Diane Mackenzie, DO
Emergency Medicine Physician · Newark, NJ
Diane Mackenzie, DO is an emergency medicine physician with a practice address in Newark, New Jersey, and NPI 1316931264, issued on Sep 7, 2005. Check the license (New Jersey 25MB07665200, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Diane Mackenzie
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 25MB07665200 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 495 N 13TH St, Newark, NJ 07107
- Phone
- (973) 268-1400
- Enumerated
- Sep 7, 2005
- Record last updated
- May 7, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 0023361 NJ
- Medicare enrollment
- Enrolled (PECOS I20040524000217); accepts Medicare assignment
- Medical or professional school
- Rowan University School Of Osteopathic Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,754 in New Jersey → Look up another NPI →
Also registered at 495 N 13TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Diane Mackenzie 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 25MB07665200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11.8 times the Medicare Part D claims of the average emergency medicine physician in 2024
2,671 Medicare Part D claims for 509 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 26 claims were for opioids.
Most prescribed
- Eliquis113 claims
- Gabapentin103 claims
- Trazodone Hcl95 claims
- Atorvastatin Calcium93 claims
- Pantoprazole Sodium86 claims
- Rosuvastatin Calcium70 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.
Industry payments in 2024: $13.37
1 payment: food and beverage; the largest payer was CVRx, Inc. The 12,335 providers of this specialty with any payment received $953.79 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 one group practice
- Vps Medical Services, PCNeptune, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane Mackenzie among 1,754 emergency medicine physician records in New Jersey
Diane Mackenzie, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 96% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1999 · median 2011 among the 1,167 with a school on file
- Record last updated2008 · 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).
155 emergency medicine physician records list a practice address in Newark
They are 155 of the 4,875 NPPES records with a practice address in Newark, and 1,754 emergency medicine physician records in New Jersey.
All 1,754 in New Jersey → Every provider in Newark → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Yu-Feng Chan, M.D.Newark, NJ 071071922191931
- Subhanir ChitnisNewark, NJ 071071801152939
- Charles Fleischner, M.D.Newark, NJ 071071023262037
- Dimpi Kalira, M.D.Newark, NJ 071071154572477
- Suzanne Katsetos, M.D.Newark, NJ 071071477842631
- Rajesh Kothari, DONewark, NJ 071071659363174
- Victoria Kou, MDNewark, NJ 071071972541621
- Woo Moon, MDNewark, NJ 071071457345084
Common questions
What is Diane Mackenzie, DO's NPI number?
Diane Mackenzie, DO's National Provider Identifier (NPI) is 1316931264, issued on Sep 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Diane Mackenzie, DO located?
The NPPES record lists a practice address at 495 N 13TH St, Newark, NJ, 07107. Phone: (973) 268-1400. Providers update this record themselves, so call before visiting.
How can I verify Diane Mackenzie, DO's license?
NPPES lists New Jersey license number 25MB07665200, 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 Diane Mackenzie, DO prescribe under Medicare Part D?
In 2024, Diane Mackenzie, DO had 2,671 Medicare Part D claims for 509 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.