Kathryn Castorena, NP
NPI 1659793420 · Nurse Practitioner · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kathryn Castorena, NP is a Nurse Practitioner provider in Ann Arbor, MI (NPI 1659793420).
Provider details
- NPI number
- 1659793420
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 4704282048 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
12 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
- 2014-01-14
- Last updated
- 2014-01-17
Frequently asked questions
- What is Kathryn Castorena's NPI number?
- Kathryn Castorena's National Provider Identifier (NPI) is 1659793420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kathryn Castorena's specialty?
- Kathryn Castorena is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Kathryn Castorena located?
- Kathryn Castorena's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5344.
- What is Kathryn Castorena's phone number?
- The practice phone number listed in the NPPES registry for Kathryn Castorena is (734) 936-8857.
- Does Kathryn Castorena accept Medicare?
- Kathryn Castorena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kathryn Castorena's NPI active?
- Yes — Kathryn Castorena's NPI (1659793420) is active in the NPPES registry as of the last update on 2014-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.