Dr. Patrick Evan Lemasters, MD

  • Berkeley Heights, NJ
  • General surgeon
NPI1952535403PAC ID4183841315
Medicare services, 2024
231
Medicare patients, 2024
142
Part D claims, 2024
107
Hospital affiliations
2
Industry payments
$9,381
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 4 affiliations

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Dr. Patrick Evan Lemasters is a general surgeon in Berkeley Heights, New Jersey

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

Dr. Lemasters' NPI, 1952535403, was assigned on May 13, 2009. Dr. Lemasters graduated from University of Cincinnati College of Medicine in 2009. Dr. Lemasters holds New York license 266646.

NPI and contact details
Medicare PAC ID
4183841315
NPI enumeration date
May 13, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(908) 273-4300
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
43
Medical school graduation
2009

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

Dr. Patrick Evan Lemasters practices at Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey

Dr. Lemasters' 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

Dr. Patrick Evan Lemasters is affiliated with 3 sites of care and 1 medical group

Dr. Lemasters' primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Dr. Lemasters is also affiliated with Overlook Medical Center. The medical group on file is Summit Health. Dmand AI also links Dr. Lemasters to 1 more hospital, named with a free account. Dr. Lemasters' employer is on file too: a surgery center (asc).

See all 4 affiliations for Dr. Lemasters

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

Dmand AI tracks the EHR system at Dr. Patrick Evan Lemasters' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lemasters practices, 3 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
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Patrick Evan Lemasters is one of 675 general surgeons in New Jersey

Surgery is Dr. Lemasters' primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Lemasters' licenses on file in 2 states: New York and New Jersey.

Specialties and state licenses

  • Surgery, New YorkPrimaryLicense 266646 · taxonomy 208600000X
  • New Jersey licenseLicense 25MA09800800

General surgeons near Dr. Lemasters

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

675general surgeons in New Jersey
4general surgeons in Berkeley Heights

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

Dr. Patrick Evan Lemasters billed Medicare for 231 services in 2024

CMS data shows 231 Medicare services from Dr. Lemasters across 7 procedure codes in 2024, for 142 Medicare patients. Medicare paid $23,574 for them.

Medicare services, 2024231
Medicare patients142
Paid by Medicare$23,574
Procedure codes7

Dr. Lemasters' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1382024: 16318%
Surgery
2023: 242024: 3858%
Lab and pathology
2023: 282024: 307%

Where Dr. Lemasters' Medicare services took place, 2024

  • In an office21392%
  • In a facility188%

Dr. Lemasters compared with the New Jersey median for general surgeons, 2024

  • Dr. Lemasters
  • New Jersey median
Medicare services
231vs 17036% above
Medicare patients
142vs 12514% above
Part D claims
82vs 273.0 times

Medians across 630 general surgeons in New Jersey with Dmand AI profiles that report each measure.

Dr. Lemasters' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Lemasters

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Patrick Evan Lemasters treated 142 Medicare patients in 2024, average age 73

CMS counts 142 Medicare patients who saw Dr. Lemasters in 2024. The largest group is 65 to 74, with 72 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Lemasters' median patient age at 60, with 49% women.

Medicare patients, 2024142
Average age73
Average risk score1.20
Also on Medicaid8%

Dr. Lemasters' Medicare patients by age, 2024

Dr. Lemasters' Medicare patients by sex, 2024

  • Women6445%
  • Men7855%

Chronic conditions among Dr. Lemasters' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis46%
  4. Ischemic heart disease36%
  5. Diabetes30%
  6. Cancer29%
  7. Anxiety28%
  8. Chronic kidney disease23%

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

Dr. Lemasters' patients across all payers

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

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women49%
  • Men48%

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

Dr. Patrick Evan Lemasters wrote 107 Medicare Part D claims in 2024

In 2024, Dr. Lemasters wrote 107 Medicare Part D claims for 65 patients. 99% of them were for generic drugs. CMS names the drug for 82 of them, across 3 drugs with 11 or more claims each, at $483 in total drug cost. In 2023, CMS named 13 claims across 1 drug.

Part D claims, 2024107
Drugs named by CMS3
Total drug cost$483
Part D patients65

Dr. Lemasters' Part D claims by kind of drug, 2024

  • Generic106 claims99%
  • Brand-name and other1 claims1%

Dr. Lemasters' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Lemasters' Part D claims, 2024

  • Opioids53%57 of 107 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 132024: 82531%

Drugs named by CMS: 3 in 2024, 1 in 2023.

