Mary Zhu, M.D, PHD, MPH
NPI 1164497046 · General Practice Physician · Vacaville, CA
Enrolled with Medicare as Order and Referring Only - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Zhu, M.D, PHD, MPH is a General Practice Physician provider in Vacaville, CA (NPI 1164497046).
Provider details
- NPI number
- 1164497046
- Entity type
- Individual
- Primary specialty
- General Practice PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D, PHD, MPH
- Sex
- Female
- Sole proprietor
- No
- License
- A52298 (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
20 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
- 2006-02-22
- Last updated
- 2007-09-21
Frequently asked questions
- What is Mary Zhu's NPI number?
- Mary Zhu's National Provider Identifier (NPI) is 1164497046, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Zhu's specialty?
- Mary Zhu is listed in the NPPES registry with a primary specialty of General Practice Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Zhu located?
- Mary Zhu's practice location on file with NPPES is 1600 California Dr, Vacaville, CA 95687.
- What is Mary Zhu's phone number?
- The practice phone number listed in the NPPES registry for Mary Zhu is (707) 420-0110.
- Does Mary Zhu accept Medicare?
- Mary Zhu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Zhu's NPI active?
- Yes — Mary Zhu's NPI (1164497046) is active in the NPPES registry as of the last update on 2007-09-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.