DR. JAMES P SIMSARIAN M.D.
NPI 1235108986
Psychiatry & Neurology - Neurology in Fairfax, VA

Q: What is James Simsarian's NPI number?

The NPI number for James Simsarian is 1235108986. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Q: What is James Simsarian's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Q: When was this NPI record last updated?

The NPPES record for James Simsarian was last updated on June 8, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 15, 2006PECOS EnrolledAccepts Medicare Assignment

97.24/100

CMS Quality Rating

3020 HAMAKER CT, SUITE 400, FAIRFAX, VA 22031(703) 876-0800(703) 876-0866 Get Directions Write a Review

NPPES record last updated: June 8, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 8, 2022, Mar 3, 2022, Dec 24, 2020 (3 updates tracked since 2020).

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About Dr. James P Simsarian M.d. NPPES

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

DR. JAMES P SIMSARIAN M.D. (NPI 1235108986) is an individual neurology provider in Fairfax, Virginia, licensed in Virginia (0101023418) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Virginia Hospital Center, and is a graduate of Other (1966).

NPPES Registry Identity

NPI1235108986

Entity TypeIndividualMale

Primary Taxonomy2084N0400X

Provider Legal NameDR. JAMES P SIMSARIANCredential: M.D.

Location Address3020 HAMAKER CT, SUITE 400Fairfax, VA 22031-2238

Mailing Address3020 Hamaker Ct, Suite 400Fairfax, VA 22031-2238 · (703) 876-0800 · Fax (703) 876-0866

Phone(703) 876-0800

Fax(703) 876-0866

Sole ProprietorNo

Medical School CMSOtherGraduated 1966

Enumeration DateMarch 15, 2006

Last NPPES UpdateJune 8, 20223 updates tracked since enumeration

NPPES CertifiedJune 8, 2022

✔ NPI 1235108986 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychiatry & Neurology · NeurologyAllopathic & Osteopathic Physicians

Taxonomy Code2084N0400X

License✔ Licensed in VA · 0101023418

Definition

A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

Also ListedPsychiatry & Neurology · Clinical NeurophysiologyTaxonomy 2084N0600X · License 0101023418 (VA)

Also ListedPsychiatry & Neurology · Brain Injury MedicineTaxonomy 2084P0301X · License 0101023418 (VA)

3020 HAMAKER CT, Fairfax, VA 22031

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Other Identifiers 2

Medicaid6144969VA

Medicaid6060153VA

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. James P Simsarian 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 ID8527079235

PECOS Enrollment IDI20080409000673

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 20

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, ocrelizumab, 1 mg J2350

Ocrelizumab is a medication given via injection to manage conditions like Multiple Sclerosis. It helps control symptoms by targeting specific proteins in the immune system. This service involves injecting 1 mg of Ocrelizumab.

84,000 services81 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.

539 services315 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

246 services234 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.

205 services94 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.

205 services140 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.

194 services88 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.

171 services89 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.

158 services91 patients

Injection of drug or substance into vein 96374

This procedure involves introducing a medication or substance directly into your vein using a syringe. It's a quick and efficient way to deliver treatment throughout your body. You might feel a small prick when the needle enters. It's generally safe and effective.

146 services81 patients

Injection, diphenhydramine hcl, up to 50 mg J1200

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

120 services68 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.

110 services62 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

102 services67 patients

Electrocardiogram (ecg) 1 to 3 leads with review by physician 93040

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. It uses 1 to 3 leads (sensors) placed on your skin. A physician reviews the results to assess heart rate, rhythm, and detect any abnormalities.

89 services84 patients

Injection, methylprednisolone sodium succinate, up to 125 mg J2930

Methylprednisolone sodium succinate is a steroid medication injected into a muscle or vein. It helps reduce inflammation and immune response. It's used for various conditions like allergies, arthritis, breathing problems, or skin diseases. It's important to follow your doctor's instructions.

87 services33 patients

Measurement of brain wave activity (eeg), awake and asleep 95819

The measurement of brain wave activity, known as an EEG, records the brain's electrical signals. It's performed when you're awake and asleep to monitor your brain's functioning. It helps in diagnosing conditions like epilepsy, sleep disorders, and other neurological issues.

