Dr. Eric Joel Demaria, MD

  • Greenville, NC
  • General surgeon
NPI1518048586PAC ID3577595826
Medicare services, 2023
52
Medicare patients, 2024
21
Part D claims, 2024
54
Publications
33
MIPS score, 2024
97
Practice address
2100 Stantonsburg Rd, Greenville, NC 27834
Practice phone
Call (252) 847-4100
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

ECU Health Medical Center

Hospital · Greenville, North Carolina

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Dr. Eric Joel Demaria is a general surgeon in Greenville, North Carolina

Dr. Demaria practices at ECU Health Medical Center in Greenville, North Carolina, part of University Health Systems of Eastern Carolina.

Dr. Demaria's NPI, 1518048586, was assigned on October 18, 2006. Dr. Demaria graduated from Boston University School of Medicine in 1983. Dr. Demaria holds North Carolina license 2005-01604.

NPI and contact details
Medicare PAC ID
3577595826
NPI enumeration date
October 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(252) 847-4100
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

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

Dr. Eric Joel Demaria practices at ECU Health Medical Center in Greenville, North Carolina

Dr. Demaria's primary practice is ECU Health Medical Center, at 2100 Stantonsburg Rd, Greenville, NC 27834 in Pitt County. The practice phone is (252) 847-4100.

Source: Dmand AI Affiliation Data

Dr. Eric Joel Demaria is affiliated with 2 sites of care and 1 medical group

Dr. Demaria's primary practice is ECU Health Medical Center in Greenville, North Carolina, part of University Health Systems of Eastern Carolina. The medical group on file is ECU Health Physicians. Dmand AI also links Dr. Demaria to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Dr. Demaria

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

Dmand AI tracks the EHR system at Dr. Eric Joel Demaria's practice

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

EHR by site
SiteEHR vendor and product
ECU Health Medical CenterAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dmand AI maps EHR vendors, IT decision makers and buying committees across University Health Systems of Eastern Carolina and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Eric Joel Demaria is one of 1,053 general surgeons in North Carolina

Surgery is Dr. Demaria's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Demaria's licenses on file in 2 states: North Carolina and Virginia.

Specialties and state licenses

  • Surgery, North CarolinaPrimaryLicense 2005--01604 · taxonomy 208600000X
  • Virginia licenseLicense 0101045377

General surgeons near Dr. Demaria

Counts of general surgeons 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. Eric Joel Demaria billed Medicare for 52 services in 2023

CMS data shows 52 Medicare services from Dr. Demaria across 2 procedure codes in 2023, all of them office visits, for 21 Medicare patients. Medicare paid $4,138 for them. Every service was in an office.

Medicare services, 202352
Medicare patients21
Paid by Medicare$4,138
Procedure codes2

Dr. Demaria's Medicare services by type, 2022 to 2023

  • 2022
  • 2023
Office and hospital visits
2022: 162023: 52225%

Dr. Demaria compared with the North Carolina median for general surgeons, 2023

  • Dr. Demaria
  • North Carolina median
Medicare services
52vs 15166% below
Medicare patients
21vs 11582% below
Part D claims
37vs 4110% below

Medians across 950 general surgeons in North Carolina with Dmand AI profiles that report each measure.

Dr. Demaria's most billed Medicare procedure codes, 2023

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. Demaria

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Demaria and other general surgeons in North Carolina.

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

Dr. Eric Joel Demaria treated 21 Medicare patients in 2024, average age 64

CMS counts 21 Medicare patients who saw Dr. Demaria in 2024. 75% of them have high blood pressure, and 67% have arthritis. Their average risk score is 1.84, 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. Demaria's median patient age at 62, with 69% women.

Medicare patients, 202421
Average age64
Average risk score1.84

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

  1. High blood pressure75%
  2. Arthritis67%
  3. High cholesterol67%
  4. Diabetes52%

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

Dr. Demaria's patients across all payers

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

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women69%
  • Men29%

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

Dr. Eric Joel Demaria wrote 54 Medicare Part D claims in 2024

In 2024, Dr. Demaria wrote 54 Medicare Part D claims for 13 patients. 76% of them were for generic drugs. CMS names the drug for 37 of them, across 2 drugs with 11 or more claims each, at $352 in total drug cost. In 2023, CMS named 36 claims across 2 drugs.

Part D claims, 202454
Drugs named by CMS2
Total drug cost$352
Part D patients13

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

  • Generic41 claims76%
  • Brand-name13 claims24%

Dr. Demaria'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: 362024: 373%

Drugs named by CMS: 2 in 2024, 2 in 2023.

