Chung Woo, MD
NPI 1376519470 · Family Medicine Physician · Gainesville, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chung Woo, MD is a Family Medicine Physician provider in Gainesville, VA (NPI 1376519470).
Provider details
- NPI number
- 1376519470
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D0064075 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
505 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 86 | $116 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 83 | $93 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 47 | $128 |
| X-Ray of Chest, 2 Views71046 | 41 | $32 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $172 |
| Detection Test By Immunoassay Technique for Severe Acute Respiratory Syndrome Coronavirus87426 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 27 | 26 |
| Amoxicillin | 18 | 18 |
| Methylprednisolone | 18 | 15 |
| Doxycycline Hyclate | 16 | 14 |
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 13 | 13 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 12 | 11 |
| Azithromycin | 11 | — |
Practice location
Mailing address
Additional practice locations (2)
- 21044 Frederick RdGermantown, MD 20876-4132Phone: (240) 238-5432
- 11350 Random Hills RoadSuite 440Fairfax, VA 22030-6044Phone: (703) 356-4488Fax: (703) 556-4492
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2023-02-08
- Certified
- 2023-02-08
Frequently asked questions
- What is Chung Woo's NPI number?
- Chung Woo's National Provider Identifier (NPI) is 1376519470, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chung Woo's specialty?
- Chung Woo is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Chung Woo located?
- Chung Woo's practice location on file with NPPES is 14800 Lee Hwy, Gainesville, VA 20155-1842.
- What is Chung Woo's phone number?
- The practice phone number listed in the NPPES registry for Chung Woo is (703) 743-7017.
- Does Chung Woo accept Medicare?
- Chung Woo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chung Woo's NPI active?
- Yes — Chung Woo's NPI (1376519470) is active in the NPPES registry as of the last update on 2023-02-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.