Crystal Shagena, FNP-BC
NPI 1528677523 · Primary Care Nurse Practitioner · Carleton, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Crystal Shagena, FNP-BC is a Primary Care Nurse Practitioner provider in Carleton, MI (NPI 1528677523).
Provider details
- NPI number
- 1528677523
- Entity type
- Individual
- Primary specialty
- Primary Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 4704261257 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 76 | 72 |
| Prednisone | 75 | 66 |
| Azithromycin | 39 | 39 |
| Ibuprofen | 34 | 34 |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 22 | 21 |
| Triamcinolone Acetonide | 22 | 20 |
| Cephalexin | 20 | 19 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-07-25
- Last updated
- 2020-11-05
- Certified
- 2020-11-02
Frequently asked questions
- What is Crystal Shagena's NPI number?
- Crystal Shagena's National Provider Identifier (NPI) is 1528677523, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Crystal Shagena's specialty?
- Crystal Shagena is listed in the NPPES registry with a primary specialty of Primary Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Crystal Shagena located?
- Crystal Shagena's practice location on file with NPPES is 9920 Lazy Oak Dr, Carleton, MI 48117-9643.
- What is Crystal Shagena's phone number?
- The practice phone number listed in the NPPES registry for Crystal Shagena is (734) 755-5993.
- Does Crystal Shagena accept Medicare?
- Crystal Shagena is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Crystal Shagena's NPI active?
- Yes — Crystal Shagena's NPI (1528677523) is active in the NPPES registry as of the last update on 2020-11-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.