Dr. Brett Daniel Van Leer-Greenberg, MD

  • Summerville, SC
  • Gastroenterologist
NPI1871911867PAC ID5294150942
Medicare services, 2024
2,609
Medicare patients, 2024
1,349
Part D claims, 2024
469
Hospital affiliations
1
Industry payments
$44,892
Practice address
5500 Front St, Summerville, SC 29486
Practice phone
Call (843) 695-6071
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Palmetto Primary Care Physicians

Summerville, South Carolina

See all 5 affiliations

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Dr. Brett Daniel Van Leer-Greenberg is a gastroenterologist in Summerville, South Carolina

Dr. Van Leer-Greenberg practices at Palmetto Primary Care Physicians in Summerville, South Carolina.

Dr. Van Leer-Greenberg's NPI, 1871911867, was assigned on April 7, 2014. Dr. Van Leer-Greenberg graduated from University of Miami, Lm Miller School of Medicine in 2014. Dr. Van Leer-Greenberg holds South Carolina license 83995.

NPI and contact details
Medicare PAC ID
5294150942
NPI enumeration date
April 7, 2014
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(843) 695-6071
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
38
Medical school graduation
2014

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

Dr. Brett Daniel Van Leer-Greenberg practices at Palmetto Primary Care Physicians in Summerville, South Carolina

Dr. Van Leer-Greenberg's primary practice is Palmetto Primary Care Physicians, at 5500 Front St, Summerville, SC 29486 in Berkeley County. The practice phone is (843) 695-6071.

  • Palmetto Primary Care Physicians
    5500 Front St, Summerville, SC 29486 · Berkeley CountyPhone(843) 695-6071

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Brett Daniel Van Leer-Greenberg is affiliated with 3 sites of care and 2 medical groups

Dr. Van Leer-Greenberg's primary practice is Palmetto Primary Care Physicians in Summerville, South Carolina. Dr. Van Leer-Greenberg is also affiliated with HCA Healthcare Trident Hospital. The medical group on file is Palmetto Primary Care Physicians. Dmand AI also links Dr. Van Leer-Greenberg to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Van Leer-Greenberg

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Brett Daniel Van Leer-Greenberg's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Van Leer-Greenberg practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Palmetto Primary Care PhysiciansAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Brett Daniel Van Leer-Greenberg is one of 255 gastroenterologists in South Carolina

Gastroenterology is Dr. Van Leer-Greenberg's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Van Leer-Greenberg is licensed in South Carolina.

Specialties and state licenses

  • Gastroenterology, South CarolinaPrimaryLicense 83995 · taxonomy 207RG0100X

Gastroenterologists near Dr. Van Leer-Greenberg

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

255gastroenterologists in South Carolina
6gastroenterologists in Summerville

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

Dr. Brett Daniel Van Leer-Greenberg billed Medicare for 2,609 services in 2024

CMS data shows 2,609 Medicare services from Dr. Van Leer-Greenberg across 16 procedure codes in 2024, for 1,349 Medicare patients. Medicare paid $131,182 for them.

Medicare services, 20242,609
Medicare patients1,349
Paid by Medicare$131,182
Procedure codes16

Dr. Van Leer-Greenberg's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 1,0772024: 2,11396%
Office and hospital visits
2023: 3772024: 43916%
Other services
2023: 292024: 3934%
Tests and treatments
2023: 242024: 1825%

Where Dr. Van Leer-Greenberg's Medicare services took place, 2024

  • In an office1,98776%
  • In a facility62224%

Dr. Van Leer-Greenberg compared with the South Carolina median for gastroenterologists, 2024

  • Dr. Van Leer-Greenberg
  • South Carolina median
Medicare services
2,609vs 7453.5 times
Medicare patients
1,349vs 4453.0 times
Part D claims
346vs 49730% below

Medians across 249 gastroenterologists in South Carolina with Dmand AI profiles that report each measure.

Dr. Van Leer-Greenberg's 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. Van Leer-Greenberg

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

Dr. Brett Daniel Van Leer-Greenberg treated 1,349 Medicare patients in 2024, average age 73

CMS counts 1,349 Medicare patients who saw Dr. Van Leer-Greenberg in 2024. The largest group is 65 to 74, with 681 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Van Leer-Greenberg's median patient age at 59, with 58% women.

Medicare patients, 20241,349
Average age73
Average risk score1.10
Also on Medicaid5%

Dr. Van Leer-Greenberg's Medicare patients by age, 2024

Dr. Van Leer-Greenberg's Medicare patients by sex, 2024

  • Women77457%
  • Men57543%

Chronic conditions among Dr. Van Leer-Greenberg's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis46%
  4. Diabetes38%
  5. Anxiety28%
  6. Chronic kidney disease27%
  7. Mood disorders27%
  8. Depression24%

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

Dr. Van Leer-Greenberg's patients across all payers

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

Patient panel by age, all payers

Median age 59

Patient panel by sex, all payers

  • Women58%
  • Men41%

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

Dr. Brett Daniel Van Leer-Greenberg wrote 469 Medicare Part D claims in 2024

In 2024, Dr. Van Leer-Greenberg wrote 469 Medicare Part D claims for 190 patients. 86% of them were for generic drugs. CMS names the drug for 346 of them, across 11 drugs with 11 or more claims each, at $24,305 in total drug cost. In 2023, CMS named 216 claims across 5 drugs.

