Am J Phys Med Rehabil
Body Mass IndexHealth StatusIndependent Living
Dr. Regina Eum, MD
NPI1003067604PAC ID0648437087
- Medicare services, 2024
- 220
- Medicare patients, 2024
- 98
- Part D claims, 2024
- 390
- Publications
- 3
- Clinical trials
- 10
- Practice address
- 300 Post Rd W, Westport, CT 06880
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hartford Healthcare Medical Group - HOPD
Acute Care Hospital outpatient department · Westport, Connecticut
Find Dr. Eum's professional email, personal email and mobile number
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Dr. Regina Eum is a physiatrist in Westport, Connecticut
Dr. Eum practices at Hartford Healthcare Medical Group - HOPD in Westport, Connecticut.
Dr. Eum's NPI, 1003067604, was assigned on October 1, 2008. Dr. Eum graduated from Columbia University College of Physicians and Surgeons in 2008. Dr. Eum holds Connecticut license 053139.
NPI and contact details
- NPI
- 1003067604NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648437087
- NPI enumeration date
- October 1, 2008
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Regina Eum practices at Hartford Healthcare Medical Group - HOPD in Westport, Connecticut
Dr. Eum's primary practice is Hartford Healthcare Medical Group - HOPD, at 300 Post Rd W, Westport, CT 06880.
- Hartford Healthcare Medical Group - HOPD300 Post Rd W, Westport, CT 06880
Source: Dmand AI Affiliation Data
Dr. Regina Eum is affiliated with 8 sites of care and 4 medical groups
Dr. Eum's primary practice is Hartford Healthcare Medical Group - HOPD in Westport, Connecticut. Dr. Eum is also affiliated with Bridgeport Hospital. The medical group on file is Hartford HealthCare Medical Group Specialists. Dmand AI also links Dr. Eum to 3 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account. Dr. Eum's employer is on file too: a hospital.
Hartford Healthcare Medical Group - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Regina Eum's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Eum practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hartford Healthcare Medical Group - HOPD | Available with a free account |
| +7 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Regina Eum is one of 123 physiatrists in Connecticut
Physical medicine and rehabilitation is Dr. Eum's primary specialty in the NPI Registry, under taxonomy code 208100000X. Dr. Eum is licensed in Connecticut.
Specialties and state licenses
- Physical medicine and rehabilitation, ConnecticutPrimary
Physiatrists near Dr. Eum
Counts of physiatrists 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. Regina Eum billed Medicare for 220 services in 2024
CMS data shows 220 Medicare services from Dr. Eum across 4 procedure codes in 2024, for 98 Medicare patients. Medicare paid $28,680 for them. Every service was in an office.
Medicare services, 2024220
Medicare patients98
Paid by Medicare$28,680
Procedure codes4
Dr. Eum's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1972024: 17710%
- Other services
- 2023: 362024: 4319%
Dr. Eum compared with the Connecticut median for physiatrists, 2024
- Dr. Eum
- Connecticut median
- Medicare services
- 220vs 68468% below
- Medicare patients
- 98vs 12320% below
- Part D claims
- 348vs 1302.7 times
Medians across 115 physiatrists in Connecticut with Dmand AI profiles that report each measure.
Dr. Eum'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. Regina Eum treated 98 Medicare patients in 2024, average age 73
CMS counts 98 Medicare patients who saw Dr. Eum in 2024. The largest group is 75 to 84, with 46 patients. 75% of them have arthritis, and 75% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.31, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Eum's median patient age at 64, with 62% women.
Medicare patients, 202498
Average age73
Average risk score1.31
Also on Medicaid21%
Dr. Eum's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Eum's Medicare patients by sex, 2024
- Women5657%
- Men4243%
Chronic conditions among Dr. Eum's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure67%
- Ischemic heart disease36%
- Anxiety35%
- Mood disorders27%
- Osteoporosis21%
- Depression20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Eum'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
- Women62%
- Men35%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Regina Eum wrote 390 Medicare Part D claims in 2024
In 2024, Dr. Eum wrote 390 Medicare Part D claims for 105 patients. 99% of them were for generic drugs. CMS names the drug for 348 of them, across 13 drugs with 11 or more claims each, at $7,022 in total drug cost. In 2023, CMS named 282 claims across 10 drugs.
Part D claims, 2024390
Drugs named by CMS13
Total drug cost$7,022
Part D patients105
Dr. Eum's Part D claims by kind of drug, 2024
- Generic388 claims99%
- Brand-name and other2 claims1%
Dr. Eum'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: 2822024: 34823%
Drugs named by CMS: 13 in 2024, 10 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
Dr. Regina Eum scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Eum for performance year 2024, reported as part of a group. Dr. Eum accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Eum as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Eum's MIPS scores, performance year 2024
- 90of 100Final score
- 83.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Regina Eum has 3 publications on record
Dmand AI links 3 papers to Dr. Eum in 2014. Dr. Eum's most frequent co-authors are Allen W. Brown, MD, Ross Dennis Zafonte, DO and Nathan David Zasler, MD.
