DR. JOHN-PAUL AYALA (M.D.) – Critical Care Medicine (Internal Medicine) Physician, NPI 1740239912

DR. JOHN-PAUL AYALA (M.D.) is a healthcare provider. based in Trumbull, Connecticut. specializing in INTERNAL MEDICINE, PULMONARY DISEASE. They hold the professional credentials M.D.. They hold a License No. 044199 (CT). The NPI Number for DR. JOHN-PAUL AYALA (M.D.) is 1740239912

Main info

Male
26 Years Of Experience
Accepts Medicare Assignment
Name
DR. JOHN-PAUL AYALA (M.D.)
NPI
1740239912
Phone
(203) 261-3980
Address
15 CORPORATE DR
Enumeration Date
8 May 2006
Last Update Date
11 September 2025

Doctor Profile

Medical School Name
GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
2032688673
Graduation Year
2000 (26 years ago)
PAC ID
1759393986
Group Practice PAC ID
1254233836
Professional Enrollment ID
I20060707000002
Address ID
CT066111351TR15XXXDRXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Digital endpointsOther names

3,448 INTERNAL MEDICINE in CT

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Provider Addresses for DR. JOHN-PAUL AYALA (M.D.)

  • 15 Corporate Drive, Monroe Turnpike, Village Square Shopping Center, Trumbull, Fairfield County, Connecticut, 06468, United States

    TRUMBULL, CT 066111351

    Phone: (203) 261-3980

    Fax: (203) 261-2747

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2006-07-07

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20060707000002IInternal MedicineCTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes203106$0
99291Critical care, first 30-74 minutes19258$0
99233Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes5842$0
99213Established patient office or other outpatient visit, 20-29 minutes5745$0
99221Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes5554$0
View full utilization report →

Insurance plans in this area (ZIP 06611)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1254233836View full group profile
NameSpecialtyState
Interventional Cardiology, Cardiovascular Disease (Cardiology)CT
-CT
-CT
Internal MedicineNJ
Hospitalist, Internal MedicineCT
-CT
-CT
Internal MedicineCT
Nurse PractitionerCT
Physician AssistantCT

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Frequently asked questions

Where can patients find DR. JOHN-PAUL AYALA (M.D.)'s NPI?
You can confirm DR. JOHN-PAUL AYALA (M.D.) with NPI 1740239912; it appears in the national provider directory.
Is DR. JOHN-PAUL AYALA (M.D.)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Can you summarize DR. JOHN-PAUL AYALA (M.D.)'s specialty in plain language?
Clinically, the directory lists DR. JOHN-PAUL AYALA (M.D.) with Critical Care Medicine (Internal Medicine) Physician. Clinical services aligned with this taxonomy classification.
Where does public data place DR. JOHN-PAUL AYALA (M.D.)?
The snapshot lists Trumbull, Connecticut for DR. JOHN-PAUL AYALA (M.D.); download NPPES for the complete set.
What if Trumbull, Connecticut seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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