Oanh Ha, M.D.
NPI 1881783165 · Anesthesiology Physician · Alamo, CA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Oanh Ha, M.D. is a Anesthesiology Physician provider in Alamo, CA (NPI 1881783165).
Provider details
- NPI number
- 1881783165
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A62889 (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
19 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
- 2006-10-12
- Last updated
- 2022-02-11
Frequently asked questions
- What is Oanh Ha's NPI number?
- Oanh Ha's National Provider Identifier (NPI) is 1881783165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Oanh Ha's specialty?
- Oanh Ha is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Oanh Ha located?
- Oanh Ha's practice location on file with NPPES is 29 Orchard Ct, Alamo, CA 94507-1541.
- What is Oanh Ha's phone number?
- The practice phone number listed in the NPPES registry for Oanh Ha is (415) 336-4839.
- Does Oanh Ha accept Medicare?
- Oanh Ha is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Oanh Ha's NPI active?
- Yes — Oanh Ha's NPI (1881783165) 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.