David Chao, M.D.
NPI 1720371073 · Internal Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Chao, M.D. is a Internal Medicine Physician provider in Pittsburgh, PA (NPI 1720371073).
Provider details
- NPI number
- 1720371073
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A130162 (CA)
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
15 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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 216 | 208 |
| Omeprazole | 48 | 31 |
| Budesonidebrand: Budesonide Dr | 31 | 16 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 20 | — |
| Rifaximinbrand: Xifaxan | 18 | — |
| Mesalamine | 17 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-05-19
- Last updated
- 2022-02-11
Frequently asked questions
- What is David Chao's NPI number?
- David Chao's National Provider Identifier (NPI) is 1720371073, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Chao's specialty?
- David Chao is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Chao located?
- David Chao's practice location on file with NPPES is 5230 Centre Ave, Pittsburgh, PA 15232-1304.
- What is David Chao's phone number?
- The practice phone number listed in the NPPES registry for David Chao is (408) 569-5663.
- Does David Chao accept Medicare?
- David Chao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Chao's NPI active?
- Yes — David Chao's NPI (1720371073) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.