DR. SEPEHR MESDAGHINIA M.D.
NPI 1699069898
Internal Medicine - Rheumatology in Leesburg, VA

Q: What is Sepehr Mesdaghinia's NPI number?

The NPI number for Sepehr Mesdaghinia is 1699069898. It was assigned to this individual provider in the NPPES registry on June 6, 2011.

Q: What is Sepehr Mesdaghinia's specialty?

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

Active since June 06, 2011PECOS EnrolledAccepts Medicare Assignment

5.82/100

CMS Quality Rating

821 S KING ST STE L, LEESBURG, VA 20175(703) 988-4142(703) 988-4147 Get Directions Write a Review

NPPES record last updated: March 10, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Mar 10, 2022, Jan 15, 2020, Nov 5, 2019 and 2 more (5 updates tracked since 2017).

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About Dr. Sepehr Mesdaghinia M.d. NPPES

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

DR. SEPEHR MESDAGHINIA M.D. (NPI 1699069898) is an individual rheumatology provider in Leesburg, Virginia, licensed in Virginia (0101263148) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with Winchester Medical Center, and maintains a secondary practice location in Vienna.

NPPES Registry Identity

NPI1699069898

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. SEPEHR MESDAGHINIACredential: M.D.

Location Address821 S KING ST STE LLeesburg, VA 20175-3922

Mailing Address821 S King St Ste LLeesburg, VA 20175-3922 · (703) 988-4142 · Fax (703) 988-4147

Phone(703) 988-4142

Fax(703) 988-4147

Sole ProprietorYes

Medical School CMSOtherGraduated 2007

Enumeration DateJune 6, 2011

Last NPPES UpdateMarch 10, 20225 updates tracked since enumeration

NPPES CertifiedMarch 10, 2022

✔ NPI 1699069898 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in VA · 0101263148

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License MT199570 (PA)

Also ListedHospitalistTaxonomy 208M00000X · License MD043208 (DC)

821 S KING ST STE L, Leesburg, VA 20175

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Secondary Practice Location 1

Location 18100 Boone Blvd Ste 300Vienna, VA 22182-2642 · Phone (703) 988-4142 · Fax (703) 988-4147

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. Sepehr Mesdaghinia 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 ID9335368208

PECOS Enrollment IDI20180221003124

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 12

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.

54,000 services21 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.

20,850 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.

5,625 services12 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.

5,340 services51 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.

481 services220 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.

308 services65 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.

213 services40 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.

82 services29 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.

59 services12 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.

42 services42 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.

40 services33 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.

16 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Winchester Medical Center

Acute Care Hospitals · Winchester, VA

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number490005

Location1840 Amherst StWinchester, VA 22601 · Winchester City County

Emergency services Birthing friendly

Fauquier Hospital

Acute Care Hospitals · Warrenton, VA

3/5 CMS rating

OwnershipProprietary

CMS Certification Number490023

Location500 Hospital DriveWarrenton, VA 20186 · Fauquier 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20175 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.

5.82/100

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

Individually scored

Quality

Improvement Activities

Cost

19.41

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Other Providers at the Same Location NPPES

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

ANNA MARIE JOHNSON IBCLC

Lactation Consultant, Non-RN

821 S KING ST STE L
LEESBURG, VA 20175

Loudoun County (240) 285-9932

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 Sepehr Mesdaghinia's NPI number?

The NPI number for Sepehr Mesdaghinia is 1699069898. It was assigned to this individual provider in the NPPES registry on June 6, 2011.

Where is Sepehr Mesdaghinia located?

Sepehr Mesdaghinia practices at 821 S King St Ste L, Leesburg, VA 20175. The listed phone number is (703) 988-4142.

What is Sepehr Mesdaghinia's specialty?

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

Is Sepehr Mesdaghinia enrolled in Medicare?

Yes. Sepehr Mesdaghinia 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 Sepehr Mesdaghinia affiliated with any hospitals?

According to CMS data, Sepehr Mesdaghinia is affiliated with Winchester Medical Center, Fauquier Hospital and Inova Fair Oaks Hospital.

When was this NPI record last updated?

The NPPES record for Sepehr Mesdaghinia was last updated on March 10, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.