IndividualActive
B.melissa Derfler, MD
NPI 1053472373 · Psychiatry Physician · Arroyo Grande, CA
B.melissa Derfler, MD is a Psychiatry Physician provider in Arroyo Grande, CA (NPI 1053472373).
Provider details
- NPI number
- 1053472373
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- G57007 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1057 Grand Ave
Arroyo Grande, CA 93420-2504
Phone: (805) 481-7220
Fax: (805) 938-0257
Street-level locationGet directions
Mailing address
170 Vista Cir
Arroyo Grande, CA 93420-1619
Registry dates
- Enumerated
- 2006-12-12
- Last updated
- 2007-07-10
Frequently asked questions
- What is B.melissa Derfler's NPI number?
- B.melissa Derfler's National Provider Identifier (NPI) is 1053472373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is B.melissa Derfler's specialty?
- B.melissa Derfler is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is B.melissa Derfler located?
- B.melissa Derfler's practice location on file with NPPES is 1057 Grand Ave, Arroyo Grande, CA 93420-2504.
- What is B.melissa Derfler's phone number?
- The practice phone number listed in the NPPES registry for B.melissa Derfler is (805) 481-7220.
- Is B.melissa Derfler's NPI active?
- Yes — B.melissa Derfler's NPI (1053472373) is active in the NPPES registry as of the last update on 2007-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.