Dr. Eric Omar Then, MD

  • Deland, FL
  • Gastroenterologist
NPI1336677798PAC ID3173999034
Medicare services, 2024
172
Medicare patients, 2024
155
Part D claims, 2024
68
Publications
40
MIPS score, 2024
100
Practice address
701 W Plymouth Ave, Deland, FL 32720
Practice phone
Call (386) 943-4522
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

AdventHealth DeLand

Hospital · Deland, Florida

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Dr. Eric Omar Then is a gastroenterologist in Deland, Florida

Dr. Then practices at AdventHealth DeLand in Deland, Florida, part of AdventHealth.

Dr. Then's NPI, 1336677798, was assigned on May 30, 2017. Dr. Then graduated from Universidad Iberoamericana (UNIBE) in 2015. Dr. Then's Massachusetts license number on file is 1013320.

NPI and contact details
Medicare PAC ID
3173999034
NPI enumeration date
May 30, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(386) 943-4522
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

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

Dr. Eric Omar Then practices at AdventHealth DeLand in Deland, Florida

Dr. Then's primary practice is AdventHealth DeLand, at 701 W Plymouth Ave, Deland, FL 32720 in Volusia County. The practice phone is (386) 943-4522.

  • AdventHealth DeLand
    701 W Plymouth Ave, Deland, FL 32720 · Volusia CountyPhone(386) 943-4522

Source: Dmand AI Affiliation Data

Dr. Eric Omar Then is affiliated with 3 sites of care and 1 medical group

Dr. Then's primary practice is AdventHealth DeLand in Deland, Florida, part of AdventHealth. The medical group on file is AdventHealth Medical Group. Dmand AI also links Dr. Then to 1 more behavioral health center and 1 group practice or clinic, each named with a free account.

See all 4 affiliations for Dr. Then

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

Dmand AI tracks the EHR system at Dr. Eric Omar Then's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Then practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
AdventHealth DeLandAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Eric Omar Then is one of 1,364 gastroenterologists in Florida

Gastroenterology is Dr. Then's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Then is board certified in gastroenterology by the American Board of Internal Medicine. Dmand AI has Dr. Then's licenses on file in 3 states: Massachusetts, Florida and New York.

Specialties and state licenses

  • Gastroenterology, MassachusettsPrimaryLicense 1013320 · 2023 to 2025 · taxonomy 207RG0100X
  • Florida licenseLicense ME168423 · 2024 to 2026
  • New York license2020 to 2026

Clinical focus

Dmand AI lists colonoscopy, pancreas or bile duct endoscopy (ERCP) and upper GI endoscopy among the conditions Dr. Then treats.

Gastroenterologists near Dr. Then

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. Eric Omar Then billed Medicare for 172 services in 2024

CMS data shows 172 Medicare services from Dr. Then across 8 procedure codes in 2024, for 155 Medicare patients. Medicare paid $11,903 for them.

Medicare services, 2024172
Medicare patients155
Paid by Medicare$11,903
Procedure codes8

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

  • 2023
  • 2024
Surgery
2023: 112024: 80627%
Office and hospital visits
2023: 02024: 59
Other services
2023: 242024: 3338%

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

  • In an office6236%
  • In a facility11064%

Dr. Then compared with the Florida median for gastroenterologists, 2024

  • Dr. Then
  • Florida median
Medicare services
172vs 58270% below
Medicare patients
155vs 32252% below
Part D claims
35vs 50293% below

Medians across 1,320 gastroenterologists in Florida with Dmand AI profiles that report each measure.

Dr. Then'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. Then and other gastroenterologists in Florida.

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

Dr. Eric Omar Then treated 155 Medicare patients in 2024, average age 74

CMS counts 155 Medicare patients who saw Dr. Then in 2024. The largest group is 65 to 74, with 60 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.85, 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. Then's median patient age at 72, with 59% women.

Medicare patients, 2024155
Average age74
Average risk score1.85
Also on Medicaid30%

Dr. Then's Medicare patients by age, 2024

Dr. Then's Medicare patients by sex, 2024

  • Women9964%
  • Men5636%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Chronic kidney disease47%
  5. Anxiety43%
  6. Diabetes41%
  7. Ischemic heart disease41%
  8. Mood disorders39%

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

Dr. Then's patients across all payers

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

Patient panel by age, all payers

Median age 72

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. Eric Omar Then wrote 68 Medicare Part D claims in 2024

In 2024, Dr. Then wrote 68 Medicare Part D claims for 61 patients. 90% of them were for generic drugs. CMS names the drug for 35 of them, across 2 drugs with 11 or more claims each, at $601 in total drug cost. In 2023, CMS named 133 claims across 5 drugs.

Part D claims, 202468
Drugs named by CMS2
Total drug cost$601
Part D patients61

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

  • Generic61 claims90%
  • Brand-name and other7 claims10%

Dr. Then'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: 1332024: 3574%

Drugs named by CMS: 2 in 2024, 5 in 2023.

See all prescribing by Dr. Then

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 Omar Then scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Then for performance year 2024, reported through an alternative payment model (APM). Dr. Then accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 139 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Then, more than 83% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Then's MIPS scores, performance year 2024

  • 100of 100Final score
  • 83of 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. Then ranks in Medicare procedure volume

Upper gastrointestinal (GI) endoscopy for acid reflux
83rd percentile139 procedures
Colonoscopy
70th percentile68 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. Eric Omar Then has 40 publications on record

Dmand AI links 40 papers to Dr. Then, published from 2018 to 2024. 2019 was the busiest year, with 12. The most frequent topics are Adenocarcinoma, Colitis, Ischemic and Gastrointestinal Hemorrhage. Dr. Then has published most often in Cureus. Dr. Then's most frequent co-authors are Tagore Sunkara, MD, Andrea N. Culliford, MD and Febin John, MD.

