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KATERINA FREYRE DIAZ MD
NPI 1922599182
Radiology - Diagnostic Radiology in Brooklyn, NY

Active since May 23, 2018PECOS EnrolledAccepts Medicare Assignment
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE, BROOKLYN, NY 11219(718) 283-6000 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 12, 2025, Jul 3, 2019, May 23, 2018 (3 updates tracked since 2018).

About Katerina Freyre Diaz Md NPPES

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

KATERINA FREYRE DIAZ MD (NPI 1922599182) is an individual diagnostic radiology provider in Brooklyn, New York, licensed in New York (320570) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS, is affiliated with Maimonides Medical Center, and maintains a secondary practice location in San Juan.

NPPES Registry Identity

NPI1922599182
Entity TypeIndividualFemale
Primary Taxonomy2085R0202X
Provider Legal NameKATERINA FREYRE DIAZCredential: MD
Location AddressMAIMONIDES MEDICAL CENTER, 4802 10TH AVENUEBrooklyn, NY 11219-3032
Mailing AddressMaimonides Medical Center, 4802 10th AvenueBrooklyn, NY 11219-3032
Phone(718) 283-6000
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateMay 23, 2018
Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
✔ NPI 1922599182 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in NY · 320570
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
MAIMONIDES MEDICAL CENTER, Brooklyn, NY 11219
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Secondary Practice Location 1

Location 1Centro Medico de Puerto Rico Bo MonacillosSan Juan, PR 00936 · Phone (787) 480-5885

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

Katerina Freyre Diaz 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 ID9032553763
PECOS Enrollment IDI20240221000756
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 14

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.

Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279
Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
66 services66 patients
Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) G0279
Diagnostic digital breast tomosynthesis is a 3D imaging test that allows doctors to examine your breast tissue layer by layer. It's performed on one or both sides. It helps in detecting abnormalities more accurately. It's often done in addition to other tests.
51 services51 patients
Diagnostic mammography of both breasts 77066
Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.
41 services41 patients
Diagnostic mammography of both breasts 77066
Diagnostic mammography involves using special imaging technology to capture detailed images of both breasts. This procedure helps in identifying any unusual changes or abnormalities. It's a crucial step in ensuring breast health and early detection of potential issues.
34 services34 patients
Diagnostic mammography of 1 breast 77065
Diagnostic mammography of 1 breast is a detailed imaging test that allows doctors to closely examine a specific area in the breast. It's often used when a routine screening reveals an abnormality. This test can help identify any unusual changes or issues.
33 services33 patients
Complete ultrasound scan of 1 breast 76641
A complete ultrasound scan of one breast is a non-invasive imaging test that uses sound waves to create detailed images of the inside of your breast. It helps in detecting any abnormalities or changes, ensuring your breast health.
32 services32 patients

Hospital Affiliations CMS Care Compare

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

Maimonides Medical Center

Acute Care Hospitals · Brooklyn, NY
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330194
Location4802 Tenth AvenueBrooklyn, NY 11219 · Kings County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11219 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
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$83.44 typical visit price
range $21.66 – $164.45
Typical copayment $20.86 (range $5.41 – $41.11)
Most-billed visit code 99213
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.

ALLIX MEGAN HILLEBRAND MD
Obstetrics & Gynecology
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-8000
ALBERTO JOSE PEDRAZA TORRES MD
Student in an Organized Health Care Education/Training Program
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-6000
MS. JANE EAPEN MD
Student in an Organized Health Care Education/Training Program
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-6000
RASIKA THAILAMBAL SHANKAR
Student in an Organized Health Care Education/Training Program
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-6000
ALARA ECE DAGSALI M.D.
Student in an Organized Health Care Education/Training Program
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-6000
DANIELLE GOLDER
Student in an Organized Health Care Education/Training Program
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-6000
DR. MEHER CHAHAL
Student in an Organized Health Care Education/Training Program
MAIMONIDES MEDICAL CENTER, 4802 10 TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-6879
VJOSANA LEKA MD
Student in an Organized Health Care Education/Training Program
MAIMONIDES MEDICAL CENTER, 4802 10TH AVENUE
BROOKLYN, NY 11219
Kings County (718) 283-6000

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 Katerina Freyre Diaz's NPI number?

The NPI number for Katerina Freyre Diaz is 1922599182. It was assigned to this individual provider in the NPPES registry on May 23, 2018.

Where is Katerina Freyre Diaz located?

Katerina Freyre Diaz practices at Maimonides Medical Center 4802 10th Avenue, Brooklyn, NY 11219. The listed phone number is (718) 283-6000.

What is Katerina Freyre Diaz's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Katerina Freyre Diaz enrolled in Medicare?

Yes. Katerina Freyre Diaz 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 Katerina Freyre Diaz affiliated with any hospitals?

According to CMS data, Katerina Freyre Diaz is affiliated with Maimonides Medical Center.

When was this NPI record last updated?

The NPPES record for Katerina Freyre Diaz was last updated on November 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.