Dr. Efstathia Choros, MD
- Medicare services, 2024
- 330
- Medicare patients, 2024
- 345
- Part D claims, 2024
- 78
- MIPS score, 2024
- 100
- Hospital affiliations
- 2
- Practice address
- 55 North Ave, Mendon, MA 01756
- Practice phone
- Call (508) 334-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Umass Memorial Medical Center
Mendon, Massachusetts
Find Dr. Choros' professional email, personal email and mobile number
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Dr. Efstathia Choros is an emergency medicine physician in Mendon, Massachusetts
Dr. Choros practices at Umass Memorial Medical Center in Mendon, Massachusetts.
Dr. Choros' NPI, 1689037467, was assigned on March 30, 2016. Dr. Choros holds Massachusetts license 291666.
- NPI
- 1689037467NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2264726686
- NPI enumeration date
- March 30, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (508) 334-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Efstathia Choros practices at Umass Memorial Medical Center in Mendon, Massachusetts
Dr. Choros' primary practice is Umass Memorial Medical Center, at 55 North Ave, Mendon, MA 01756 in Worcester County. The practice phone is (508) 334-1000.
- Umass Memorial Medical Center55 North Ave, Mendon, MA 01756 · Worcester CountyPhone(508) 334-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Efstathia Choros is affiliated with 3 sites of care and 1 medical group
Dr. Choros' primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dr. Choros is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Dr. Choros to 1 more hospital, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Efstathia Choros' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Choros practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Umass Memorial Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Efstathia Choros is one of 1,483 emergency medicine physicians in Massachusetts
Emergency medicine is Dr. Choros' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Choros is licensed in Massachusetts.
Specialties and state licenses
- Emergency medicine, MassachusettsPrimary
Emergency medicine physicians near Dr. Choros
Counts of emergency medicine 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. Efstathia Choros billed Medicare for 330 services in 2024
CMS data shows 330 Medicare services from Dr. Choros across 3 procedure codes in 2024, for 345 Medicare patients. Medicare paid $37,676 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Choros' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3612024: 3309%
Dr. Choros compared with the Massachusetts median for emergency medicine physicians, 2024
- Dr. Choros
- Massachusetts median
- Medicare services
- 330vs 341Close to median
- Medicare patients
- 345vs 337Close to median
- Part D claims
- 13vs 3664% below
Medians across 1,477 emergency medicine physicians in Massachusetts with Dmand AI profiles that report each measure.
Dr. Choros' 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. Efstathia Choros treated 345 Medicare patients in 2024, average age 72
CMS counts 345 Medicare patients who saw Dr. Choros in 2024. The largest group is 65 to 74, with 107 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.24, 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. Choros' median patient age at 71, with 51% women.
Dr. Choros' Medicare patients by age, 2024
Dr. Choros' Medicare patients by sex, 2024
- Women20158%
- Men14442%
Chronic conditions among Dr. Choros' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Anxiety53%
- Mood disorders53%
- Arthritis52%
- Depression48%
- Ischemic heart disease37%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Choros' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Efstathia Choros wrote 78 Medicare Part D claims in 2024
In 2024, Dr. Choros wrote 78 Medicare Part D claims for 62 patients. 94% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $478 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Choros' Part D claims by kind of drug, 2024
- Generic73 claims94%
- Brand-name and other5 claims6%
Dr. Choros' 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. Choros' Part D claims, 2024
- Opioids17%13 of 78 claims
- Antibiotics37%29 of 78 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: 112024: 1318%
Drugs named by CMS: 1 in 2024, 1 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. Efstathia Choros 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. Choros for performance year 2024, reported through an alternative payment model (APM). Dr. Choros accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Choros' 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.
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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Sources for Dr. Efstathia Choros'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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) |
| 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) |
| 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. Efstathia Choros
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. Efstathia Choros' NPI number?
Dr. Efstathia Choros' NPI number is 1689037467. It was assigned on March 30, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Efstathia Choros?
Dr. Efstathia Choros is an emergency medicine physician in Mendon, Massachusetts. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Efstathia Choros practice?
Dr. Choros practices at 55 North Ave, Mendon, MA 01756. Dr. Choros' primary practice is Umass Memorial Medical Center in Mendon, Massachusetts. Dmand AI also links Dr. Choros to 1 hospital.
What is Dr. Efstathia Choros' office phone number?
The practice phone on file for Dr. Choros is (508) 334-1000.
What is Dr. Efstathia Choros' medical license number?
Dr. Choros holds Massachusetts license 291666.
Which hospitals is Dr. Efstathia Choros affiliated with?
Dr. Choros is affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Dr. Choros to 1 more hospital.
What medical group is Dr. Efstathia Choros part of?
Dr. Choros is linked to UMass Memorial Medical Group.
Does Dr. Efstathia Choros accept Medicare?
Yes. CMS data shows Dr. Choros billed Medicare for 330 services in 2024, and Dr. Choros accepts Medicare assignment.
What is Dr. Efstathia Choros' MIPS score?
Dr. Choros' MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Efstathia Choros see?
CMS counts 345 Medicare patients who saw Dr. Choros in 2024, with an average age of 72.
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What services does Dr. Efstathia Choros bill to Medicare?
In 2024, Dr. Choros' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and emergency department visit (99283).
What drugs does Dr. Efstathia Choros prescribe most?
In 2024 Medicare Part D data, Dr. Choros' most prescribed drugs by claims were Cefpodoxime Proxetil.
How long has Dr. Efstathia Choros been practicing?
Dr. Choros graduated from medical school in 2016, 10 years ago.
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