Sepehr Mesdaghinia, M.D.
NPI 1699069898 · Rheumatology Physician · Leesburg, VA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sepehr Mesdaghinia, M.D. is a Rheumatology Physician provider in Leesburg, VA (NPI 1699069898).
Provider details
- NPI number
- 1699069898
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MT199570 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,241 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 481 | $128 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 308 | $71 |
| Infusion Into a Vein for Therapy, Prevention, Or Diagnosis, 1 Hour Or Less96365 | 213 | $63 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 82 | $14 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 59 | $113 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 42 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 335 | 109 |
| Prednisone | 328 | 119 |
| Hydroxychloroquine Sulfate | 275 | 85 |
| Methylprednisolone | 115 | 80 |
| Adalimumabbrand: Humira(cf) Pen | 98 | 13 |
| Alendronate Sodium | 76 | 23 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,773 across 62 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 8100 Boone Blvd Ste 300Vienna, VA 22182-2642Phone: (703) 988-4142Fax: (703) 988-4147
Registry dates
- Enumerated
- 2011-06-06
- Last updated
- 2022-03-10
- Certified
- 2022-03-10
Frequently asked questions
- What is Sepehr Mesdaghinia's NPI number?
- Sepehr Mesdaghinia's National Provider Identifier (NPI) is 1699069898, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sepehr Mesdaghinia's specialty?
- Sepehr Mesdaghinia is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Sepehr Mesdaghinia located?
- Sepehr Mesdaghinia's practice location on file with NPPES is 821 S King St Ste L, Leesburg, VA 20175-3922.
- What is Sepehr Mesdaghinia's phone number?
- The practice phone number listed in the NPPES registry for Sepehr Mesdaghinia is (703) 988-4142.
- Does Sepehr Mesdaghinia accept Medicare?
- Sepehr Mesdaghinia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sepehr Mesdaghinia's NPI active?
- Yes — Sepehr Mesdaghinia's NPI (1699069898) is active in the NPPES registry as of the last update on 2022-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.