica Baker, CRNA, APNCertified Registered Nurse Anesthetist1821532789
- Christopher Becker, PHARMDStudent in an Organized Health Care Education/Training Program1609306687
Verify David Matthew Grosiak 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 25MB09125500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% more Medicare Part D claims than the average emergency medicine physician in 2024
281 Medicare Part D claims for 195 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 22 claims were for opioids.
Most prescribed
- Cephalexin33 claims
- Doxycycline Hyclate27 claims
- Prednisone26 claims
- Ondansetron Odt24 claims
- Oxycodone-Acetaminophen17 claims
- Amoxicillin-Clavulanate Potass11 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 MIPS final score for 2023 (Medicare payment program): 48.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 3 group practices
- Cape Emergency Physicians PACape May Court House, NJ
- Cep America LLCPhiladelphia, PA
- Trinity Health Mid-Atlantic Medical GroupPhiladelphia, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Matthew Grosiak among 1,754 emergency medicine physician records in New Jersey
David Matthew Grosiak, D.O. 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 2009, is newer than 50% of them.
- NPI issued2009 · 50% of these records are older, 47% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2008 · median 2011 among the 1,167 with a school on file
- Record last updated2024 · 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).
Emergency Medicine Physician providers in New Jersey
There are 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Voorhees → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John Bernard, MDVoorhees, NJ 080431568400869
- Robert EisensteinVoorhees, NJ 080431598796112
- Michael Filart, D.O.Voorhees, NJ 080431629283312
- Robert Geller, DOVoorhees, NJ 080431518932979
- Gennifer Goldenberg, M.D.Voorhees, NJ 080431922017102
- Brett Greenfield, DOVoorhees, NJ 080431134159601
- Joseph Hummel, DOVoorhees, NJ 080431275565616
- Adele Lam, DOVoorhees, NJ 080431396783213
Common questions
What is David Matthew Grosiak, D.O.'s NPI number?
David Matthew Grosiak, D.O.'s National Provider Identifier (NPI) is 1942447073, issued on Jan 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is David Matthew Grosiak, D.O. located?
The NPPES record lists a practice address at 100 Bowman Dr, Voorhees, NJ, 08043. Phone: (856) 247-2200. Providers update this record themselves, so call before visiting.
How can I verify David Matthew Grosiak, D.O.'s license?
NPPES lists New Jersey license number 25MB09125500, 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 David Matthew Grosiak, D.O. prescribe under Medicare Part D?
In 2024, David Matthew Grosiak, D.O. had 281 Medicare Part D claims for 195 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is David Matthew Grosiak, D.O.'s MIPS final score?
The 2023 MIPS final score is 48.7 of 100. 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.