Part D claims, 2024469
Drugs named by CMS11
Total drug cost$24,305
Part D patients190

Dr. Van Leer-Greenberg's Part D claims by kind of drug, 2024

  • Generic401 claims86%
  • Brand-name68 claims14%

Dr. Van Leer-Greenberg's 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. Van Leer-Greenberg's Part D claims, 2024

  • Antibiotics5%22 of 469 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: 2162024: 34660%

Drugs named by CMS: 11 in 2024, 5 in 2023.

See all prescribing by Dr. Van Leer-Greenberg

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. Brett Daniel Van Leer-Greenberg ranks in the 93rd percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare

Dr. Van Leer-Greenberg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Van Leer-Greenberg as offering telehealth. CMS counts 249 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Van Leer-Greenberg, more than 93% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Van Leer-Greenberg ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
93rd percentile249 procedures
Colonoscopy
92nd percentile176 procedures

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

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

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Dr. Brett Daniel Van Leer-Greenberg received $44,892 in industry payments from 2020 to 2025

CMS Open Payments shows 194 general payments to Dr. Van Leer-Greenberg from 26 drug and device companies from 2020 to 2025. Speaker and faculty fees make up the largest share, 63% of the total. Phathom Pharmaceuticals, Inc. paid the most, $30,759.

General payments to Dr. Van Leer-Greenberg by program year, 2020 to 2025

General payments to Dr. Van Leer-Greenberg by kind, 2020 to 2025

$44.9Kin total
  • Speaker and faculty fees$28,28063%
  • Consulting fees$8,60119%
  • Food and beverage$5,74013%
  • Travel and lodging$1,3113%
  • Other$9522%

Companies that paid Dr. Van Leer-Greenberg the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Van Leer-Greenberg

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

Dr. Brett Daniel Van Leer-Greenberg graduated from University of Miami, Lm Miller School of Medicine

Dr. Van Leer-Greenberg graduated from University of Miami, Lm Miller School of Medicine in 2014.

  1. Medical schoolUniversity of Miami, Lm Miller School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Brett Daniel Van Leer-Greenberg'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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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. Brett Daniel Van Leer-Greenberg

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. Brett Daniel Van Leer-Greenberg's NPI number?

Dr. Brett Daniel Van Leer-Greenberg's NPI number is 1871911867. It was assigned on April 7, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Brett Daniel Van Leer-Greenberg?

Dr. Brett Daniel Van Leer-Greenberg is a gastroenterologist in Summerville, South Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Brett Daniel Van Leer-Greenberg practice?

Dr. Van Leer-Greenberg practices at 5500 Front St, Summerville, SC 29486. Dr. Van Leer-Greenberg's primary practice is Palmetto Primary Care Physicians in Summerville, South Carolina. Dmand AI also links Dr. Van Leer-Greenberg to 1 group practice or clinic and 1 medical group.

What is Dr. Brett Daniel Van Leer-Greenberg's office phone number?

The practice phone on file for Dr. Van Leer-Greenberg is (843) 695-6071.

What is Dr. Brett Daniel Van Leer-Greenberg's medical license number?

Dr. Van Leer-Greenberg holds South Carolina license 83995.

Which hospitals is Dr. Brett Daniel Van Leer-Greenberg affiliated with?

Dr. Van Leer-Greenberg is affiliated with HCA Healthcare Trident Hospital.

What medical group is Dr. Brett Daniel Van Leer-Greenberg part of?

Dr. Van Leer-Greenberg is linked to Palmetto Primary Care Physicians. Dmand AI links Dr. Van Leer-Greenberg to 1 more medical group.

Does Dr. Brett Daniel Van Leer-Greenberg accept Medicare?

Yes. CMS data shows Dr. Van Leer-Greenberg billed Medicare for 2,609 services in 2024, and Dr. Van Leer-Greenberg accepts Medicare assignment.

Does Dr. Brett Daniel Van Leer-Greenberg offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Van Leer-Greenberg as offering telehealth services.

How many Medicare patients does Dr. Brett Daniel Van Leer-Greenberg see?

CMS counts 1,349 Medicare patients who saw Dr. Van Leer-Greenberg in 2024, with an average age of 73.

Show 5 more questionsShow fewer questions

What services does Dr. Brett Daniel Van Leer-Greenberg bill to Medicare?

In 2024, Dr. Van Leer-Greenberg's most billed Medicare services were surgery: heart and blood vessels (36415), office visit, established patient (99214) and surgery: digestive system (43239).

Where did Dr. Brett Daniel Van Leer-Greenberg go to medical school?

Dr. Van Leer-Greenberg graduated from University of Miami, Lm Miller School of Medicine in 2014.

What drugs does Dr. Brett Daniel Van Leer-Greenberg prescribe most?

In 2024 Medicare Part D data, Dr. Van Leer-Greenberg's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Famotidine.

Has Dr. Brett Daniel Van Leer-Greenberg received payments from drug or device companies?

CMS Open Payments shows $44,892 in general payments to Dr. Van Leer-Greenberg from 26 companies from 2020 to 2025. The largest total came from Phathom Pharmaceuticals, Inc.

How long has Dr. Brett Daniel Van Leer-Greenberg been practicing?

Dr. Van Leer-Greenberg graduated from medical school in 2014, 12 years ago.

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