See all prescribing by Dr. Demaria

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. Eric Joel Demaria scored 97 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Demaria for performance year 2024, reported through an alternative payment model (APM). Dr. Demaria accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Demaria's MIPS scores, performance year 2024

  • 97of 100Final score
  • 82.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

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

Hernia repair - groin (open): 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. Eric Joel Demaria has 33 publications on record

Dmand AI links 33 papers to Dr. Demaria, published from 2012 to 2024. 2021 was the busiest year, with 6. The most frequent topics are Bariatric Surgery, Obesity, Morbid and Gastric Bypass. Dr. Demaria has published most often in Surg Obes Relat Dis. Dr. Demaria's most frequent co-authors are Maria Spassova Altieri, MD, Walter J. Pories, MD and Raul Jacobo Rosenthal, MD.

Papers33
Years published2012 to 2024

Dr. Demaria's papers by year, 2015 to 2024

Topics Dr. Demaria writes about most

  • Bariatric Surgery
  • Obesity, Morbid
  • Gastric Bypass
  • Gastrectomy
  • Obesity
  • Body Mass Index
  • Reoperation
  • Weight Loss

Dr. Demaria's most frequent co-authors

Recent publications by Dr. Demaria

See all 33 publications and co-authors

See who Dr. Demaria researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Demaria 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. Eric Joel Demaria received $106,003 in industry payments from 2016 to 2025

CMS Open Payments shows 270 general payments to Dr. Demaria from 24 drug and device companies from 2016 to 2025. Honoraria make up the largest share, 40% of the total. W. L. Gore & Associates, Inc. paid the most, $49,927.

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

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

$106Kin total
  • Honoraria$41,92540%
  • Speaker and faculty fees$16,95016%
  • Education$14,50014%
  • Food and beverage$13,98613%
  • Other$18,64218%

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

Share is of all general payments to this clinician.

See all payments to Dr. Demaria

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

Dr. Eric Joel Demaria graduated from Boston University School of Medicine

Dr. Demaria graduated from Boston University School of Medicine in 1983.

  1. Medical schoolBoston University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Eric Joel Demaria'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)
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. Eric Joel Demaria

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. Eric Joel Demaria's NPI number?

Dr. Eric Joel Demaria's NPI number is 1518048586. It was assigned on October 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric Joel Demaria?

Dr. Eric Joel Demaria is a general surgeon in Greenville, North Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Dr. Eric Joel Demaria practice?

Dr. Demaria practices at 2100 Stantonsburg Rd, Greenville, NC 27834. Dr. Demaria's primary practice is ECU Health Medical Center in Greenville, North Carolina, part of University Health Systems of Eastern Carolina. Dmand AI also links Dr. Demaria to 1 group practice or clinic.

What is Dr. Eric Joel Demaria's office phone number?

The practice phone on file for Dr. Demaria is (252) 847-4100.

What is Dr. Eric Joel Demaria's medical license number?

Dr. Demaria holds North Carolina license 2005-01604, one of the licenses on file in 2 states.

Which states has Dr. Eric Joel Demaria been licensed in?

Dmand AI has state licenses on file for Dr. Demaria in North Carolina and Virginia.

Which hospitals is Dr. Eric Joel Demaria affiliated with?

Dr. Demaria practices at ECU Health Medical Center in Greenville, North Carolina.

What medical group is Dr. Eric Joel Demaria part of?

Dr. Demaria is linked to ECU Health Physicians.

Does Dr. Eric Joel Demaria accept Medicare?

Yes. CMS data shows Dr. Demaria billed Medicare for 52 services in 2023, and Dr. Demaria accepts Medicare assignment.

What is Dr. Eric Joel Demaria's MIPS score?

Dr. Demaria's MIPS final score for performance year 2024 is 97 out of 100, reported through an alternative payment model (APM).

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Eric Joel Demaria see?

CMS counts 21 Medicare patients who saw Dr. Demaria in 2024, with an average age of 64.

What services does Dr. Eric Joel Demaria bill to Medicare?

In 2023, Dr. Demaria's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).

Where did Dr. Eric Joel Demaria go to medical school?

Dr. Demaria graduated from Boston University School of Medicine in 1983.

What drugs does Dr. Eric Joel Demaria prescribe most?

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

Has Dr. Eric Joel Demaria received payments from drug or device companies?

CMS Open Payments shows $106,003 in general payments to Dr. Demaria from 24 companies from 2016 to 2025. The largest total came from W. L. Gore & Associates, Inc.

How long has Dr. Eric Joel Demaria been practicing?

Dr. Demaria graduated from medical school in 1983, 43 years ago.

Does Dr. Eric Joel Demaria do research?

Dmand AI links 33 publications to Dr. Demaria, published from 2012 to 2024.

Who does Dr. Eric Joel Demaria publish with?

Dr. Demaria's most frequent co-authors are Maria Spassova Altieri, MD (9 shared papers), Walter J. Pories, MD (6 shared papers) and Raul Jacobo Rosenthal, MD (6 shared papers).

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