Charles Merrill, M.D.
NPI 1679504880 · Emergency Medicine Physician · Santa Maria, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Charles Merrill, M.D. is a Emergency Medicine Physician provider in Santa Maria, CA (NPI 1679504880).
Provider details
- NPI number
- 1679504880
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G39667 (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
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
- 2006-07-05
- Last updated
- 2008-11-17
Frequently asked questions
- What is Charles Merrill's NPI number?
- Charles Merrill's National Provider Identifier (NPI) is 1679504880, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Charles Merrill's specialty?
- Charles Merrill is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Charles Merrill located?
- Charles Merrill's practice location on file with NPPES is 1400 E Church St, Santa Maria, CA 93454-5906.
- What is Charles Merrill's phone number?
- The practice phone number listed in the NPPES registry for Charles Merrill is (805) 739-3200.
- Does Charles Merrill accept Medicare?
- Charles Merrill is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Charles Merrill's NPI active?
- Yes — Charles Merrill's NPI (1679504880) is active in the NPPES registry as of the last update on 2008-11-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.