Richard-Tien Ha, M.D.
NPI 1457671117 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Cardiac Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Richard-Tien Ha, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in Stanford, CA (NPI 1457671117).
Provider details
- NPI number
- 1457671117
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A85168 (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
16 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-04
- Last updated
- 2021-12-17
Frequently asked questions
- What is Richard-Tien Ha's NPI number?
- Richard-Tien Ha's National Provider Identifier (NPI) is 1457671117, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Richard-Tien Ha's specialty?
- Richard-Tien Ha is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Richard-Tien Ha located?
- Richard-Tien Ha's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Richard-Tien Ha's phone number?
- The practice phone number listed in the NPPES registry for Richard-Tien Ha is (650) 723-4000.
- Does Richard-Tien Ha accept Medicare?
- Richard-Tien Ha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Richard-Tien Ha's NPI active?
- Yes — Richard-Tien Ha's NPI (1457671117) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.