Dr. Vanchad C. Memark, MD

  • Hiram, GA
  • General surgeon
NPI1013196492PAC ID3375696503
Medicare services, 2024
238
Medicare patients, 2024
143
Part D claims, 2024
148
Publications
2
MIPS score, 2024
94
Practice address
148 Bill Carruth Pkwy, Hiram, GA 30141
Practice phone
Call (470) 267-2433
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Wellstar Medical Group

Hiram, Georgia

See all 6 affiliations

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Dr. Vanchad C. Memark is a general surgeon in Hiram, Georgia

Dr. Memark practices at Wellstar Medical Group in Hiram, Georgia.

Dr. Memark's NPI, 1013196492, was assigned on November 1, 2007. Dr. Memark graduated from Loyola University of Chicago, Stritch School of Medicine in 2004. Dr. Memark holds Georgia license 64416.

NPI and contact details
Medicare PAC ID
3375696503
NPI enumeration date
November 1, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(470) 267-2433
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
48
Medical school graduation
2004

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

Dr. Vanchad C. Memark practices at Wellstar Medical Group in Hiram, Georgia

Dr. Memark's primary practice is Wellstar Medical Group, at 148 Bill Carruth Pkwy, Hiram, GA 30141 in Paulding County. The practice phone is (470) 267-2433.

  • Wellstar Medical Group
    148 Bill Carruth Pkwy, Hiram, GA 30141 · Paulding CountyPhone(470) 267-2433

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

Dr. Vanchad C. Memark is affiliated with 5 sites of care and 1 medical group

Dr. Memark's primary practice is Wellstar Medical Group in Hiram, Georgia. Dr. Memark is also affiliated with Wellstar Paulding Medical Center. The medical group on file is Wellstar Medical Group. Dmand AI also links Dr. Memark to 2 more hospitals and 1 group practice or clinic, each named with a free account.

See all 6 affiliations for Dr. Memark

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

Dmand AI tracks the EHR system at Dr. Vanchad C. Memark's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Memark practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Wellstar Medical GroupAvailable with a free account
+4 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Vanchad C. Memark is one of 853 general surgeons in Georgia

Surgery is Dr. Memark's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Memark is licensed in Georgia.

Specialties and state licenses

  • Surgery, GeorgiaPrimaryLicense 64416 · taxonomy 208600000X

General surgeons near Dr. Memark

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

853general surgeons in Georgia
3general surgeons in Hiram

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

Dr. Vanchad C. Memark billed Medicare for 238 services in 2024

CMS data shows 238 Medicare services from Dr. Memark across 6 procedure codes in 2024, for 143 Medicare patients. Medicare paid $24,040 for them.

Medicare services, 2024238
Medicare patients143
Paid by Medicare$24,040
Procedure codes6

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

  • 2023
  • 2024
Office and hospital visits
2023: 2552024: 22512%
Surgery
2023: 222024: 1341%

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

  • In an office8937%
  • In a facility14963%

Dr. Memark compared with the Georgia median for general surgeons, 2024

  • Dr. Memark
  • Georgia median
Medicare services
238vs 15059% above
Medicare patients
143vs 10931% above
Part D claims
117vs 542.2 times

Medians across 789 general surgeons in Georgia with Dmand AI profiles that report each measure.

Dr. Memark'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. Memark

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

Dr. Vanchad C. Memark treated 143 Medicare patients in 2024, average age 73

CMS counts 143 Medicare patients who saw Dr. Memark in 2024. The largest group is 65 to 74, with 70 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.87, 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. Memark's median patient age at 67, with 59% women.

Medicare patients, 2024143
Average age73
Average risk score1.87
Also on Medicaid13%

Dr. Memark's Medicare patients by age, 2024

Dr. Memark's Medicare patients by sex, 2024

  • Women7150%
  • Men7250%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis48%
  4. Diabetes43%
  5. Ischemic heart disease40%
  6. Cancer31%
  7. Chronic kidney disease31%
  8. Heart failure28%

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

Dr. Memark'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

  • Women59%
  • Men41%

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

Dr. Vanchad C. Memark wrote 148 Medicare Part D claims in 2024

In 2024, Dr. Memark wrote 148 Medicare Part D claims for 85 patients. 100% of them were for generic drugs. CMS names the drug for 117 of them, across 4 drugs with 11 or more claims each, at $623 in total drug cost. In 2023, CMS named 64 claims across 3 drugs.

Part D claims, 2024148
Drugs named by CMS4
Total drug cost$623
Part D patients85

Dr. Memark'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. Memark's Part D claims, 2024

  • Opioids49%72 of 148 claims
  • Antibiotics22%32 of 148 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: 642024: 11783%

Drugs named by CMS: 4 in 2024, 3 in 2023.

