Jeremias C Tan, M.D.
Gastroenterology Internal Medicine
Jeremias C Tan is a Gastroenterology Internal Medicine specialist based in Fairfax, VA with over 27 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.
Also practices: GASTROENTEROLOGY
With over 27 years in internal medicine, Jeremias C Tan, M.D. is a long-established gastroenterologist in Fairfax. A George Washington University School of Medicine graduate since 1999, he brings 27+ years of experience. He regularly sees Medicare patients with high cholesterol, hypertension, and arthritis (per CMS claims data). CMS MIPS quality score: 80.83/100 (2023).
At a glance
- Federal MIPS score higher than 40% of MIPS-scored doctors in Virginia
- Virtual visits available — no app or travel required
Older · 1174dNPPES updated 2023-03-07 · verify NPI on CMS · Verify license at Virginia Board of Medicine
Contact & Location
Practice Location
3700 Joseph Siewick Dr Ste 308, Fairfax, VA 22033
How Does This Doctor Compare?
Based on Medicare data, this doctor has an average quality score compared to other doctors in Virginia.
MIPS Score
202380.83/100
Virginia avg: 82.9 · US avg: 83.6
⚠ Lower than most doctors nationally(-2.8 pts)
Average range among MIPS-scored doctors in VirginiaHow the government rates this doctor's Medicare care quality. Scores above 75 are considered good.
Medicare Patients
445
Unique beneficiaries
Standard volumePrescription Recipients
178
Patients prescribed
Prescriptions Written
450
Total claims
Total Medicare drug cost: $626k
Percentile rankings compared against 2,357 reporting peers in Virginia.
Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.
What This Doctor Treats Most
Based on Medicare claims data — here's what patients commonly see this doctor for
Based on Medicare data, this doctor primarily manages High Cholesterol, Hypertension, and Arthritis.
Elevated cholesterol or triglycerides that increase heart disease risk
US avg: 70.4%↑ More patients than average (+5%) — a focus area for this doctor
High blood pressure — a leading risk factor for heart disease and stroke
US avg: 70.2%Joint inflammation causing pain, swelling, and stiffness
US avg: 49.3%↑ More patients than average (+1%) — a focus area for this doctor
Reduced blood flow to the heart muscle, commonly known as coronary artery disease
US avg: 31.7%↓ Fewer patients than average (-5%) — less common here
A condition where the body cannot properly regulate blood sugar levels
US avg: 34.5%↓ Fewer patients than average (-8%) — less common here
Excessive worry or fear that interferes with daily life
US avg: 34.1%↓ Fewer patients than average (-11%) — less common here
Gradual loss of kidney function over time, often linked to diabetes or hypertension
US avg: 29.6%↓ Fewer patients than average (-8%) — less common here
Diseases involving abnormal cell growth with potential to spread to other body parts
US avg: 20.8%Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.
$3.2k received from industry
131 transactions reported in 2024 ·Moderate tier
Payments include consulting fees, speaking honoraria, food & beverage, travel, research support, and ownership interests from drug and medical device manufacturers. Disclosure is required by the federal Physician Payments Sunshine Act. These payments do not necessarily indicate conflicts of interest. National median: $338 across 136 000 tracked providers.
Tiers — Low: under $500 · Moderate: $500-5 000 · High: $5 000-25 000 · Very High: $25 000+. Source: CMS Open Payments 2024, attributed to Jeremias C Tan's NPI.
Social Vulnerability Index: 0.55 / 1.00
Moderate vulnerabilityHe practices in a community where the CDC measures social vulnerability across socioeconomic status, household composition, racial/ethnic minority status, and housing/transportation factors. A higher index indicates more residents may face barriers accessing care.
Source: CDC/ATSDR Social Vulnerability Index.
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Graduated medical school · 1999
George Washington University School of Medicine and Health Sciences
27 years in practice
Experienced
Gastroenterologists diagnose and treat digestive system disorders including GERD, irritable bowel syndrome (IBS), inflammatory bowel disease (Crohn's, ulcerative colitis), liver disease, pancreatitis, and colon polyps. They perform endoscopies and colonoscopies.
Taxonomy: 207RG0100X
Education & Training
George Washington University School of Medicine (Class of 1999)
Mailing address
3700 Joseph Siewick Dr Ste 308, Fairfax, VA 22033-1739
Differs from practice location
Virtual Internal Medicine Care With Jeremias C Tan
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with Jeremias C Tan for cholesterol management, blood pressure monitoring, arthritis follow-ups — no travel to Fairfax required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.
Frequently Asked Questions
Common questions about Jeremias C Tan
Dr. Tan is listed as active in the NPI registry with telehealth listed in Fairfax, VA. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (703) 698-8960.
Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Open Payments 2024 · CMS Physician Comparator · HRSA HPSA · CDC SVI. See Data Methodology.
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Contact Jeremias C Tan
Practice Location
3700 Joseph Siewick Dr Ste 308, Fairfax, VA 22033
Mailing Address
3700 Joseph Siewick Dr Ste 308, Fairfax, VA 22033-1739
This is a provider directory. Contact the office directly to schedule appointments.
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