Janet Lau, M.D.
NPI 1831368968 · Hospitalist Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janet Lau, M.D. is a Hospitalist Physician provider in Tucson, AZ (NPI 1831368968).
Provider details
- NPI number
- 1831368968
- Entity type
- Individual
- Primary specialty
- Hospitalist PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 48254 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2008-02-22
- Last updated
- 2021-08-18
- Certified
- 2021-08-18
Frequently asked questions
- What is Janet Lau's NPI number?
- Janet Lau's National Provider Identifier (NPI) is 1831368968, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janet Lau's specialty?
- Janet Lau is listed in the NPPES registry with a primary specialty of Hospitalist Physician (Allopathic & Osteopathic Physicians).
- Where is Janet Lau located?
- Janet Lau's practice location on file with NPPES is 5301 E Grant Rd, Tucson, AZ 85712-2805.
- What is Janet Lau's phone number?
- The practice phone number listed in the NPPES registry for Janet Lau is (520) 324-7802.
- Does Janet Lau accept Medicare?
- Janet Lau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janet Lau's NPI active?
- Yes — Janet Lau's NPI (1831368968) is active in the NPPES registry as of the last update on 2021-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.