Dr. Elena F. Flagg, MD
- Medicare services, 2024
- 307,741
- Medicare patients, 2024
- 679
- Part D claims, 2024
- 2,249
- MIPS score, 2024
- 92
- Hospital affiliations
- 6
- Practice address
- 100 Sentara Circle, Williamsburg, VA 23188
- Practice phone
- Call (757) 984-7409
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sentara Williamsburg Regional - Unit
Acute Care Hospital-Unit · Williamsburg, Virginia
Find Dr. Flagg's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Elena F. Flagg is a rheumatologist in Williamsburg, Virginia
Dr. Flagg practices at Sentara Williamsburg Regional - Unit in Williamsburg, Virginia.
Dr. Flagg's NPI, 1174580310, was assigned on May 1, 2006. Dr. Flagg graduated from Texas Tech University Health Sciences Center School of Medicine in 1997. Dr. Flagg holds Virginia license 0101058959.
- NPI
- 1174580310NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3072651066
- NPI enumeration date
- May 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (757) 984-7409
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Elena F. Flagg practices at Sentara Williamsburg Regional - Unit in Williamsburg, Virginia
Dr. Flagg's primary practice is Sentara Williamsburg Regional - Unit, at 100 Sentara Circle, Williamsburg, VA 23188 in James City. The practice phone is (757) 984-7409.
- Sentara Williamsburg Regional - Unit100 Sentara Circle, Williamsburg, VA 23188 · James CityPhone(757) 984-7409
Source: Dmand AI Affiliation Data
Dr. Elena F. Flagg is affiliated with 7 sites of care and 1 medical group
Dr. Flagg's primary practice is Sentara Williamsburg Regional - Unit in Williamsburg, Virginia. Dr. Flagg is also affiliated with Sentara Williamsburg Regional Medical Center. The medical group on file is Arthritis & Rheumatic Diseases, P.C. Dmand AI also links Dr. Flagg to 4 more hospitals and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Elena F. Flagg's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flagg practices, 7 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sentara Williamsburg Regional - Unit | Available with a free account |
| +6 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Elena F. Flagg is one of 160 rheumatologists in Virginia
Rheumatology is Dr. Flagg's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Dr. Flagg is board certified in rheumatology by the American Board of Internal Medicine. Dr. Flagg is licensed in Virginia.
Specialties and state licenses
- Rheumatology, VirginiaPrimary
Clinical focus
Dmand AI lists arteritis, arthritis, fibromyalgia and chronic pain, gout, joint arthropathy, joint pain, lupus and muscle disease among the conditions Dr. Flagg treats.
Rheumatologists near Dr. Flagg
Counts of rheumatologists 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. Elena F. Flagg billed Medicare for 307,741 services in 2024
CMS data shows 307,741 Medicare services from Dr. Flagg across 32 procedure codes in 2024, for 679 Medicare patients. Medicare paid $3,759,153 for them. Every service was in an office.
Dr. Flagg's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Drugs given in the office
- 2023: 269,5442024: 300,49311%
- Tests and treatments
- 2023: 3,0762024: 3,2235%
- Lab and pathology
- 2023: 2,0762024: 1,9237%
- Office and hospital visits
- 2023: 1,0562024: 1,1287%
- Other services
- 2023: 732024: 720886%
- Imaging
- 2023: 1862024: 1784%
- Surgery
- 2023: 482024: 7658%
Dr. Flagg compared with the Virginia median for rheumatologists, 2024
- Dr. Flagg
- Virginia median
- Medicare services
- 307,741vs 999308.0 times
- Medicare patients
- 679vs 3042.2 times
- Part D claims
- 2,025vs 9702.1 times
Medians across 159 rheumatologists in Virginia with Dmand AI profiles that report each measure.
Dr. Flagg'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. Elena F. Flagg treated 679 Medicare patients in 2024, average age 75
CMS counts 679 Medicare patients who saw Dr. Flagg in 2024. The largest group is 65 to 74, with 298 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.32, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Flagg's median patient age at 67, with 78% women.
Dr. Flagg's Medicare patients by age, 2024
Dr. Flagg's Medicare patients by sex, 2024
- Women50374%
- Men17626%
Chronic conditions among Dr. Flagg's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure71%
- Osteoporosis49%
- Ischemic heart disease24%
- Mood disorders24%
- Anxiety22%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Flagg'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
- Women78%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Elena F. Flagg wrote 2,249 Medicare Part D claims in 2024
In 2024, Dr. Flagg wrote 2,249 Medicare Part D claims for 365 patients. 90% of them were for generic drugs. CMS names the drug for 2,025 of them, across 35 drugs with 11 or more claims each, at $958,664 in total drug cost. In 2023, CMS named 1,923 claims across 33 drugs.
