DR. ELENA F FLAGG M.D.
NPI 1174580310
Internal Medicine - Rheumatology in Williamsburg, VA

Q: What is Elena Flagg's NPI number?

The NPI number for Elena Flagg is 1174580310. It was assigned to this individual provider in the NPPES registry on May 1, 2006.

Q: What is Elena Flagg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Elena Flagg was last updated on November 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 01, 2006PECOS EnrolledAccepts Medicare Assignment

77.93/100

CMS Quality Rating

329 MCLAWS CIR, WILLIAMSBURG, VA 23185(757) 220-8579(757) 345-0936 Get Directions Write a Review

NPPES record last updated: November 19, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Elena F Flagg M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELENA F FLAGG M.D. (NPI 1174580310) is an individual rheumatology provider in Williamsburg, Virginia, licensed in Virginia (0101058959) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Riverside Regional Medical Center, and is a graduate of Virginia Commonwealth University, School Of Medicine (2002).

NPPES Registry Identity

NPI1174580310

Entity TypeIndividualFemale

Primary Taxonomy207RR0500X

Provider Legal NameDR. ELENA F FLAGGCredential: M.D.

Location Address329 MCLAWS CIRWilliamsburg, VA 23185-6337

Mailing Address329 Mclaws CirWilliamsburg, VA 23185-6337 · (757) 220-8579 · Fax (757) 345-0936

Phone(757) 220-8579

Fax(757) 345-0936

Sole ProprietorNo

Medical School CMSVirginia Commonwealth University, School Of MedicineGraduated 2002

Enumeration DateMay 1, 2006

Last NPPES UpdateNovember 19, 2020

NPPES CertifiedNovember 19, 2020

✔ NPI 1174580310 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in VA · 0101058959

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

329 MCLAWS CIR, Williamsburg, VA 23185

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Other Identifiers 7

Other142096VA · Blue Cross

Medicaid5877741VA

Other3200218VA · United Health Care

Other58854VA · Sentara

Other2815503001VA · Cigna

Other541374556VA · Tricare For Life

Other541374556VA · Champus

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Elena F Flagg M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3072651066

PECOS Enrollment IDI20091111000742

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 28

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717

Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.

121,000 services37 patients

Injection, tocilizumab, 1 mg J3262

Tocilizumab is a medication administered via injection. It's used to treat certain conditions like rheumatoid arthritis by reducing inflammation in the body. It works by blocking a substance in the body that leads to inflammation.

87,500 services22 patients

Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0129

Abatacept is a medication administered via injection under a doctor's supervision. It's used to treat conditions like rheumatoid arthritis by moderating the immune system. This code applies when the doctor administers the drug, not for self-administration.

33,450 services49 patients

Injection, infliximab, excludes biosimilar, 10 mg J1745

Infliximab is a medication given via injection to treat certain autoimmune conditions. It works by blocking the action of a substance in your body that causes inflammation. Each dose is based on your medical condition and response to treatment.

23,033 services56 patients

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

15,480 services149 patients

Injection, golimumab, 1 mg, for intravenous use J1602

Golimumab is a medication given through an IV (a small tube in your vein). It helps to reduce inflammation and pain by blocking a protein in your body that causes inflammation. It's often used to treat conditions like rheumatoid arthritis, psoriatic arthritis, and ankylosing spondylitis.

10,850 services13 patients

Injection, tildrakizumab, 1 mg J3245

Tildrakizumab is a medication injected under the skin to treat moderate to severe plaque psoriasis, a skin condition. It works by reducing the effects of a substance in the body that can cause inflammation.

4,300 services13 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

1,114 services155 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

1,110 services420 patients

Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle 96401

This procedure involves giving anti-cancer drugs, which don't contain hormones, into the muscle or under the skin. These drugs help to stop the growth of cancer cells. The process is usually quick and done by a healthcare professional.

863 services176 patients

Red blood cell sedimentation rate, to detect inflammation, non-automated 85651

The Red Blood Cell Sedimentation Rate test measures how quickly red blood cells settle at the bottom of a test tube. If they settle faster than normal, it may indicate inflammation in the body. This test is non-automated, meaning it's manually performed by a lab technician.

813 services406 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

783 services451 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

585 services69 patients

Injection, methotrexate sodium, 50 mg J9260

Methotrexate sodium, 50 mg, is a medication often used to treat certain types of cancer or to control severe psoriasis or rheumatoid arthritis. It works by slowing the growth of cancer cells and suppressing the immune system.

498 services25 patients

Administration of chemotherapy into vein, each additional hour 96415

Chemotherapy is a treatment method that uses drugs to destroy cancer cells. The drugs are administered into a vein, usually in the arm. Each additional hour of chemotherapy allows for more of the medication to enter your bloodstream to fight against the cancer cells.

443 services69 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

253 services140 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

178 services177 patients

Injection, zoledronic acid, 1 mg J3489

Zoledronic acid is a medication given via injection to strengthen bones. It's often used in patients with osteoporosis or certain types of cancer. The injection helps reduce the risk of fractures and other bone complications.

