DR. ELENA F FLAGG M.D.
Prescription History 1174580310
Internal Medicine - Rheumatology in Williamsburg, VA
What does Dr. Flagg prescribe?
In 2024, Dr. Flagg wrote 2,025 Medicare prescriptions for 35 medications. The most prescribed was Methotrexate (methotrexate sodium), with 354 prescriptions for 89 patients.
Medicare Part D only. These are prescriptions filled by people with Medicare drug coverage in 2024, from the CMS data released in 2026, the most recent year available. CMS does not publish medications with fewer than 11 prescriptions, so this is not a full list of what Dr. Flagg prescribes.
Medications 35 medications
Prescriptions filled under Medicare Part D in 2024. Select a medication to see what it is used for and how it compares with other Virginia prescribers.
What it is used for
Methotrexate is used to treat certain types of cancer (such as acute lymphoblastic leukemia, non-Hodgkin's lymphoma), severe psoriasis that has not responded to other treatments, or rheumatoid arthritis.
Compared with Virginia prescribers
Dr. Flagg wrote 354 prescriptions for Methotrexate, about 4.1 times as often as the typical Virginia prescriber of it (86). Medicare paid $30.01 per fill, versus $24.39 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Prednisone is used to treat conditions such as arthritis, blood disorders, breathing problems, severe allergies, skin diseases, cancer, eye problems, and immune system disorders.
Compared with Virginia prescribers
Dr. Flagg wrote 306 prescriptions for Prednisone, about 6.3 times as often as the typical Virginia prescriber of it (49). Medicare paid $7.88 per fill, versus $4.45 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Hydroxychloroquine is used to prevent or treat malaria caused by mosquito bites.
Compared with Virginia prescribers
Dr. Flagg wrote 221 prescriptions for Hydroxychloroquine Sulfate, about 2.8 times as often as the typical Virginia prescriber of it (79). Medicare paid $39.54 per fill, versus $33.80 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat rheumatoid arthritis, a condition in which the body's defense system (immune system) fails to recognize the body as itself and attacks the healthy tissues around the joints.
Compared with Virginia prescribers
Dr. Flagg wrote 115 prescriptions for Leflunomide, about 2 times as often as the typical Virginia prescriber of it (56). Medicare paid $60.50 per fill, versus $68.14 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Virginia prescribers
Dr. Flagg wrote 111 prescriptions for Duloxetine Hcl, about 2.2 times as often as the typical Virginia prescriber of it (51). Medicare paid $31.85 per fill, versus $23.61 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Gabapentin is used with other medications to prevent and control seizures.
Compared with Virginia prescribers
Dr. Flagg wrote 92 prescriptions for Gabapentin, about as often as the typical Virginia prescriber of it (89). Medicare paid $4.59 per fill, versus $13.47 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat or prevent serious blood cell disorders (such as thrombocytopenia, neutropenia, anemia) caused by certain drugs (folic acid antagonists such as methotrexate, trimethoprim, pyrimethamine).
Compared with Virginia prescribers
Dr. Flagg wrote 83 prescriptions for Leucovorin Calcium, about 2.2 times as often as the typical Virginia prescriber of it (37). Medicare paid $23.64 per fill, versus $33.35 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Allopurinol is used to treat gout and certain types of kidney stones.
Compared with Virginia prescribers
Dr. Flagg wrote 77 prescriptions for Allopurinol, about 1.6 times as often as the typical Virginia prescriber of it (49). Medicare paid $11.84 per fill, versus $8.76 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Meloxicam is used to treat arthritis.
Compared with Virginia prescribers
Dr. Flagg wrote 69 prescriptions for Meloxicam, about 1.3 times as often as the typical Virginia prescriber of it (53). Medicare paid $4.63 per fill, versus $3.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Folic acid is the man-made form of folate.
Compared with Virginia prescribers
Dr. Flagg wrote 66 prescriptions for Folic Acid, about 2.9 times as often as the typical Virginia prescriber of it (23). Medicare paid $10.39 per fill, versus $8.35 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is a nonsteroidal anti-inflammatory drug (NSAID), specifically a COX-2 inhibitor, which relieves pain and swelling (inflammation).
Compared with Virginia prescribers
Dr. Flagg wrote 45 prescriptions for Celecoxib, about 1.2 times as often as the typical Virginia prescriber of it (37). Medicare paid $40.57 per fill, versus $31.32 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Mycophenolate is used in combination with other medications to keep your body from attacking and rejecting your transplanted organ (such as kidney, liver, heart).
