Sara Woo, MD
NPI 1740396738 · Emergency Medicine Physician · Leesburg, VA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sara Woo, MD is a Emergency Medicine Physician provider in Leesburg, VA (NPI 1740396738).
Provider details
- NPI number
- 1740396738
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101238758 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
991 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 592 | $165 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 242 | $8 |
| Critical Care, First 30-74 Minutes99291 | 87 | $202 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 70 | $114 |
Typical Medicare-allowed amounts for these services range $8–$202 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cephalexin | 27 | 27 |
| Ondansetronbrand: Ondansetron Odt | 27 | 27 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 26 | 26 |
| Cyclobenzaprine Hcl | 16 | 15 |
| Prednisone | 15 | 15 |
| Azithromycin | 14 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 11 | 11 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-22
- Last updated
- 2008-02-26
Frequently asked questions
- What is Sara Woo's NPI number?
- Sara Woo's National Provider Identifier (NPI) is 1740396738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sara Woo's specialty?
- Sara Woo is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Sara Woo located?
- Sara Woo's practice location on file with NPPES is 44045 Riverside Pkwy, Leesburg, VA 20176-5101.
- What is Sara Woo's phone number?
- The practice phone number listed in the NPPES registry for Sara Woo is (703) 858-6044.
- Does Sara Woo accept Medicare?
- Sara Woo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sara Woo's NPI active?
- Yes — Sara Woo's NPI (1740396738) is active in the NPPES registry as of the last update on 2008-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.