Woody Chang, M.D.
NPI 1659571743 · Internal Medicine Physician · Vienna, VA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Woody Chang, M.D. is a Internal Medicine Physician provider in Vienna, VA (NPI 1659571743).
Provider details
- NPI number
- 1659571743
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0101227547 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 32 | 11 |
| Amlodipine Besylate | 20 | — |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 17 | — |
| Tamsulosin Hcl | 17 | — |
| Metoprolol Tartrate | 16 | — |
| Levothyroxine Sodium | 14 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-07-18
- Last updated
- 2007-07-18
Frequently asked questions
- What is Woody Chang's NPI number?
- Woody Chang's National Provider Identifier (NPI) is 1659571743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Woody Chang's specialty?
- Woody Chang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Woody Chang located?
- Woody Chang's practice location on file with NPPES is 1934 Old Gallows Rd Ste 350, Vienna, VA 22182-4050.
- What is Woody Chang's phone number?
- The practice phone number listed in the NPPES registry for Woody Chang is (703) 698-1997.
- Does Woody Chang accept Medicare?
- Woody Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Woody Chang's NPI active?
- Yes — Woody Chang's NPI (1659571743) is active in the NPPES registry as of the last update on 2007-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.