Dr. Bradley Paul Mackler, MD

  • Seaford, DE
  • Gastroenterologist
NPI1356430854PAC ID4789588302
Medicare services, 2024
2,004
Medicare patients, 2024
769
Part D claims, 2024
1,018
MIPS score, 2024
57
Hospital affiliations
5
Practice address
801 Middleford Rd, Seaford, DE 19973
Practice phone
Call (302) 629-6611
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

TidalHealth Nanticoke

Hospital · Seaford, Delaware

See all 10 affiliations

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Dr. Bradley Paul Mackler is a gastroenterologist in Seaford, Delaware

Dr. Mackler practices at TidalHealth Nanticoke in Seaford, Delaware, part of TidalHealth Peninsula Regional.

Dr. Mackler's NPI, 1356430854, was assigned on October 12, 2006. Dr. Mackler holds Delaware license C10004336.

NPI and contact details
Medicare PAC ID
4789588302
NPI enumeration date
October 12, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(302) 629-6611
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. Bradley Paul Mackler practices at TidalHealth Nanticoke in Seaford, Delaware

Dr. Mackler's primary practice is TidalHealth Nanticoke, at 801 Middleford Rd, Seaford, DE 19973 in Sussex County. The practice phone is (302) 629-6611.

Source: Dmand AI Affiliation Data

Dr. Bradley Paul Mackler is affiliated with 7 sites of care and 3 medical groups

Dr. Mackler's primary practice is TidalHealth Nanticoke in Seaford, Delaware, part of TidalHealth Peninsula Regional. Dr. Mackler is also affiliated with TidalHealth Peninsula Regional. The medical group on file is TidalHealth Cardiovascular Surgery. Dmand AI also links Dr. Mackler to 3 more hospitals, 2 medical groups, 1 physician office and 1 therapy and rehab clinic, each named with a free account.

See all 10 affiliations for Dr. Mackler

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

Dmand AI tracks the EHR system at Dr. Bradley Paul Mackler's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mackler practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
TidalHealth NanticokeAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Bradley Paul Mackler is one of 45 gastroenterologists in Delaware

Gastroenterology is Dr. Mackler's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Mackler is licensed in Delaware.

Specialties and state licenses

  • Gastroenterology, DelawarePrimaryLicense C10004336 · taxonomy 207RG0100X

Gastroenterologists near Dr. Mackler

Counts of gastroenterologists 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

Dr. Bradley Paul Mackler billed Medicare for 2,004 services in 2024

CMS data shows 2,004 Medicare services from Dr. Mackler across 14 procedure codes in 2024, for 769 Medicare patients. Medicare paid $213,037 for them.

Medicare services, 20242,004
Medicare patients769
Paid by Medicare$213,037
Procedure codes14

Dr. Mackler's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,1412024: 1,1521%
Surgery
2023: 7732024: 8024%
Other services
2023: 02024: 36
Tests and treatments
2023: 02024: 14

Where Dr. Mackler's Medicare services took place, 2024

  • In an office1,05853%
  • In a facility94647%

Dr. Mackler compared with the Delaware median for gastroenterologists, 2024

  • Dr. Mackler
  • Delaware median
Medicare services
2,004vs 7802.6 times
Medicare patients
769vs 51051% above
Part D claims
946vs 4732.0 times

Medians across 43 gastroenterologists in Delaware with Dmand AI profiles that report each measure.

Dr. Mackler'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.

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

Dr. Bradley Paul Mackler treated 769 Medicare patients in 2024, average age 73

CMS counts 769 Medicare patients who saw Dr. Mackler in 2024. The largest group is 65 to 74, with 407 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Mackler's median patient age at 64, with 49% women.

Medicare patients, 2024769
Average age73
Average risk score1.19
Also on Medicaid12%

Dr. Mackler's Medicare patients by age, 2024

Dr. Mackler's Medicare patients by sex, 2024

  • Women37248%
  • Men39752%

Chronic conditions among Dr. Mackler's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis43%
  4. Diabetes42%
  5. Ischemic heart disease38%
  6. Chronic kidney disease29%
  7. Atrial fibrillation20%
  8. Anxiety18%

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

Dr. Mackler's patients across all payers

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

Patient panel by age, all payers

Median age 64

Patient panel by sex, all payers

  • Women49%
  • Men50%

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

Dr. Bradley Paul Mackler wrote 1,018 Medicare Part D claims in 2024

In 2024, Dr. Mackler wrote 1,018 Medicare Part D claims for 258 patients. 92% of them were for generic drugs. CMS names the drug for 946 of them, across 10 drugs with 11 or more claims each, at $97,247 in total drug cost. In 2023, CMS named 939 claims across 13 drugs.

