What is Stephanie Kerwin's NPI number?

Stephanie Kerwin's National Provider Identifier (NPI) is 1265121487, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephanie Kerwin's specialty?

Stephanie Kerwin is listed in the NPPES registry with a primary specialty of Midwife (Other Service Providers).

Where is Stephanie Kerwin located?

Stephanie Kerwin's practice location on file with NPPES is 245 Sea Ridge Rd, Aptos, CA 95003-4364.

What is Stephanie Kerwin's phone number?

The practice phone number listed in the NPPES registry for Stephanie Kerwin is (831) 818-7875.

Is Stephanie Kerwin's NPI active?

Yes — Stephanie Kerwin's NPI (1265121487) is active in the NPPES registry as of the last update on 2025-11-03.

IndividualActive

Stephanie Kerwin, LM, CPM

NPI 1265121487 · Midwife · Aptos, CA

Stephanie Kerwin, LM, CPM is a Midwife provider in Aptos, CA (NPI 1265121487).

Provider details

NPI number: 1265121487
Entity type: Individual
Primary specialty: MidwifeOther Service Providers
Credential: LM, CPM
Sex: Female
Sole proprietor: Yes
License: 705 (CA)

Specialties & taxonomies

MidwifePrimary176B00000XLicense 705 (CA)
Other Service Providers

Profile Score

Established profile(58/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
3 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

245 Sea Ridge Rd

Aptos, CA 95003-4364

Phone: (831) 818-7875

Fax: (831) 400-3348

Street-level locationGet directions

More CA providers

Mailing address