Papers40
Years published2018 to 2024

Dr. Then's papers by year, 2018 to 2024

Topics Dr. Then writes about most

  • Adenocarcinoma
  • Colitis, Ischemic
  • Gastrointestinal Hemorrhage
  • Hospital Mortality
  • Length of Stay
  • Tomography, X-Ray Computed

Dr. Then's most frequent co-authors

Recent publications by Dr. Then

See all 40 publications and co-authors

See who Dr. Then researches with

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

How network discovery works

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

Dr. Eric Omar Then received $2,333 in industry payments from 2020 to 2025

CMS Open Payments shows 63 general payments to Dr. Then from 10 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $911.

General payments to Dr. Then by program year, 2020 to 2025

Companies that paid Dr. Then the most, 2020 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Then

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

Dr. Eric Omar Then has 1 award and honors on record

Dmand AI lists 1 award for Dr. Then, most recently Fellow of the year award in 2023.

Awards and honors for Dr. Then

  1. 2023
    • Fellow of the year award

Source: Dmand AI Professional Profile Data

Dr. Eric Omar Then graduated from Universidad Iberoamericana (UNIBE)

Dr. Then graduated from Universidad Iberoamericana (UNIBE) in 2015. Dr. Then is a member of ACG, ACP, AGA and ASGE.

  1. Medical schoolUniversidad Iberoamericana (UNIBE)
  2. Board certified in gastroenterologyAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Eric Omar Then accepts plans from 8 insurance carriers

Dr. Then is in network with 8 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

  • Elevance
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Molina
  • MVP Health Care
  • Cigna
  • CMS Medicare
  • RI State Medicaid

Plan types Dr. Then accepts, by number of carriers

  1. Medicare5
  2. PPO4
  3. Medicaid3
  4. EPO2
  5. HMO2
  6. POS1

Source: Dmand AI Insurance Network Data

Sources for Dr. Eric Omar Then'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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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 Omar Then

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 Omar Then's NPI number?

Dr. Eric Omar Then's NPI number is 1336677798. It was assigned on May 30, 2017, and it is active in the NPI Registry.

What kind of doctor is Dr. Eric Omar Then?

Dr. Eric Omar Then is a gastroenterologist in Deland, Florida. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Eric Omar Then practice?

Dr. Then practices at 701 W Plymouth Ave, Deland, FL 32720. Dr. Then's primary practice is AdventHealth DeLand in Deland, Florida, part of AdventHealth. Dmand AI also links Dr. Then to 1 behavioral health center and 1 group practice or clinic.

What is Dr. Eric Omar Then's office phone number?

The practice phone on file for Dr. Then is (386) 943-4522.

What is Dr. Eric Omar Then's medical license number?

Dr. Then's Massachusetts license number on file is 1013320, one of the licenses on file in 3 states.

Which states has Dr. Eric Omar Then been licensed in?

Dmand AI has state licenses on file for Dr. Then in Massachusetts (2023 to 2025), Florida (2024 to 2026) and New York (2020 to 2026).

Which hospitals is Dr. Eric Omar Then affiliated with?

Dr. Then practices at AdventHealth DeLand in Deland, Florida.

What medical group is Dr. Eric Omar Then part of?

Dr. Then is linked to AdventHealth Medical Group.

Does Dr. Eric Omar Then accept Medicare?

Yes. CMS data shows Dr. Then billed Medicare for 172 services in 2024, and Dr. Then accepts Medicare assignment.

What is Dr. Eric Omar Then's MIPS score?

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

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Eric Omar Then see?

CMS counts 155 Medicare patients who saw Dr. Then in 2024, with an average age of 74.

Is Dr. Eric Omar Then board certified?

Yes. Dr. Then is board certified in gastroenterology by the American Board of Internal Medicine.

What services does Dr. Eric Omar Then bill to Medicare?

In 2024, Dr. Then's most billed Medicare services were hospital inpatient care (99221), medicare service (G0500) and surgery: digestive system (43239).

Where did Dr. Eric Omar Then go to medical school?

Dr. Then graduated from Universidad Iberoamericana (UNIBE) in 2015.

What drugs does Dr. Eric Omar Then prescribe most?

In 2024 Medicare Part D data, Dr. Then's most prescribed drugs by claims were Gavilyte-G and Gavilyte-C.

Has Dr. Eric Omar Then received payments from drug or device companies?

CMS Open Payments shows $2,333 in general payments to Dr. Then from 10 companies from 2020 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Eric Omar Then been practicing?

Dr. Then graduated from medical school in 2015, 11 years ago.

Does Dr. Eric Omar Then do research?

Dmand AI links 40 publications to Dr. Then, published from 2018 to 2024.

Who does Dr. Eric Omar Then publish with?

Dr. Then's most frequent co-authors are Tagore Sunkara, MD (15 shared papers), Andrea N. Culliford, MD (6 shared papers) and Febin John, MD (6 shared papers).

What insurance does Dr. Eric Omar Then accept?

Dr. Then is in network with 8 carriers, including Elevance, Blue Cross Blue Shield of Massachusetts and HCSC. Medicare plans come from the most carriers, 5. Check the plan with the practice before a visit.

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