NPPES file of Aug 9, 2026

Brett S. Greenfield, DO

Emergency Medicine Physician · Voorhees, NJ

Brett S. Greenfield, DO is an emergency medicine physician with a practice address in Voorhees, New Jersey, and NPI 1134159601, issued on Jul 3, 2006. Check the license (New Jersey MB70088, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1134159601
Name
Brett S. Greenfield
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MB70088 NJ
Self-reported in NPPES; status is on the state search
Practice location
101 Carnie Blvd, Voorhees, NJ 08043
Phone
(856) 325-5060
Enumerated
Jul 3, 2006
Record last updated
Nov 28, 2009 (not updated in 17 years: call before relying on the address or phone)
Fax
(856) 325-3197
Medicaid ID
8221103 NJ
Medicare enrollment
Enrolled (PECOS I20031121000231); accepts Medicare assignment
Medical or professional school
Rowan University School Of Osteopathic Medicine, 1997
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 Carnie Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brenda Bender, MDPediatric Emergency Medicine (Pediatrics) Physician1750371720
  2. John Bernard, MDEmergency Medicine Physician1568400869
  3. Christine Catts, NNPCritical Care Neonatal Nurse Practitioner1750585733
  4. Ninetta Dickerson, NNPNeonatal Nurse Practitioner1932312717
  5. Bettyann Divirgilio, APNNeonatal Nurse Practitioner1669516217
  6. Kathleen Doran, PA-CPhysician Assistant1255371555

Verify Brett S. Greenfield in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
    Search for license MB70088
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New Jersey license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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44% fewer Medicare Part D claims than the average emergency medicine physician in 2024

126 Medicare Part D claims for 93 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. Brett Greenfield126
  2. Specialty average226

Most prescribed

  1. Meloxicam13 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.

Bills Medicare through one group practice

  1. Atlantic Emergency Associates PAAtlantic City, NJ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Brett S. Greenfield among 1,754 emergency medicine physician records in New Jersey

Brett S. Greenfield, 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
  • Graduated1997 · median 2011 among the 1,167 with a school on file
  • Record last updated2009 · 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.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. John Bernard, MDVoorhees, NJ 080431568400869
  2. Robert EisensteinVoorhees, NJ 080431598796112
  3. Michael Filart, D.O.Voorhees, NJ 080431629283312
  4. Robert Geller, DOVoorhees, NJ 080431518932979
  5. Gennifer Goldenberg, M.D.Voorhees, NJ 080431922017102
  6. Joseph Hummel, DOVoorhees, NJ 080431275565616
  7. Adele Lam, DOVoorhees, NJ 080431396783213
  8. Darren Menditto, DOVoorhees, NJ 080431972535516

Common questions

What is Brett S. Greenfield, DO's NPI number?

Brett S. Greenfield, DO's National Provider Identifier (NPI) is 1134159601, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brett S. Greenfield, DO located?

The NPPES record lists a practice address at 101 Carnie Blvd, Voorhees, NJ, 08043. Phone: (856) 325-5060. Providers update this record themselves, so call before visiting.

How can I verify Brett S. Greenfield, DO's license?

NPPES lists New Jersey license number MB70088, 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 Brett S. Greenfield, DO prescribe under Medicare Part D?

In 2024, Brett S. Greenfield, DO had 126 Medicare Part D claims for 93 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.