Dr. Brennan William Essex, MD, PharmD
- Medicare services, 2024
- 192
- Medicare patients, 2024
- 180
- Part D claims, 2024
- 436
- Hospital affiliations
- 1
- Industry payments
- $23
- Practice address
- 711 Chesterfield Highway, Cheraw, SC 29520
- Practice phone
- Call (843) 537-7881
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Brennan William Essex is a general practice physician in Cheraw, South Carolina
Dr. Essex practices at McLeod Health Cheraw in Cheraw, South Carolina, part of McLeod Health.
Dr. Essex's NPI, 1508239112, was assigned on November 4, 2015. Dr. Essex graduated from Michigan State University College of Human Medicine in 2021. Dr. Essex holds Michigan license 4351048582.
- NPI
- 1508239112NPI Registry (opens in a new tab)
- NPI enumeration date
- November 4, 2015
- NPI status
- Active
- Practice phone
- (843) 537-7881
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Brennan William Essex practices at McLeod Health Cheraw in Cheraw, South Carolina
Dr. Essex's primary practice is McLeod Health Cheraw, at 711 Chesterfield Highway, Cheraw, SC 29520 in Chesterfield County. The practice phone is (843) 537-7881.
- McLeod Health Cheraw711 Chesterfield Highway, Cheraw, SC 29520 · Chesterfield CountyPhone(843) 537-7881
Source: Dmand AI Affiliation Data
Dr. Brennan William Essex is affiliated with 1 site of care and 1 medical group
Dr. Essex's primary practice is McLeod Health Cheraw in Cheraw, South Carolina, part of McLeod Health. The medical group on file is McLeod Health Cheraw.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Brennan William Essex's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Essex practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| McLeod Health Cheraw | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Brennan William Essex is one of 78 general practice physicians in South Carolina
General practice is Dr. Essex's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dmand AI has Dr. Essex's licenses on file in 2 states: Michigan and Ohio.
Specialties and state licenses
- General practice, MichiganPrimary
- Pharmacist, Ohio
General practice physicians near Dr. Essex
Counts of general practice physicians 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. Brennan William Essex billed Medicare for 192 services in 2024
CMS data shows 192 Medicare services from Dr. Essex across 3 procedure codes in 2024, for 180 Medicare patients. Medicare paid $19,538 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Essex compared with the South Carolina median for general practice physicians, 2024
- Dr. Essex
- South Carolina median
- Medicare services
- 192vs 30437% below
- Medicare patients
- 180vs 182Close to median
- Part D claims
- 297vs 25218% above
Medians across 72 general practice physicians in South Carolina with Dmand AI profiles that report each measure.
Dr. Essex'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Essex and other general practice physicians in South Carolina.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Brennan William Essex treated 180 Medicare patients in 2024, average age 73
CMS counts 180 Medicare patients who saw Dr. Essex in 2024. The largest group is 75 to 84, with 66 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.93, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Essex's median patient age at 69, with 60% women.
Dr. Essex's Medicare patients by age, 2024
Dr. Essex's Medicare patients by sex, 2024
- Women9955%
- Men8145%
Chronic conditions among Dr. Essex's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis56%
- Diabetes45%
- Anxiety39%
- Chronic kidney disease39%
- Heart failure33%
- COPD32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Essex's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Brennan William Essex wrote 436 Medicare Part D claims in 2024
In 2024, Dr. Essex wrote 436 Medicare Part D claims for 215 patients. 95% of them were for generic drugs. CMS names the drug for 297 of them, across 10 drugs with 11 or more claims each, at $1,582 in total drug cost. In 2023, CMS named 49 claims across 3 drugs.
Dr. Essex's Part D claims by kind of drug, 2024
- Generic414 claims95%
- Brand-name and other22 claims5%
Dr. Essex'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. Essex's Part D claims, 2024
- Opioids11%48 of 436 claims
- Antibiotics24%105 of 436 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: 492024: 297506%
Drugs named by CMS: 10 in 2024, 3 in 2023.
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
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Dr. Brennan William Essex received $23 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Essex from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $23.
Companies that paid Dr. Essex the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Brennan William Essex graduated from Michigan State University College of Human Medicine
Dr. Essex graduated from Michigan State University College of Human Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Brennan William Essex's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Brennan William Essex
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. Brennan William Essex's NPI number?
Dr. Brennan William Essex's NPI number is 1508239112. It was assigned on November 4, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Brennan William Essex?
Dr. Brennan William Essex is a general practice physician in Cheraw, South Carolina. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Brennan William Essex practice?
Dr. Essex practices at 711 Chesterfield Highway, Cheraw, SC 29520. Dr. Essex's primary practice is McLeod Health Cheraw in Cheraw, South Carolina, part of McLeod Health.
What is Dr. Brennan William Essex's office phone number?
The practice phone on file for Dr. Essex is (843) 537-7881.
What is Dr. Brennan William Essex's medical license number?
Dr. Essex holds Michigan license 4351048582, one of the licenses on file in 2 states.
Which states has Dr. Brennan William Essex been licensed in?
Dmand AI has state licenses on file for Dr. Essex in Michigan and Ohio.
Which hospitals is Dr. Brennan William Essex affiliated with?
Dr. Essex practices at McLeod Health Cheraw in Cheraw, South Carolina.
What medical group is Dr. Brennan William Essex part of?
Dr. Essex is linked to McLeod Health Cheraw.
Does Dr. Brennan William Essex accept Medicare?
Yes. CMS data shows Dr. Essex billed Medicare for 192 services in 2024.
How many Medicare patients does Dr. Brennan William Essex see?
CMS counts 180 Medicare patients who saw Dr. Essex in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Dr. Brennan William Essex bill to Medicare?
In 2024, Dr. Essex's most billed Medicare services were emergency department visit (99284), emergency department visit (99285) and emergency department visit (99283).
Where did Dr. Brennan William Essex go to medical school?
Dr. Essex graduated from Michigan State University College of Human Medicine in 2021.
What drugs does Dr. Brennan William Essex prescribe most?
In 2024 Medicare Part D data, Dr. Essex's most prescribed drugs by claims were Methocarbamol, Ibuprofen and Meloxicam.
Has Dr. Brennan William Essex received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Essex from 1 company from 2024 to 2024. The largest total came from Inari Medical, Inc.
How long has Dr. Brennan William Essex been practicing?
Dr. Essex graduated from medical school in 2021, 5 years ago.
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