Grant Lawless, M.D.
NPI 1871854695 · Internal Medicine Physician · Thousand Oaks, CA
Grant Lawless, M.D. is a Internal Medicine Physician provider in Thousand Oaks, CA (NPI 1871854695).
Provider details
- NPI number
- 1871854695
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- MD-039917-L (PA)
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
14 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
- 2012-06-07
- Last updated
- 2012-06-07
Frequently asked questions
- What is Grant Lawless's NPI number?
- Grant Lawless's National Provider Identifier (NPI) is 1871854695, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Lawless's specialty?
- Grant Lawless is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Grant Lawless located?
- Grant Lawless's practice location on file with NPPES is 956 Paseo Santa Cruz, Thousand Oaks, CA 91320.
- What is Grant Lawless's phone number?
- The practice phone number listed in the NPPES registry for Grant Lawless is (805) 376-0411.
- Is Grant Lawless's NPI active?
- Yes — Grant Lawless's NPI (1871854695) is active in the NPPES registry as of the last update on 2012-06-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.