John-Paul Ayala, M.D.
NPI 1740239912 · Critical Care Medicine (Internal Medicine) Physician · Trumbull, CT
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John-Paul Ayala, M.D. is a Critical Care Medicine (Internal Medicine) Physician provider in Trumbull, CT (NPI 1740239912).
Provider details
- NPI number
- 1740239912
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 044199 (CT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
654 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Critical Care, First 30-74 Minutes99291 | 207 | $226 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 176 | $84 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $99 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 49 | $89 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 46 | $126 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 160 | 33 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 90 | 25 |
| Prednisone | 62 | 30 |
| Budesonide/Formoterol Fumaratebrand: Symbicort | 45 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 32 | — |
| Fluticasone Propion/Salmeterolbrand: Advair Hfa | 28 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-08
- Last updated
- 2025-09-11
Frequently asked questions
- What is John-Paul Ayala's NPI number?
- John-Paul Ayala's National Provider Identifier (NPI) is 1740239912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John-Paul Ayala's specialty?
- John-Paul Ayala is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is John-Paul Ayala located?
- John-Paul Ayala's practice location on file with NPPES is 15 Corporate Dr, Trumbull, CT 06611-1351.
- What is John-Paul Ayala's phone number?
- The practice phone number listed in the NPPES registry for John-Paul Ayala is (203) 261-3980.
- Does John-Paul Ayala accept Medicare?
- John-Paul Ayala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John-Paul Ayala's NPI active?
- Yes — John-Paul Ayala's NPI (1740239912) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.