Rosemary Chequer, M.D.
NPI 1821068784 · Neurological Surgery Physician · Patton, CA
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rosemary Chequer, M.D. is a Neurological Surgery Physician provider in Patton, CA (NPI 1821068784).
Provider details
- NPI number
- 1821068784
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A55105 (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
- 2006-01-24
- Last updated
- 2014-03-19
Frequently asked questions
- What is Rosemary Chequer's NPI number?
- Rosemary Chequer's National Provider Identifier (NPI) is 1821068784, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rosemary Chequer's specialty?
- Rosemary Chequer is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Rosemary Chequer located?
- Rosemary Chequer's practice location on file with NPPES is 3102 E. Highland Avenue, Patton, CA 92369.
- What is Rosemary Chequer's phone number?
- The practice phone number listed in the NPPES registry for Rosemary Chequer is (909) 425-7679.
- Does Rosemary Chequer accept Medicare?
- Rosemary Chequer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rosemary Chequer's NPI active?
- Yes — Rosemary Chequer's NPI (1821068784) is active in the NPPES registry as of the last update on 2014-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.