See all prescribing by Dr. Lemasters

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Patrick Evan Lemasters ranks in the 86th percentile for hernia repair (minimally invasive) in Medicare

Dr. Lemasters accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 18 procedures of hernia repair (minimally invasive) by Dr. Lemasters, more than 86% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Lemasters ranks in Medicare procedure volume

Hernia repair (minimally invasive)
86th percentile18 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Patrick Evan Lemasters received $9,381 in industry payments from 2017 to 2025

CMS Open Payments shows 30 general payments to Dr. Lemasters from 12 drug and device companies from 2017 to 2025. Education make up the largest share, 75% of the total. Intuitive Surgical, Inc. paid the most, $8,222.

General payments to Dr. Lemasters by program year, 2017 to 2025

General payments to Dr. Lemasters by kind, 2017 to 2025

$9.4Kin total
  • Education$7,00075%
  • Travel and lodging$1,25913%
  • Food and beverage$1,12212%

Companies that paid Dr. Lemasters the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Lemasters

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

Dr. Patrick Evan Lemasters graduated from University of Cincinnati College of Medicine

Dr. Lemasters graduated from University of Cincinnati College of Medicine in 2009.

  1. Medical schoolUniversity of Cincinnati College of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Patrick Evan Lemasters'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 services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 and Drug (CMS) (opens in a new tab)Medicare 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. Patrick Evan Lemasters

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

What is Dr. Patrick Evan Lemasters' NPI number?

Dr. Patrick Evan Lemasters' NPI number is 1952535403. It was assigned on May 13, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Patrick Evan Lemasters?

Dr. Patrick Evan Lemasters is a general surgeon in Berkeley Heights, New Jersey. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Patrick Evan Lemasters practice?

Dr. Lemasters practices at 1 Diamond Hill Road, Suite 1b-142, Berkeley Heights, NJ 07922. Dr. Lemasters' primary practice is Summit Medical Group Ambulatory Surgery Center - Berkeley Heights in Berkeley Heights, New Jersey. Dmand AI also links Dr. Lemasters to 1 hospital.

What is Dr. Patrick Evan Lemasters' office phone number?

The practice phone on file for Dr. Lemasters is (908) 273-4300.

What is Dr. Patrick Evan Lemasters' medical license number?

Dr. Lemasters holds New York license 266646, one of the licenses on file in 2 states.

Which states has Dr. Patrick Evan Lemasters been licensed in?

Dmand AI has state licenses on file for Dr. Lemasters in New York and New Jersey.

Which hospitals is Dr. Patrick Evan Lemasters affiliated with?

Dr. Lemasters is affiliated with Overlook Medical Center. Dmand AI links Dr. Lemasters to 1 more hospital.

What medical group is Dr. Patrick Evan Lemasters part of?

Dr. Lemasters is linked to Summit Health.

Does Dr. Patrick Evan Lemasters accept Medicare?

Yes. CMS data shows Dr. Lemasters billed Medicare for 231 services in 2024, and Dr. Lemasters accepts Medicare assignment.

How many Medicare patients does Dr. Patrick Evan Lemasters see?

CMS counts 142 Medicare patients who saw Dr. Lemasters in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Patrick Evan Lemasters bill to Medicare?

In 2024, Dr. Lemasters' most billed Medicare services were office visit, new patient (99204), office visit, established patient (99213) and office visit, established patient (99214).

Where did Dr. Patrick Evan Lemasters go to medical school?

Dr. Lemasters graduated from University of Cincinnati College of Medicine in 2009.

What drugs does Dr. Patrick Evan Lemasters prescribe most?

In 2024 Medicare Part D data, Dr. Lemasters' most prescribed drugs by claims were Oxycodone-Acetaminophen, Cyanocobalamin Injection and Ondansetron ODT.

Has Dr. Patrick Evan Lemasters received payments from drug or device companies?

CMS Open Payments shows $9,381 in general payments to Dr. Lemasters from 12 companies from 2017 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Patrick Evan Lemasters been practicing?

Dr. Lemasters graduated from medical school in 2009, 17 years ago.

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