IndividualActive
Emma Williamson, CNM
NPI 1053356618 · Midwife · Santa Rosa, CA
Emma Williamson, CNM is a Midwife provider in Santa Rosa, CA (NPI 1053356618).
Provider details
- NPI number
- 1053356618
- Entity type
- Individual
- Primary specialty
- MidwifeOther Service Providers
- Credential
- CNM
- Sex
- Female
- Sole proprietor
- No
- License
- 447 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(91/100 index)
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
1111 Sonoma Ave
Ste 316
Santa Rosa, CA 95405
Phone: (707) 575-9167
Fax: (707) 575-4819
Street-level locationGet directions
Mailing address
15620 Healdsburg Ave
Healdsburg, CA 95448
Registry dates
- Enumerated
- 2006-06-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Emma Williamson's NPI number?
- Emma Williamson's National Provider Identifier (NPI) is 1053356618, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emma Williamson's specialty?
- Emma Williamson is listed in the NPPES registry with a primary specialty of Midwife (Other Service Providers).
- Where is Emma Williamson located?
- Emma Williamson's practice location on file with NPPES is 1111 Sonoma Ave, Santa Rosa, CA 95405.
- What is Emma Williamson's phone number?
- The practice phone number listed in the NPPES registry for Emma Williamson is (707) 575-9167.
- Is Emma Williamson's NPI active?
- Yes — Emma Williamson's NPI (1053356618) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.