Margaret Marquez, MD
NPI 1992855712 · Hospice and Palliative Medicine (Internal Medicine) Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Hospice/Palliative Care · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Marquez, MD is a Hospice and Palliative Medicine (Internal Medicine) Physician provider in Santa Rosa, CA (NPI 1992855712).
Provider details
- NPI number
- 1992855712
- Entity type
- Individual
- Primary specialty
- Hospice and Palliative Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A060357 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
19 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
- 2007-01-12
- Last updated
- 2021-12-20
Frequently asked questions
- What is Margaret Marquez's NPI number?
- Margaret Marquez's National Provider Identifier (NPI) is 1992855712, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Marquez's specialty?
- Margaret Marquez is listed in the NPPES registry with a primary specialty of Hospice and Palliative Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Marquez located?
- Margaret Marquez's practice location on file with NPPES is 401 Bicentennial Way, Santa Rosa, CA 95403-2149.
- What is Margaret Marquez's phone number?
- The practice phone number listed in the NPPES registry for Margaret Marquez is (707) 393-4000.
- Does Margaret Marquez accept Medicare?
- Margaret Marquez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Marquez's NPI active?
- Yes — Margaret Marquez's NPI (1992855712) is active in the NPPES registry as of the last update on 2021-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.