Ryan Chassereau, CRNA
NPI 1184673139 · Certified Registered Nurse Anesthetist · Greenville, SC
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Chassereau, CRNA is a Certified Registered Nurse Anesthetist provider in Greenville, SC (NPI 1184673139).
Provider details
- NPI number
- 1184673139
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Female
- Sole proprietor
- No
- License
- 1226 (SC)
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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
471 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) |
|---|---|---|
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 272 | $71 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 75 | $61 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 39 | $77 |
| Anesthesia for Exam of Colon Using an Endoscope00812 | 36 | $54 |
| Anesthesia for Procedure on Gallbladder, Pancreas, Or Liver Using an Endoscope00732 | 32 | $111 |
| Anesthesia for Other Closed Procedure on Chest00520 | 17 | $93 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$76 across 4 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 (3)
- 800 N Fant StAnderson, SC 29621-5708Phone: (864) 512-1000
- 102 Buckland WayGreenville, SC 29615-6042Phone: (864) 286-9946
- 2720 Sunset BlvdWest Columbia, SC 29169-4810Phone: (803) 791-2000
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2026-02-11
- Certified
- 2026-02-11
Frequently asked questions
- What is Ryan Chassereau's NPI number?
- Ryan Chassereau's National Provider Identifier (NPI) is 1184673139, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Chassereau's specialty?
- Ryan Chassereau is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Chassereau located?
- Ryan Chassereau's practice location on file with NPPES is 7 Independence PT Ste 300, Greenville, SC 29615-4569.
- What is Ryan Chassereau's phone number?
- The practice phone number listed in the NPPES registry for Ryan Chassereau is (864) 522-3700.
- Does Ryan Chassereau accept Medicare?
- Ryan Chassereau is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Chassereau's NPI active?
- Yes — Ryan Chassereau's NPI (1184673139) is active in the NPPES registry as of the last update on 2026-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.