1. Home
  2. Directory
  3. Connecticut
  4. Hartford
  5. Internal Medicine
  6. NPI Profile

ALVARO JOSE AYALA MD
NPI 1346828381
Internal Medicine - Infectious Disease in Hartford, CT

Active since March 31, 2021PECOS EnrolledAccepts Medicare Assignment
131 COVENTRY ST, HARTFORD, CT 06112(860) 714-3690(860) 714-8541 Get Directions Write a Review

NPPES record last updated: June 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 5, 2026, Mar 31, 2021 (2 updates tracked since 2021).

About Alvaro Jose Ayala Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALVARO JOSE AYALA MD (NPI 1346828381) is an individual infectious disease provider in Hartford, Connecticut, licensed in Connecticut (83064) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2026).

NPPES Registry Identity

NPI1346828381
Entity TypeIndividualMale
Primary Taxonomy207RI0200X
Provider Legal NameALVARO JOSE AYALACredential: MD
Location Address131 COVENTRY STHartford, CT 06112-1548
Mailing Address263 Farmington AveFarmington, CT 06030-1921 · (860) 679-2147 · Fax (860) 679-4624
Phone(860) 714-3690
Fax(860) 714-8541
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2026
Enumeration DateMarch 31, 2021
Last NPPES UpdateJune 5, 20262 updates tracked since enumeration
NPPES CertifiedJune 5, 2026
✔ NPI 1346828381 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CT · 83064
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
131 COVENTRY ST, Hartford, CT 06112
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Alvaro Jose Ayala Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7113499765
PECOS Enrollment IDI20260615001657
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alvaro Ayala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Charlotte Hungerford Hospital
23 mi
General Acute Care Hospital
540 LITCHFIELD ST
Torrington, CT 06790
  • Reassigned Medicare billing, Connecticut enrollment
  • 374 clinicians in this Medicare group
NPI 1629075734 (860) 496-6729

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06112 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$138.84 typical visit price
range $60.82 – $183.10
Typical copayment $34.71 (range $15.20 – $45.77)
Most-billed visit code 99204
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. EILEEN CALLAHAN FARRAR NURSE PRACTITIONER
Nurse Practitioner (Community Health)
131 COVENTRY ST, DISEASE PREVENTION&HEALTH PROMOTION
HARTFORD, CT 06112
Capitol Planning Region (860) 757-4830
ANJANA ELIZABETH ABRAHAM DO
Student in an Organized Health Care Education/Training Program
131 COVENTRY ST
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690
DR. BRUCE E. GOULD M.D.
Internal Medicine
131 COVENTRY ST, BURGDORF CLINIC - 2ND FLOOR
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690
MS. SUSAN MARY DEGENNARO APRN
Nurse Practitioner (Family)
131 COVENTRY ST
HARTFORD, CT 06112
Capitol Planning Region (860) 543-8820
ADNAN ZAIDI M.D.
Student in an Organized Health Care Education/Training Program
131 COVENTRY ST
HARTFORD, CT 06112
Capitol Planning Region (860) 714-2813
DR. GRAEL O'BRIEN M.D.
Pediatrics (Adolescent Medicine)
131 COVENTRY ST, BURGDORF CLINIC - 2ND FLOOR ADMINISTRATION
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690
BURGDORF BANK OF AMERICA HEALTH CENTER
Clinic/Center (Primary Care)
131 COVENTRY ST, 2ND FLOOR ADMINISTRATION
HARTFORD, CT 06112
Capitol Planning Region (860) 714-2813
DR. ELLEN OLARSCH NESTLER M.D.
Internal Medicine
131 COVENTRY ST, BURGDORF CLINIC 2ND FLOOR - ADMINISTRATION
HARTFORD, CT 06112
Capitol Planning Region (860) 714-3690

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alvaro Ayala's NPI number?

The NPI number for Alvaro Ayala is 1346828381. It was assigned to this individual provider in the NPPES registry on March 31, 2021.

Where is Alvaro Ayala located?

Alvaro Ayala practices at 131 Coventry St, Hartford, CT 06112. The listed phone number is (860) 714-3690.

What is Alvaro Ayala's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Alvaro Ayala enrolled in Medicare?

Yes. Alvaro Ayala is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Alvaro Ayala's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alvaro Ayala reassigns Medicare benefits to The Charlotte Hungerford Hospital (Torrington, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alvaro Ayala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Alvaro Ayala was last updated on June 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.