Papers3
Dr. Eum's most frequent co-authors
- Allen W. Brown, MD2 shared papers
- Ross Dennis Zafonte, DO2 shared papers
- Nathan David Zasler, MD2 shared papers
Recent publications by Dr. Eum
J Head Trauma Rehabil
Analysis of VarianceBrain Injuries, TraumaticConfidence Intervals
See who Dr. Eum researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Eum works with, so you can find a warm path to the right physiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Regina Eum has worked on 10 clinical trials
Dmand AI links Dr. Eum to 10 clinical trials, 4 of them phase 2 studies. 9 are still active or recruiting. Conditions studied include Adenocarcinoma of Lung, Biliary Atresia and Low Back Pain.
Clinical trials with Dr. Eum by phase
- NonePhase 1: no trials
- 4Phase 2: 4 trials
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Eum's trials
- Adenocarcinoma of Lung
- Biliary Atresia
- Low Back Pain
- Malocclusion
- Muscular Atrophy
Investigators on the most trials with Dr. Eum
- Kader Tawfiq Abdelerahman, MD10 shared trials
- Randa Abdelmasih, MD10 shared trials
- Marjorie E. Affel, MD10 shared trials
Recent clinical trials with Dr. Eum
Soft Tissue InjuriesWounds and InjuriesA percussion massage gunSpecially designed stainless-steel instruments
Adenocarcinoma of LungAdenocarcinoma
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Regina Eum received $306 in industry payments from 2016 to 2017
CMS Open Payments shows 45 general payments to Dr. Eum from 9 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Horizon Pharma plc paid the most, $109.
General payments to Dr. Eum by program year, 2016 to 2017
Companies that paid Dr. Eum the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Regina Eum graduated from Columbia University College of Physicians and Surgeons
Dr. Eum graduated from Columbia University College of Physicians and Surgeons in 2008.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Regina Eum'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (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. Regina Eum
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. Regina Eum's NPI number?
Dr. Regina Eum's NPI number is 1003067604. It was assigned on October 1, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Regina Eum?
Dr. Regina Eum is a physiatrist in Westport, Connecticut. The primary specialty in the NPI Registry is Physical Medicine & Rehabilitation Physician (taxonomy code 208100000X).
Where does Dr. Regina Eum practice?
Dr. Eum practices at 300 Post Rd W, Westport, CT 06880. Dr. Eum's primary practice is Hartford Healthcare Medical Group - HOPD in Westport, Connecticut. Dmand AI also links Dr. Eum to 3 hospitals, 3 group practices and clinics and 3 medical groups.
What is Dr. Regina Eum's medical license number?
Dr. Eum holds Connecticut license 053139.
Which hospitals is Dr. Regina Eum affiliated with?
Dr. Eum is affiliated with Bridgeport Hospital. Dmand AI links Dr. Eum to 3 more hospitals.
What medical group is Dr. Regina Eum part of?
Dr. Eum is linked to Hartford HealthCare Medical Group Specialists. Dmand AI links Dr. Eum to 3 more medical groups.
Does Dr. Regina Eum accept Medicare?
Yes. CMS data shows Dr. Eum billed Medicare for 220 services in 2024, and Dr. Eum accepts Medicare assignment.
Does Dr. Regina Eum offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Eum as offering telehealth services.
What is Dr. Regina Eum's MIPS score?
Dr. Eum's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Regina Eum see?
CMS counts 98 Medicare patients who saw Dr. Eum in 2024, with an average age of 73.
Show 7 more questionsShow fewer questions
What services does Dr. Regina Eum bill to Medicare?
In 2024, Dr. Eum's most billed Medicare services were office visit, established patient (99215), office visit, new patient (99205) and medicare service (G2212).
Where did Dr. Regina Eum go to medical school?
Dr. Eum graduated from Columbia University College of Physicians and Surgeons in 2008.
What drugs does Dr. Regina Eum prescribe most?
In 2024 Medicare Part D data, Dr. Eum's most prescribed drugs by claims were Gabapentin, Pregabalin and Methocarbamol.
Has Dr. Regina Eum received payments from drug or device companies?
CMS Open Payments shows $306 in general payments to Dr. Eum from 9 companies from 2016 to 2017. The largest total came from Horizon Pharma plc.
How long has Dr. Regina Eum been practicing?
Dr. Eum graduated from medical school in 2008, 18 years ago.
Does Dr. Regina Eum do research?
Dmand AI links 3 publications to Dr. Eum. Dr. Eum has worked on 10 clinical trials.
Who does Dr. Regina Eum publish with?
Dr. Eum's most frequent co-authors are Allen W. Brown, MD (2 shared papers), Ross Dennis Zafonte, DO (2 shared papers) and Nathan David Zasler, MD (2 shared papers).
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