See all prescribing by Dr. Memark

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. Vanchad C. Memark scored 94 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Memark for performance year 2024, reported through an alternative payment model (APM). Dr. Memark accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 14 procedures of hernia repair (minimally invasive) by Dr. Memark, more than 80% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Memark's MIPS scores, performance year 2024

  • 94of 100Final score
  • 82.1of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Where Dr. Memark ranks in Medicare procedure volume

Hernia repair (minimally invasive)
80th percentile14 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)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 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); 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. Vanchad C. Memark has 2 publications on record

Dmand AI links 2 papers to Dr. Memark, published from 2011 to 2012. The most frequent topics are Gastric Bypass, Natural Orifice Endoscopic Surgery and Peritoneal Cavity. Dr. Memark's most frequent co-authors are Jeffrey W. Hazey, MD, Peter Nealey Nau, MD and Bradley J. Needleman, MD.

Papers2
Years published2011 to 2012

Topics Dr. Memark writes about most

  • Gastric Bypass
  • Natural Orifice Endoscopic Surgery
  • Peritoneal Cavity

Dr. Memark's most frequent co-authors

Recent publications by Dr. Memark

See all 2 publications and co-authors

See who Dr. Memark researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Memark works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Vanchad C. Memark received $12,147 in industry payments from 2016 to 2025

CMS Open Payments shows 15 general payments to Dr. Memark from 5 drug and device companies from 2016 to 2025. Education make up the largest share, 95% of the total. Intuitive Surgical, Inc. paid the most, $12,028.

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

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

$12.1Kin total
  • Education$11,50095%
  • Food and beverage$6305%
  • Gifts$160%

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

Share is of all general payments to this clinician.

See all payments to Dr. Memark

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

Dr. Vanchad C. Memark graduated from Loyola University of Chicago, Stritch School of Medicine

Dr. Memark graduated from Loyola University of Chicago, Stritch School of Medicine in 2004.

  1. Medical schoolLoyola University of Chicago, Stritch School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Vanchad C. Memark'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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. Vanchad C. Memark

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. Vanchad C. Memark's NPI number?

Dr. Vanchad C. Memark's NPI number is 1013196492. It was assigned on November 1, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Vanchad C. Memark?

Dr. Vanchad C. Memark is a general surgeon in Hiram, Georgia. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Vanchad C. Memark practice?

Dr. Memark practices at 148 Bill Carruth Pkwy, Hiram, GA 30141. Dr. Memark's primary practice is Wellstar Medical Group in Hiram, Georgia. Dmand AI also links Dr. Memark to 2 hospitals and 1 group practice or clinic.

What is Dr. Vanchad C. Memark's office phone number?

The practice phone on file for Dr. Memark is (470) 267-2433.

What is Dr. Vanchad C. Memark's medical license number?

Dr. Memark holds Georgia license 64416.

Which hospitals is Dr. Vanchad C. Memark affiliated with?

Dr. Memark is affiliated with Wellstar Paulding Medical Center. Dmand AI links Dr. Memark to 2 more hospitals.

What medical group is Dr. Vanchad C. Memark part of?

Dr. Memark is linked to Wellstar Medical Group.

Does Dr. Vanchad C. Memark accept Medicare?

Yes. CMS data shows Dr. Memark billed Medicare for 238 services in 2024, and Dr. Memark accepts Medicare assignment.

What is Dr. Vanchad C. Memark's MIPS score?

Dr. Memark's MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Dr. Vanchad C. Memark see?

CMS counts 143 Medicare patients who saw Dr. Memark in 2024, with an average age of 73.

Show 7 more questionsShow fewer questions

What services does Dr. Vanchad C. Memark bill to Medicare?

In 2024, Dr. Memark's most billed Medicare services were hospital inpatient care (99232), office visit, new patient (99203) and hospital inpatient care (99222).

Where did Dr. Vanchad C. Memark go to medical school?

Dr. Memark graduated from Loyola University of Chicago, Stritch School of Medicine in 2004.

What drugs does Dr. Vanchad C. Memark prescribe most?

In 2024 Medicare Part D data, Dr. Memark's most prescribed drugs by claims were Oxycodone-Acetaminophen, Ketorolac Tromethamine and Ciprofloxacin HCl.

Has Dr. Vanchad C. Memark received payments from drug or device companies?

CMS Open Payments shows $12,147 in general payments to Dr. Memark from 5 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Dr. Vanchad C. Memark been practicing?

Dr. Memark graduated from medical school in 2004, 22 years ago.

Does Dr. Vanchad C. Memark do research?

Dmand AI links 2 publications to Dr. Memark, published from 2011 to 2012.

Who does Dr. Vanchad C. Memark publish with?

Dr. Memark's most frequent co-authors are Jeffrey W. Hazey, MD (2 shared papers), Peter Nealey Nau, MD (2 shared papers) and Bradley J. Needleman, MD (2 shared papers).

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