Cassandra Vannortwick, NP-C
NPI 1336689009 · Family Nurse Practitioner · Battle Creek, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Vannortwick, NP-C is a Family Nurse Practitioner provider in Battle Creek, MI (NPI 1336689009).
Provider details
- NPI number
- 1336689009
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 4704279996 (MI)
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 tenure25% of score
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
481 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 148 | $13 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 121 | $76 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 115 | $100 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 31 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 30 | $75 |
| Injection of Drug Or Substance Under Skin Or Into Muscle |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 189 | 84 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 158 | 110 |
| Amlodipine Besylate | 148 | 57 |
| Lisinopril | 143 | 56 |
| Levothyroxine Sodium | 126 | 60 |
| Omeprazole | 115 | 52 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$107 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 265 Fremont St Ste 1Battle Creek, MI 49017-3354Phone: (269) 962-6221
Registry dates
- Enumerated
- 2017-03-01
- Last updated
- 2018-09-25
Frequently asked questions
- What is Cassandra Vannortwick's NPI number?
- Cassandra Vannortwick's National Provider Identifier (NPI) is 1336689009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Vannortwick's specialty?
- Cassandra Vannortwick is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Vannortwick located?
- Cassandra Vannortwick's practice location on file with NPPES is 363 Fremont St Ste 203, Battle Creek, MI 49017-3398.
- What is Cassandra Vannortwick's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Vannortwick is (269) 969-6123.
- Does Cassandra Vannortwick accept Medicare?
- Cassandra Vannortwick is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Vannortwick's NPI active?
- Yes — Cassandra Vannortwick's NPI (1336689009) is active in the NPPES registry as of the last update on 2018-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.