Michelle Hao
NPI 1134709421 · General Practice Physician · Walnut Creek, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michelle Hao is a General Practice Physician provider in Walnut Creek, CA (NPI 1134709421).
Provider details
- NPI number
- 1134709421
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- 0 (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
5 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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 52 | 23 |
| Amlodipine Besylate | 37 | 16 |
| Losartan Potassium | 24 | 12 |
| Levothyroxine Sodium | 19 | — |
| Trazodone Hcl | 17 | — |
| Tamsulosin Hcl | 16 | — |
| Metoprolol Tartrate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-04-11
- Last updated
- 2021-04-11
- Certified
- 2021-03-26
Frequently asked questions
- What is Michelle Hao's NPI number?
- Michelle Hao's National Provider Identifier (NPI) is 1134709421, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michelle Hao's specialty?
- Michelle Hao is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Michelle Hao located?
- Michelle Hao's practice location on file with NPPES is 1450 Treat Blvd Ste 320, Walnut Creek, CA 94597-2168.
- What is Michelle Hao's phone number?
- The practice phone number listed in the NPPES registry for Michelle Hao is (510) 292-1616.
- Does Michelle Hao accept Medicare?
- Michelle Hao is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michelle Hao's NPI active?
- Yes — Michelle Hao's NPI (1134709421) is active in the NPPES registry as of the last update on 2021-04-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.