Dr. Flagg's Part D claims by kind of drug, 2024
- Generic2,034 claims90%
- Brand-name and other215 claims10%
Dr. Flagg'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. Flagg's Part D claims, 2024
- Opioids2%43 of 2,249 claims
- Antibiotics2%43 of 2,249 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: 1,9232024: 2,0255%
Drugs named by CMS: 35 in 2024, 33 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. Elena F. Flagg scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Flagg for performance year 2024, reported as part of a group. Dr. Flagg accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Flagg as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Flagg's MIPS scores, performance year 2024
- 92of 100Final score
- 100of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 73of 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. Elena F. Flagg received $5,230 in industry payments from 2016 to 2025
CMS Open Payments shows 203 general payments to Dr. Flagg from 20 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 98% of the total. Amgen Inc. paid the most, $1,206.
General payments to Dr. Flagg by program year, 2016 to 2025
General payments to Dr. Flagg by kind, 2016 to 2025
- Food and beverage$5,13698%
- Education$952%
Companies that paid Dr. Flagg the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Elena F. Flagg has 2 awards and honors on record
Dmand AI lists 2 awards for Dr. Flagg, most recently CMS Stage 1 EHR in 2013.
Awards and honors for Dr. Flagg
- 2013
- CMS Stage 1 EHR
- 2011
- ACR Fellow
Source: Dmand AI Professional Profile Data
Dr. Elena F. Flagg graduated from Texas Tech University Health Sciences Center School of Medicine
Dr. Flagg graduated from Texas Tech University Health Sciences Center School of Medicine in 1997. Dr. Flagg is a member of ACR.
- Medical school
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Dr. Elena F. Flagg accepts plans from 7 insurance carriers
Dr. Flagg is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Flagg accepts, by number of carriers
- Medicare7
- PPO6
- HMO3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Elena F. Flagg'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Elena F. Flagg
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. Elena F. Flagg's NPI number?
Dr. Elena F. Flagg's NPI number is 1174580310. It was assigned on May 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Elena F. Flagg?
Dr. Elena F. Flagg is a rheumatologist in Williamsburg, Virginia. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Dr. Elena F. Flagg practice?
Dr. Flagg practices at 100 Sentara Circle, Williamsburg, VA 23188. Dr. Flagg's primary practice is Sentara Williamsburg Regional - Unit in Williamsburg, Virginia. Dmand AI also links Dr. Flagg to 4 hospitals and 1 group practice or clinic.
What is Dr. Elena F. Flagg's office phone number?
The practice phone on file for Dr. Flagg is (757) 984-7409.
What is Dr. Elena F. Flagg's medical license number?
Dr. Flagg holds Virginia license 0101058959.
Which hospitals is Dr. Elena F. Flagg affiliated with?
Dr. Flagg is affiliated with Sentara Williamsburg Regional Medical Center. Dmand AI links Dr. Flagg to 5 more hospitals.
What medical group is Dr. Elena F. Flagg part of?
Dr. Flagg is linked to Arthritis & Rheumatic Diseases, P.C.
Does Dr. Elena F. Flagg accept Medicare?
Yes. CMS data shows Dr. Flagg billed Medicare for 307,741 services in 2024, and Dr. Flagg accepts Medicare assignment.
Does Dr. Elena F. Flagg offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Flagg as offering telehealth services.
What is Dr. Elena F. Flagg's MIPS score?
Dr. Flagg's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Elena F. Flagg see?
CMS counts 679 Medicare patients who saw Dr. Flagg in 2024, with an average age of 75.
Is Dr. Elena F. Flagg board certified?
Yes. Dr. Flagg is board certified in rheumatology by the American Board of Internal Medicine.
What services does Dr. Elena F. Flagg bill to Medicare?
In 2024, Dr. Flagg's most billed Medicare services were injected or infused drug (J0717), injected or infused drug (J3262) and injected or infused drug (J0129).
Where did Dr. Elena F. Flagg go to medical school?
Dr. Flagg graduated from Texas Tech University Health Sciences Center School of Medicine in 1997.
What drugs does Dr. Elena F. Flagg prescribe most?
In 2024 Medicare Part D data, Dr. Flagg's most prescribed drugs by claims were Methotrexate, Prednisone and Hydroxychloroquine Sulfate.
Has Dr. Elena F. Flagg received payments from drug or device companies?
CMS Open Payments shows $5,230 in general payments to Dr. Flagg from 20 companies from 2016 to 2025. The largest total came from Amgen Inc.
How long has Dr. Elena F. Flagg been practicing?
Dr. Flagg graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Elena F. Flagg accept?
Dr. Flagg is in network with 7 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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