Cassandra Ernst, PA-C
NPI 1285767103 · Physician Assistant · Jacksonville, FL
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cassandra Ernst, PA-C is a Physician Assistant provider in Jacksonville, FL (NPI 1285767103).
Provider details
- NPI number
- 1285767103
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA3286 (FL)
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
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,617 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 1,146 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 476 | $105 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 311 | $41 |
| 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 | 268 | $14 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 145 | $144 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 271 | 88 |
| Semaglutidebrand: Ozempic | 98 | 48 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 77 | 34 |
| Repaglinide | 63 | 25 |
| Empagliflozinbrand: Jardiance | 54 | 24 |
| Metformin Hcl | 46 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,381 across 59 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
Registry dates
- Enumerated
- 2007-03-13
- Last updated
- 2024-06-10
- Certified
- 2024-06-10
Frequently asked questions
- What is Cassandra Ernst's NPI number?
- Cassandra Ernst's National Provider Identifier (NPI) is 1285767103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Ernst's specialty?
- Cassandra Ernst is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cassandra Ernst located?
- Cassandra Ernst's practice location on file with NPPES is 915 W Monroe St Ste 200, Jacksonville, FL 32204-1177.
- What is Cassandra Ernst's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Ernst is (904) 384-2240.
- Does Cassandra Ernst accept Medicare?
- Cassandra Ernst is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cassandra Ernst's NPI active?
- Yes — Cassandra Ernst's NPI (1285767103) is active in the NPPES registry as of the last update on 2024-06-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.