Ryan Chastant, M.D.
NPI 1619118684 · Otolaryngology Physician · Lafayette, LA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Chastant, M.D. is a Otolaryngology Physician provider in Lafayette, LA (NPI 1619118684).
Provider details
- NPI number
- 1619118684
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD.207970 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 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
6,951 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) |
|---|---|---|
| Measurement of Antibody (ige) to Allergic Substance, Crude Allergen Extract, Each86003 | 2,200 | $5 |
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,374 | $13 |
| Test for Allergy Using Allergenic Extract95004 | 630 | $3 |
| Test for Allergy Using Allergenic Extract Injected Into Skin95024 | 590 | $7 |
| Professional Service for Single Injection of Allergen95115 | 463 | $9 |
| Professional Service for Multiple Injections of Allergen95117 | 392 | $11 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 312 | 140 |
| Omeprazole | 105 | 38 |
| Cefdinir | 95 | 77 |
| Azelastine Hcl | 86 | 52 |
| Ipratropium Bromide | 78 | 39 |
| Ondansetronbrand: Ondansetron Odt | 59 | 56 |
| Famotidine | 50 | 14 |
| Mupirocin | 50 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$208 across 11 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
- 2009-03-20
- Last updated
- 2021-07-07
- Certified
- 2021-07-07
Frequently asked questions
- What is Ryan Chastant's NPI number?
- Ryan Chastant's National Provider Identifier (NPI) is 1619118684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Chastant's specialty?
- Ryan Chastant is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Chastant located?
- Ryan Chastant's practice location on file with NPPES is 1000 W Pinhook Rd, Lafayette, LA 70503-2460.
- What is Ryan Chastant's phone number?
- The practice phone number listed in the NPPES registry for Ryan Chastant is (337) 237-0650.
- Does Ryan Chastant accept Medicare?
- Ryan Chastant is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Chastant's NPI active?
- Yes — Ryan Chastant's NPI (1619118684) is active in the NPPES registry as of the last update on 2021-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.