Stephen P. McKenzie, PA

  • Berkeley Heights, NJ
  • Physician assistant
NPI1457462913PAC ID9436125325
Medicare patients, 2024
36
Part D claims, 2024
198
Hospital affiliations
2
Industry payments
$26
Medical groups
2
Practice address
1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922
Practice phone
Call (908) 273-4300
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Summit Medical Group Ambulatory Surgery Center - Berkeley Heights

Surgery Center - Medicare-Certified · Berkeley Heights, New Jersey

See all 7 affiliations

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Stephen P. McKenzie is a physician assistant in Berkeley Heights, New Jersey

Stephen McKenzie practices at Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey.

Stephen McKenzie's NPI, 1457462913, was assigned on August 31, 2006. Stephen McKenzie holds New Jersey license 25MP00057400.

NPI and contact details
Medicare PAC ID
9436125325
NPI enumeration date
August 31, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(908) 273-4300
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
59
Medical school graduation
1993

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Stephen P. McKenzie practices at Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey

Stephen McKenzie's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights, at 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922. The practice phone is (908) 273-4300.

  • Summit Medical Group Ambulatory Surgery Center - Berkeley Heights
    1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922Phone(908) 273-4300

Source: Dmand AI Affiliation Data

Stephen P. McKenzie is affiliated with 5 sites of care and 2 medical groups

Stephen McKenzie's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Stephen McKenzie is also affiliated with Morristown Medical Center. The medical group on file is Atlantic Medical Group. Dmand AI also links Stephen McKenzie to 1 more hospital, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group, each named with a free account. Stephen McKenzie's employer is on file too: a surgery center (asc).

See all 7 affiliations for Stephen McKenzie

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Stephen P. McKenzie's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Stephen McKenzie practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Summit Medical Group Ambulatory Surgery Center - Berkeley HeightsAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Stephen P. McKenzie is one of 2,975 physician assistants in New Jersey

Physician assistant is Stephen McKenzie's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Stephen McKenzie is licensed in New Jersey.

Specialties and state licenses

  • Physician assistant, New JerseyPrimaryLicense 25MP00057400 · taxonomy 363A00000X

Physician assistants near Stephen McKenzie

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Stephen P. McKenzie treated 36 Medicare patients in 2024, average age 78

CMS counts 36 Medicare patients who saw Stephen McKenzie in 2024. The largest group is 75 to 84, with 14 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.45, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Stephen McKenzie's median patient age at 67, with 47% women.

Medicare patients, 202436
Average age78
Average risk score1.45

Stephen McKenzie's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Stephen McKenzie's Medicare patients by sex, 2024

  • Women1953%
  • Men1747%

Chronic conditions among Stephen McKenzie's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease61%
  4. Arthritis50%
  5. Atrial fibrillation42%
  6. Diabetes31%

Share of Medicare patients with each condition. A patient can have several.

Stephen McKenzie's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women47%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Stephen P. McKenzie wrote 198 Medicare Part D claims in 2024

In 2024, Stephen McKenzie wrote 198 Medicare Part D claims for 74 patients. 88% of them were for generic drugs.

Part D claims, 2024198
Part D patients74

Stephen McKenzie's Part D claims by kind of drug, 2024

  • Generic174 claims88%
  • Brand-name24 claims12%

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Stephen P. McKenzie takes part in Medicare

Stephen McKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Stephen P. McKenzie received $26 in industry payments in 2025

CMS Open Payments shows 1 general payment to Stephen McKenzie from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Exact Sciences Corporation paid the most, $26.

Companies that paid Stephen McKenzie the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to Stephen McKenzie

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Stephen P. McKenzie's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Stephen P. McKenzie

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Stephen P. McKenzie's NPI number?

Stephen P. McKenzie's NPI number is 1457462913. It was assigned on August 31, 2006, and it is active in the NPI Registry.

What does Stephen P. McKenzie specialize in?

Stephen P. McKenzie is a physician assistant in Berkeley Heights, New Jersey. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Stephen P. McKenzie practice?

Stephen McKenzie practices at 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922. Stephen McKenzie's primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Dmand AI also links Stephen McKenzie to 1 hospital, 1 group practice or clinic, 1 ambulatory surgery center and 1 medical group.

What is Stephen P. McKenzie's office phone number?

The practice phone on file for Stephen McKenzie is (908) 273-4300.

What is Stephen P. McKenzie's medical license number?

Stephen McKenzie holds New Jersey license 25MP00057400.

Which hospitals is Stephen P. McKenzie affiliated with?

Stephen McKenzie is affiliated with Morristown Medical Center. Dmand AI links Stephen McKenzie to 1 more hospital.

What medical group is Stephen P. McKenzie part of?

Stephen McKenzie is linked to Atlantic Medical Group. Dmand AI links Stephen McKenzie to 1 more medical group.

Does Stephen P. McKenzie accept Medicare?

Yes. CMS lists Stephen McKenzie as accepting Medicare assignment.

How many Medicare patients does Stephen P. McKenzie see?

CMS counts 36 Medicare patients who saw Stephen McKenzie in 2024, with an average age of 78.

Has Stephen P. McKenzie received payments from drug or device companies?

CMS Open Payments shows $26 in general payments to Stephen McKenzie from 1 company from 2025 to 2025. The largest total came from Exact Sciences Corporation.

How long has Stephen P. McKenzie been practicing?

Stephen McKenzie graduated from medical school in 1993, 33 years ago.

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