Alexandra Castro, PA-C
NPI 1154163764 · Physician Assistant · Morristown, NJ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alexandra Castro, PA-C is a Physician Assistant provider in Morristown, NJ (NPI 1154163764).
Provider details
- NPI number
- 1154163764
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 25MP00872900 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 757 State Route 15 S Ste 103bLake Hopatcong, NJ 07849-2284Phone: (973) 540-9700Fax: (973) 540-9717
Registry dates
- Enumerated
- 2024-06-12
- Last updated
- 2025-01-27
- Certified
- 2025-01-27
Frequently asked questions
- What is Alexandra Castro's NPI number?
- Alexandra Castro's National Provider Identifier (NPI) is 1154163764, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alexandra Castro's specialty?
- Alexandra Castro is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Alexandra Castro located?
- Alexandra Castro's practice location on file with NPPES is 131 Madison Ave Fl 2, Morristown, NJ 07960-7360.
- What is Alexandra Castro's phone number?
- The practice phone number listed in the NPPES registry for Alexandra Castro is (973) 540-9700.
- Does Alexandra Castro accept Medicare?
- Alexandra Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alexandra Castro's NPI active?
- Yes — Alexandra Castro's NPI (1154163764) is active in the NPPES registry as of the last update on 2025-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.