59 services59 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

25 services25 patients

Ultrasound of leg arteries at rest and after exercise 93924

An ultrasound of leg arteries at rest and after exercise involves using sound waves to create images of the blood vessels in your legs. This helps to detect blockages or narrowing. You'll rest, then perform light exercise, and images are taken before and after to compare blood flow.

20 services20 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

20 services14 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

15 services13 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.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Virginia Hospital Center

Acute Care Hospitals · Arlington, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490050

Location1701 North George Mason DriveArlington, VA 22205 · Arlington County

Emergency services Birthing friendly

Inova Fairfax Hospital

Acute Care Hospitals · Falls Church, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490063

Location3300 Gallows RoadFalls Church, VA 22042 · Fairfax County

Emergency services Birthing friendly

Inova Fair Oaks Hospital

Acute Care Hospitals · Fairfax, VA

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number490101

Location3600 Joseph Siewick DriveFairfax, VA 22033 · Fairfax County

Birthing friendly

Inova Mount Vernon Hospital

Acute Care Hospitals · Alexandria, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490122

Location2501 Parkers LaneAlexandria, VA 22306 · Fairfax County

Emergency services

Uva Health Haymarket Medical Center

Acute Care Hospitals · Haymarket, VA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490144

Location15225 Healthcote BoulevardHaymarket, VA 20169 · Prince William County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22031 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

$147.85 typical visit price

range $65.18 – $194.86

Typical copayment $36.96 (range $16.29 – $48.71)

Most-billed visit code 99204

Established Patient

$113.72 typical visit price

range $21.40 – $158.88

Typical copayment $28.43 (range $5.35 – $39.72)

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.

97.24/100

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

Scored as part of a group practice

Quality

94.49

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Patient lift, hydraulic or mechanical, includes any seat, sling, strap(s) or pad(s) E0630

DME-Other DME · category DE000N

1 supplier11 claims11 services$37.80 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 20

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

LISSETH CARMEN THOMAS PHD

Psychologist (Clinical)

3020 HAMAKER CT
FAIRFAX, VA 22031

Fairfax County (703) 204-0085

KATHLEEN BRELSFORD FRENCH, M.D., P.C.

Neurological Surgery

3020 HAMAKER CT, SUITE B104
FAIRFAX, VA 22031

Fairfax County (703) 641-4877

JULIANA Y. PARK MD PC

Ophthalmology

3020 HAMAKER CT, SUITE B-103
FAIRFAX, VA 22031

Fairfax County (703) 573-9688

KRISTEN ANN MANCUSO RN

Registered Nurse (Neonatal Intensive Care)

3020 HAMAKER CT, SUITE 400
FAIRFAX, VA 22031

Fairfax County (703) 876-0080

JOHN J BASILE MD PC

Urology

3020 HAMAKER CT, SUITE B 111
FAIRFAX, VA 22031

Fairfax County (703) 876-0288

JANET ELIZABETH BLACK M.ED., BCBA

Behavior Analyst

3020 HAMAKER CT, SUITE 200
FAIRFAX, VA 22031

Fairfax County (703) 573-2432

SUZANNE ROGACZ MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

3020 HAMAKER CT, SUITE 502
FAIRFAX, VA 22031

Fairfax County (703) 849-8440

DR. JAMES R BAUGH M.D.

Pediatrics

3020 HAMAKER CT, SUITE 200
FAIRFAX, VA 22031

Fairfax County (703) 573-2432

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 James Simsarian's NPI number?

The NPI number for James Simsarian is 1235108986. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Where is James Simsarian located?

James Simsarian practices at 3020 Hamaker Ct Suite 400, Fairfax, VA 22031. The listed phone number is (703) 876-0800.

What is James Simsarian's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.

Is James Simsarian enrolled in Medicare?

Yes. James Simsarian 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 James Simsarian affiliated with any hospitals?

According to CMS data, James Simsarian is affiliated with Virginia Hospital Center, Inova Fairfax Hospital, Inova Fair Oaks Hospital, Inova Mount Vernon Hospital and Uva Health Haymarket Medical Center.

When was this NPI record last updated?

The NPPES record for James Simsarian was last updated on June 8, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.