Compared with Virginia prescribers
Dr. Flagg wrote 45 prescriptions for Mycophenolate Mofetil, about 1.6 times as often as the typical Virginia prescriber of it (27). Medicare paid $127.10 per fill, versus $138.30 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Sulfasalazine is used to treat a certain type of bowel disease called ulcerative colitis.
Compared with Virginia prescribers
Dr. Flagg wrote 42 prescriptions for Sulfasalazine Dr, about 1.6 times as often as the typical Virginia prescriber of it (27). Medicare paid $32.99 per fill, versus $43.06 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Adalimumab is used to reduce pain and swelling due to certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, ankylosing spondylitis).
Compared with Virginia prescribers
Dr. Flagg wrote 34 prescriptions for Humira(Cf) Pen, about as often as the typical Virginia prescriber of it (32). Medicare paid $12,574.17 per fill, versus $9,076.12 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to prevent or treat gout attacks (flares).
Compared with Virginia prescribers
Dr. Flagg wrote 31 prescriptions for Colchicine, about 1.4 times as often as the typical Virginia prescriber of it (22). Medicare paid $57.94 per fill, versus $60.63 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with Virginia prescribers
Dr. Flagg wrote 23 prescriptions for Diclofenac Sodium, about half as often as the typical Virginia prescriber of it (43). Medicare paid $24.76 per fill, versus $28.31 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Methylprednisolone is used to treat conditions such as arthritis, blood disorders, severe allergic reactions, certain cancers, eye conditions, skin/kidney/intestinal/lung diseases, and immune system disorders.
Compared with Virginia prescribers
Dr. Flagg wrote 22 prescriptions for Methylprednisolone, about 61% as often as the typical Virginia prescriber of it (36). Medicare paid $4.45 per fill, versus $6.84 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This combination medication is used to relieve moderate to severe pain.
Compared with Virginia prescribers
Dr. Flagg wrote 21 prescriptions for Hydrocodone-Acetaminophen, about 32% as often as the typical Virginia prescriber of it (66). Medicare paid $9.18 per fill, versus $18.38 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat pain caused by nerve damage due to diabetes, shingles (herpes zoster) infection, or spinal cord injury.
Compared with Virginia prescribers
Dr. Flagg wrote 21 prescriptions for Pregabalin, about half as often as the typical Virginia prescriber of it (45). Medicare paid $8.18 per fill, versus $29.72 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
See also Warning section.
Compared with Virginia prescribers
Dr. Flagg wrote 20 prescriptions for Tramadol Hcl, about 40% as often as the typical Virginia prescriber of it (50). Medicare paid $5.70 per fill, versus $7.14 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Azathioprine is used to prevent organ rejection in people who have received a kidney transplant.
Compared with Virginia prescribers
Dr. Flagg wrote 19 prescriptions for Azathioprine, about 82% as often as the typical Virginia prescriber of it (23). Medicare paid $28.10 per fill, versus $49.94 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Omeprazole is used to treat certain stomach and esophagus problems (such as acid reflux, ulcers).
Compared with Virginia prescribers
Dr. Flagg wrote 19 prescriptions for Omeprazole, about 21% as often as the typical Virginia prescriber of it (91). Medicare paid $19.05 per fill, versus $11.75 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat symptoms of dry mouth due to a certain immune disease (Sjogren's syndrome).
Compared with Virginia prescribers
Dr. Flagg wrote 18 prescriptions for Cevimeline Hcl, about as often as the typical Virginia prescriber of it (18). Medicare paid $309.05 per fill, versus $157.26 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used alone or in combination with an immunosuppressant (such as methotrexate) to treat certain types of arthritis (such as rheumatoid, psoriatic, juvenile idiopathic, and ankylosing spondylitis).
Compared with Virginia prescribers
Dr. Flagg wrote 18 prescriptions for Enbrel Sureclick, about half as often as the typical Virginia prescriber of it (36). Medicare paid $10,454.67 per fill, versus $8,069.07 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Alendronate is used to prevent and treat certain types of bone loss (osteoporosis) in adults.
Compared with Virginia prescribers
Dr. Flagg wrote 17 prescriptions for Alendronate Sodium, about 41% as often as the typical Virginia prescriber of it (41). Medicare paid $9.60 per fill, versus $7.88 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to reduce pain and swelling due to certain inflammatory conditions (such as rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, plaque psoriasis, polyarticular juvenile idiopathic arthritis).
Compared with Virginia prescribers
Dr. Flagg wrote 17 prescriptions for Cimzia (2 Pack), about as often as the typical Virginia prescriber of it (16). Medicare paid $6,342.78 per fill, versus $6,489.51 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Famotidine is used to treat ulcers of the stomach and intestines and to prevent intestinal ulcers from coming back after they have healed.
