ALYSSA FAE BACAY DO
NPI 1205456274
Internal Medicine - Infectious Disease in Roxbury, MA

Q: What is Alyssa Bacay's NPI number?

The NPI number for Alyssa Bacay is 1205456274. It was assigned to this individual provider in the NPPES registry on April 20, 2020.

Q: What is Alyssa Bacay's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Alyssa Bacay was last updated on August 11, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since April 20, 2020PECOS Enrolled

1290 TREMONT ST, ROXBURY, MA 02120(617) 427-1000 Get Directions Write a Review

NPPES record last updated: August 11, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Aug 11, 2025, Jul 9, 2023, Apr 20, 2020 (3 updates tracked since 2020).

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About Alyssa Fae Bacay Do NPPES

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

ALYSSA FAE BACAY DO (NPI 1205456274) is an individual infectious disease provider in Roxbury, Massachusetts, licensed in Massachusetts (1023905) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1205456274

Entity TypeIndividualFemale

Primary Taxonomy207RI0200X

Provider Legal NameALYSSA FAE BACAYCredential: DO

Location Address1290 TREMONT STRoxbury, MA 02120-3432

Mailing Address1290 Tremont StRoxbury, MA 02120-3432

Phone(617) 427-1000

Sole ProprietorNo

Enumeration DateApril 20, 2020

Last NPPES UpdateAugust 11, 20253 updates tracked since enumeration

NPPES CertifiedAugust 11, 2025

✔ NPI 1205456274 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in MA · 1023905

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.

Also ListedInternal MedicineTaxonomy 207R00000X · License 1023905 (MA)

1290 TREMONT ST, Roxbury, MA 02120

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Alyssa Fae Bacay Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02120 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

$144.11 typical visit price

range $63.72 – $189.86

Typical copayment $36.02 (range $15.93 – $47.46)

Most-billed visit code 99204

Established Patient

$111.18 typical visit price

range $21.07 – $155.29

Typical copayment $27.79 (range $5.26 – $38.82)

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.