DR. DEMETRIUS DANIEL FELIPE MAZIDIS DO
NPI 1952979387
Student in an Organized Health Care Education/Training Program in Brooklyn, NY

Active since June 13, 2021PECOS EnrolledAccepts Medicare Assignment
450 CLARKSON AVE, BROOKLYN, NY 11203(718) 270-1000 Get Directions Write a Review

NPPES record last updated: June 13, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Demetrius Daniel Felipe Mazidis Do NPPES

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

DR. DEMETRIUS DANIEL FELIPE MAZIDIS DO (NPI 1952979387) is an individual student in an organized health care education/training program in Brooklyn, New York and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS, is affiliated with John T Mather Memorial Hospital Of Port Jefferson, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1952979387
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameDR. DEMETRIUS DANIEL FELIPE MAZIDISCredential: DO
Location Address450 CLARKSON AVEBrooklyn, NY 11203-2012
Mailing Address958 76th StBrooklyn, NY 11228-2318 · (516) 924-6854 · Fax (484) 255-8922
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateJune 13, 2021
NPPES CertifiedJune 13, 2021
NPI 1952979387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
450 CLARKSON AVE, Brooklyn, NY 11203

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Demetrius Daniel Felipe Mazidis Do 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 ID446783146
PECOS Enrollment IDI20241104000715
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 4

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
317 services137 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
80 services80 patients
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309
A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.
70 services16 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

John T Mather Memorial Hospital Of Port Jefferson

Acute Care Hospitals · Port Jefferson, NY
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330185
Location75 North Country RoadPort Jefferson, NY 11777 · Suffolk County
Emergency services

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.

Obstetrics & Gynecology
450 CLARKSON AVE
BROOKLYN, NY 11203
Internal Medicine (Gastroenterology)
450 CLARKSON AVE, SUITE A
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Student in an Organized Health Care Education/Training Program
450 CLARKSON AVE, SUNY DOWNSTATE MEDICAL CENTER
BROOKLYN, NY 11203
Internal Medicine (Pulmonary Disease)
450 CLARKSON AVE
BROOKLYN, NY 11203
Family Medicine
450 CLARKSON AVE, MSC 67
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203
Emergency Medicine
450 CLARKSON AVE
BROOKLYN, NY 11203

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 Demetrius Mazidis's NPI number?

The NPI number for Demetrius Mazidis is 1952979387. It was assigned to this individual provider in the NPPES registry on June 13, 2021.

Where is Demetrius Mazidis located?

Demetrius Mazidis practices at 450 Clarkson Ave, Brooklyn, NY 11203. The listed phone number is (718) 270-1000.

What is Demetrius Mazidis's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Demetrius Mazidis enrolled in Medicare?

Yes. Demetrius Mazidis 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.

Is Demetrius Mazidis affiliated with any hospitals?

According to CMS data, Demetrius Mazidis is affiliated with John T Mather Memorial Hospital Of Port Jefferson.

When was this NPI record last updated?

The NPPES record for Demetrius Mazidis was last updated on June 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.