1. Home
  2. Directory
  3. Massachusetts
  4. Boston
  5. Internal Medicine
  6. NPI Profile

DR. GILSON MAURO COSTA FERNANDES FILHO M.D.
NPI 1194106369
Internal Medicine - Clinical Cardiac Electrophysiology in Boston, MA

Active since June 14, 2015PECOS Enrolled
830 HARRISON AVE STE 3500, BOSTON, MA 02118(617) 638-8776(617) 414-8772 Get Directions Write a Review

NPPES record last updated: January 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jan 10, 2025, May 1, 2023 (2 updates tracked since 2023).

About Dr. Gilson Mauro Costa Fernandes Filho M.d. NPPES

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

DR. GILSON MAURO COSTA FERNANDES FILHO M.D. (NPI 1194106369) is an individual clinical cardiac electrophysiology provider in Boston, Massachusetts, licensed in Massachusetts (1014564) and active in the NPI registry since June 2015. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194106369
Entity TypeIndividualMale
Primary Taxonomy207RC0001X
Provider Legal NameDR. GILSON MAURO COSTA FERNANDES FILHOCredential: M.D.
Location Address830 HARRISON AVE STE 3500Boston, MA 02118-2905
Mailing Address960 Massachusetts Avenue, Fl 2Boston, MA 02118-4100 · (617) 414-5405
Phone(617) 638-8776
Fax(617) 414-8772
Sole ProprietorNo
Enumeration DateJune 14, 2015
Last NPPES UpdateJanuary 10, 20252 updates tracked since enumeration
NPPES CertifiedJanuary 10, 2025
✔ NPI 1194106369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Clinical Cardiac ElectrophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RC0001X
License✔ Licensed in MA · 1014564
Definition
A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Also ListedInternal MedicineTaxonomy 207R00000X · License 1014564 (MA)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 1014564 (MA)
830 HARRISON AVE STE 3500, Boston, MA 02118
Open in Google Maps ↗

Other Identifiers 1

Medicaid110199208AMA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gilson Mauro Costa Fernandes Filho M.d. 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.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
1,026 services683 patients
Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228
An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.
118 services117 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
31 services31 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
27 services15 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
17 services16 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
15 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02118 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.

Other Providers at the Same Location NPPES

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

EMILY JOHNSON
Nurse Practitioner (Family)
830 HARRISON AVE STE 3500
BOSTON, MA 02118
Suffolk County (617) 638-8776

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 Gilson Costa Fernandes Filho's NPI number?

The NPI number for Gilson Costa Fernandes Filho is 1194106369. It was assigned to this individual provider in the NPPES registry on June 14, 2015.

Where is Gilson Costa Fernandes Filho located?

Gilson Costa Fernandes Filho practices at 830 Harrison Ave Ste 3500, Boston, MA 02118. The listed phone number is (617) 638-8776.

What is Gilson Costa Fernandes Filho's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Clinical Cardiac Electrophysiology, with taxonomy code 207RC0001X.

Is Gilson Costa Fernandes Filho enrolled in Medicare?

Yes. Gilson Costa Fernandes Filho is registered in the Medicare PECOS enrollment system.

What insurance does Gilson Costa Fernandes Filho accept?

Health plans from Anthem Blue Cross and Blue Shield list Gilson Costa Fernandes Filho as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gilson Costa Fernandes Filho was last updated on January 10, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.