Nena Castro, CNM, RN
NPI 1649622671 · Midwife · San Leandro, CA
Enrolled with Medicare as Practitioner - Certified Nurse Midwife (cnm) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nena Castro, CNM, RN is a Midwife provider in San Leandro, CA (NPI 1649622671).
Provider details
- NPI number
- 1649622671
- Entity type
- Individual
- Primary specialty
- MidwifeOther Service Providers
- Credential
- CNM, RN
- Sex
- Female
- Sole proprietor
- No
- License
- 201507018RN (OR)
Specialties & taxonomies
Other Service Providers
Nursing Service Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2016-07-01
- Last updated
- 2022-01-03
Frequently asked questions
- What is Nena Castro's NPI number?
- Nena Castro's National Provider Identifier (NPI) is 1649622671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nena Castro's specialty?
- Nena Castro is listed in the NPPES registry with a primary specialty of Midwife (Other Service Providers).
- Where is Nena Castro located?
- Nena Castro's practice location on file with NPPES is 2500 Merced St, San Leandro, CA 94577-4201.
- What is Nena Castro's phone number?
- The practice phone number listed in the NPPES registry for Nena Castro is (510) 454-1000.
- Does Nena Castro accept Medicare?
- Nena Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nena Castro's NPI active?
- Yes — Nena Castro's NPI (1649622671) is active in the NPPES registry as of the last update on 2022-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.