Compared with Virginia prescribers
Dr. Flagg wrote 17 prescriptions for Famotidine, about 33% as often as the typical Virginia prescriber of it (51). Medicare paid $6.83 per fill, versus $12.51 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Cyclobenzaprine is used short-term to treat muscle spasms.
Compared with Virginia prescribers
Dr. Flagg wrote 15 prescriptions for Cyclobenzaprine Hcl, about 40% as often as the typical Virginia prescriber of it (37). Medicare paid $6.28 per fill, versus $8.00 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Virginia prescribers
Dr. Flagg wrote 15 prescriptions for Doxepin Hcl, about 70% as often as the typical Virginia prescriber of it (22). Medicare paid $0.81 per fill, versus $38.86 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat plaque psoriasis and certain types of arthritis (psoriatic arthritis, ankylosing spondylitis, axial spondyloarthritis).
Compared with Virginia prescribers
Dr. Flagg wrote 14 prescriptions for Taltz Autoinjector, about 89% as often as the typical Virginia prescriber of it (16). Medicare paid $7,093.55 per fill, versus $7,299.77 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Amlodipine is used with or without other medications to treat high blood pressure.
Compared with Virginia prescribers
Dr. Flagg wrote 12 prescriptions for Amlodipine Besylate, about 9% as often as the typical Virginia prescriber of it (141). Medicare paid $0.42 per fill, versus $5.81 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Methotrexate is used to treat certain types of cancer, severe psoriasis, or rheumatoid arthritis.
Compared with Virginia prescribers
Dr. Flagg wrote 12 prescriptions for Methotrexate Sodium, about half as often as the typical Virginia prescriber of it (22). Medicare paid $11.35 per fill, versus $15.11 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat rheumatoid arthritis, a condition in which the body's own defense system (immune system) attacks healthy tissue.
Compared with Virginia prescribers
Dr. Flagg wrote 12 prescriptions for Orencia Clickject, about half as often as the typical Virginia prescriber of it (26). Medicare paid $6,549.56 per fill, versus $6,045.47 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
Dexlansoprazole is used to treat certain stomach and esophagus problems (such as acid reflux).
Compared with Virginia prescribers
Dr. Flagg wrote 11 prescriptions for Dexlansoprazole Dr, about half as often as the typical Virginia prescriber of it (21). Medicare paid $153.68 per fill, versus $255.69 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
What it is used for
This medication is used to treat certain mental/mood disorders (such as depression, anxiety).
Compared with Virginia prescribers
Dr. Flagg wrote 11 prescriptions for Escitalopram Oxalate, about 21% as often as the typical Virginia prescriber of it (52). Medicare paid $10.01 per fill, versus $11.61 statewide.
Volume reflects how many Medicare patients a practice sees as well as prescribing habits. It is not a measure of quality.
Questions about Dr. Flagg’s prescriptions
What does Dr. Flagg prescribe most?
In 2024 Medicare Part D data, Dr. Flagg's most prescribed medications were Methotrexate (354), Prednisone (306) and Hydroxychloroquine Sulfate (221).
How does Dr. Flagg's prescribing compare with other Virginia prescribers?
Of the 35 medications with a state comparison, Dr. Flagg prescribes 12 more often than the typical Virginia prescriber, 7 about as often and 16 less often. Volume reflects practice size as well as prescribing habits.
Does this list show every medication Dr. Flagg prescribes?
No. It covers prescriptions filled by people with Medicare Part D drug coverage in 2024, and CMS leaves out any medication with fewer than 11 prescriptions.
About this data
This page shows one provider’s slice of public Medicare files. NPI Profile does not receive prescriptions or patient records.
| Source | What it provides here | Data year |
|---|---|---|
| CMS Medicare Part D Prescribers by Provider and Drug | Each medication, prescriptions, patients, 30-day fills, days of medication and cost. State comparisons average the Virginia prescribers of the same medication and form, where at least five wrote it. | 2024 (released 2026, the most recent available) |
| CMS Medicare Part D Drug Spending Dashboard | What each medication is used for. | 2024 |
- Only prescriptions filled by people with Medicare Part D drug coverage are counted. Private insurance, Medicaid and cash purchases are not.
- CMS leaves out medications with fewer than 11 prescriptions and hides patient counts under 11.
- Cost per fill is what the plan and the patient paid the pharmacy together, not what you pay at the counter.
- Medication descriptions are summaries from CMS. They are not medical advice; ask a health care professional about any medication.