Part D claims, 20241,018
Drugs named by CMS10
Total drug cost$97,247
Part D patients258

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

  • Generic938 claims92%
  • Brand-name80 claims8%

Dr. Mackler'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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 9392024: 9461%

Drugs named by CMS: 10 in 2024, 13 in 2023.

See all prescribing by Dr. Mackler

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. Bradley Paul Mackler scored 57 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 57 out of 100 for Dr. Mackler for performance year 2024, reported individually. Dr. Mackler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Mackler as offering telehealth. CMS counts 187 procedures of colonoscopy by Dr. Mackler, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Mackler's MIPS scores, performance year 2024

  • 57of 100Final score
  • 72.2of 100Quality
  • 0of 100Improvement Activities
  • 95of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Mackler ranks in Medicare procedure volume

Colonoscopy
92nd percentile187 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
83rd percentile136 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Bradley Paul Mackler received $5,117 in industry payments from 2016 to 2025

CMS Open Payments shows 184 general payments to Dr. Mackler from 25 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $907.

General payments to Dr. Mackler by program year, 2016 to 2025

General payments to Dr. Mackler by kind, 2016 to 2025

$5.1Kin total
  • Food and beverage$5,099100%
  • Consulting fees$190%

Companies that paid Dr. Mackler the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Mackler

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

Sources for Dr. Bradley Paul Mackler'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)Clinician Public Reporting: Overall MIPS Performance (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)
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. Bradley Paul Mackler

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. Bradley Paul Mackler's NPI number?

Dr. Bradley Paul Mackler's NPI number is 1356430854. It was assigned on October 12, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Bradley Paul Mackler?

Dr. Bradley Paul Mackler is a gastroenterologist in Seaford, Delaware. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Bradley Paul Mackler practice?

Dr. Mackler practices at 801 Middleford Rd, Seaford, DE 19973. Dr. Mackler's primary practice is TidalHealth Nanticoke in Seaford, Delaware, part of TidalHealth Peninsula Regional. Dmand AI also links Dr. Mackler to 3 hospitals, 2 medical groups, 1 physician office and 1 therapy and rehab clinic.

What is Dr. Bradley Paul Mackler's office phone number?

The practice phone on file for Dr. Mackler is (302) 629-6611.

What is Dr. Bradley Paul Mackler's medical license number?

Dr. Mackler holds Delaware license C10004336.

Which hospitals is Dr. Bradley Paul Mackler affiliated with?

Dr. Mackler practices at TidalHealth Nanticoke in Seaford, Delaware. Dr. Mackler is also affiliated with TidalHealth Peninsula Regional. Dmand AI links Dr. Mackler to 3 more hospitals.

What medical group is Dr. Bradley Paul Mackler part of?

Dr. Mackler is linked to TidalHealth Cardiovascular Surgery. Dmand AI links Dr. Mackler to 2 more medical groups.

Does Dr. Bradley Paul Mackler accept Medicare?

Yes. CMS data shows Dr. Mackler billed Medicare for 2,004 services in 2024, and Dr. Mackler accepts Medicare assignment.

Does Dr. Bradley Paul Mackler offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Mackler as offering telehealth services.

What is Dr. Bradley Paul Mackler's MIPS score?

Dr. Mackler's MIPS final score for performance year 2024 is 57 out of 100, reported individually.

Show 5 more questionsShow fewer questions

How many Medicare patients does Dr. Bradley Paul Mackler see?

CMS counts 769 Medicare patients who saw Dr. Mackler in 2024, with an average age of 73.

What services does Dr. Bradley Paul Mackler bill to Medicare?

In 2024, Dr. Mackler's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and office visit, established patient (99214).

What drugs does Dr. Bradley Paul Mackler prescribe most?

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

Has Dr. Bradley Paul Mackler received payments from drug or device companies?

CMS Open Payments shows $5,117 in general payments to Dr. Mackler from 25 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Bradley Paul Mackler been practicing?

Dr. Mackler graduated from medical school in 1988, 38 years ago.

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