95 services19 patients

Injection of additional new drug or substance into vein 96375

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

92 services17 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

90 services89 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

76 services54 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

42 services42 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

34 services26 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

29 services28 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

21 services21 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 96365

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

19 services19 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

19 services19 patients

Pneumococcal vaccine, 23-valent 90732

The 23-valent pneumococcal vaccine is an injection that helps protect against serious infections caused by 23 types of pneumococcal bacteria. It's vital for those at risk, like older adults or people with certain health conditions, to prevent pneumonia, meningitis, and bloodstream infections.

16 services16 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Riverside Regional Medical Center

Acute Care Hospitals · Newport News, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490052

Location500 J Clyde Morris BlvdNewport News, VA 23601 · Newport News City County

Emergency services Birthing friendly

Sentara Williamsburg Regional Medical Center

Acute Care Hospitals · Williamsburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490066

Location100 Sentara CircleWilliamsburg, VA 23188 · James City County

Emergency services Birthing friendly

Sentara Careplex Hospital

Acute Care Hospitals · Hampton, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490093

Location3000 Coliseum DriveHampton, VA 23666 · Hampton City County

Emergency services Birthing friendly

Riverside Doctors' Hospital Of Williamsburg

Acute Care Hospitals · Williamsburg, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490143

Location1500 Commonwealth AvenueWilliamsburg, VA 23185 · James City County

Emergency services

Rappahannock General Hospital

Critical Access Hospitals · Kilmarnock, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number491308

Location101 Harris RoadKilmarnock, VA 22482 · Lancaster County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 23185 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$129.04 typical visit price

range $56.19 – $170.30

Typical copayment $32.26 (range $14.04 – $42.57)

Most-billed visit code 99204

Established Patient

$99.13 typical visit price

range $18.07 – $138.91

Typical copayment $24.78 (range $4.51 – $34.72)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.93/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

Cost

26.45

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

100%540 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.

100%2,455 patients5/55-star benchmark: 100%

e-Prescribing

At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.

88%1,062 patients4/55-star benchmark: 100%

Health Information Exchange

The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…

89%47 patients4/55-star benchmark: 98%

Medication Reconciliation

The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.

100%571 patients5/55-star benchmark: 100%

Patient-Specific Education

The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.

99%527 patients4/55-star benchmark: 100%

Pneumococcal Vaccination Status for Older Adults

Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine

89%540 patients4/55-star benchmark: 90%

Preventive Care and Screening: Influenza Immunization

Percentage of patients aged 6 months and older seen for a visit between October 1 and March 31 who received an influenza immunization OR who reported previous receipt of an influenza immunization

99%593 patients5/55-star benchmark: 88%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user

Patients screenedForUse: 100% · 810 patients

Patients tobacco: 97% · 67 patients

100%810 patients5/55-star benchmark: 98%

Provide Patient Access

At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…

93%527 patients4/55-star benchmark: 100%

Rheumatoid Arthritis (RA): Functional Status Assessment

Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) for whom a functional status assessment was performed at least once within 12 months

100%398 patients5/55-star benchmark: 100%

Screening for Osteoporosis for Women Aged 65-85 Years of Age

Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis

91%231 patients4/55-star benchmark: 97%

Secure Messaging

For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…

93%527 patients5/55-star benchmark: 79%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LAILA RAHBAR MD

Internal Medicine (Rheumatology)

329 MCLAWS CIR
WILLIAMSBURG, VA 23185

York County (757) 220-8579

ARTHRITIS AND RHEUMATIC DISEASES

Internal Medicine (Rheumatology)

329 MCLAWS CIR
WILLIAMSBURG, VA 23185

York County (757) 220-8579

DR. CHRISTOPHER ADNAN HAKIM MD

Internal Medicine (Rheumatology)

329 MCLAWS CIR
WILLIAMSBURG, VA 23185

York County (757) 220-8579

BARBARA GAIL ELLIS ACNPC-AG

Nurse Practitioner (Adult Health)

329 MCLAWS CIR
WILLIAMSBURG, VA 23185

York County (757) 220-8579

MRS. MISTY M WHITE FNP

Nurse Practitioner (Family)

329 MCLAWS CIR
WILLIAMSBURG, VA 23185

York County (757) 220-8579

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Elena Flagg's NPI number?

The NPI number for Elena Flagg is 1174580310. It was assigned to this individual provider in the NPPES registry on May 1, 2006.

Where is Elena Flagg located?

Elena Flagg practices at 329 Mclaws Cir, Williamsburg, VA 23185. The listed phone number is (757) 220-8579.

What is Elena Flagg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Elena Flagg enrolled in Medicare?

Yes. Elena Flagg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Elena Flagg affiliated with any hospitals?

According to CMS data, Elena Flagg is affiliated with Riverside Regional Medical Center, Sentara Williamsburg Regional Medical Center, Sentara Careplex Hospital, Riverside Doctors' Hospital Of Williamsburg and Rappahannock General Hospital.

When was this NPI record last updated?

The NPPES record for Elena Flagg was last updated on November 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.