PETER GREGOS
NPI 1447670773
Internal Medicine - Hematology & Oncology in Brooklyn, NY

Q: What is Peter Gregos's NPI number?

The NPI number for Peter Gregos is 1447670773. It was assigned to this individual provider in the NPPES registry on April 25, 2014.

Q: What is Peter Gregos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Q: When was this NPI record last updated?

The NPPES record for Peter Gregos was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since April 25, 2014PECOS EnrolledAccepts Medicare Assignment

90.38/100

CMS Quality Rating

506 6TH ST, BROOKLYN, NY 11215(347) 694-5035(718) 855-4396 Get Directions Write a Review

NPPES record last updated: February 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 12, 2025, Dec 28, 2022, Aug 17, 2020 and 1 more (4 updates tracked since 2020).

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About Peter Gregos NPPES

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

PETER GREGOS (NPI 1447670773) is an individual hematology & oncology provider in Brooklyn, New York, licensed in New York (305725) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1447670773

Entity TypeIndividualMale

Primary Taxonomy207RH0003X

Provider Legal NamePETER GREGOS

Location Address506 6TH STBrooklyn, NY 11215-3609

Mailing Address506 6th StBrooklyn, NY 11215-3609

Phone(347) 694-5035

Fax(718) 855-4396

Sole ProprietorYes

Medical School CMSOtherGraduated 2013

Enumeration DateApril 25, 2014

Last NPPES UpdateFebruary 12, 20254 updates tracked since enumeration

NPPES CertifiedFebruary 12, 2025

✔ NPI 1447670773 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians

Taxonomy Code207RH0003X

License✔ Licensed in NY · 305725

Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

506 6TH ST, Brooklyn, NY 11215

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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 and accepts Medicare assignment

Peter Gregos 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 ID2163840562

PECOS Enrollment IDI20200917000557

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 12

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

219 services86 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

141 services82 patients

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.

85 services36 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.

73 services26 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.

35 services32 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.

27 services26 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

24 services24 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

21 services15 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.

19 services13 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

17 services12 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

15 services15 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

13 services13 patients

Hospital Affiliations CMS Care Compare

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

New York-Presbyterian Hospital

Acute Care Hospitals · New York, NY

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330101

Location525 East 68th StreetNew York, NY 10065 · New York County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11215 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

$203.53 typical visit price

range $67.40 – $203.53

Typical copayment $50.88 (range $16.85 – $50.88)

Most-billed visit code 99205

Established Patient

$117.62 typical visit price

range $21.66 – $164.45

Typical copayment $29.40 (range $5.41 – $41.11)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.38/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

87.09

Promoting Interoperability

100

Improvement Activities

Cost

56.12

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.

DR. VIVIAN JOLLEY BEA M.D.

Surgery

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3288

YANJIN YANG

Internal Medicine

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3000

JOY THERESE MULLEN RN, NP

Nurse Practitioner (Adult Health)

506 6TH ST, EP2
BROOKLYN, NY 11215

Kings County (718) 780-5040

ASHWAD AFZAL M.D.

Internal Medicine

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-5246

DR. DANIAH ALBOKHARI M.D.

Student in an Organized Health Care Education/Training Program

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-5260

SASIS SIRIKANJANAPONG

Pathology (Anatomic Pathology)

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3634

DR. DANIELLE ABADI MD

Pediatrics

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-5260

KOREN H KWAG MD

Student in an Organized Health Care Education/Training Program

506 6TH ST
BROOKLYN, NY 11215

Kings County (718) 780-3000

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 Peter Gregos's NPI number?

The NPI number for Peter Gregos is 1447670773. It was assigned to this individual provider in the NPPES registry on April 25, 2014.

Where is Peter Gregos located?

Peter Gregos practices at 506 6th St, Brooklyn, NY 11215. The listed phone number is (347) 694-5035.

What is Peter Gregos's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Peter Gregos enrolled in Medicare?

Yes. Peter Gregos 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 Peter Gregos affiliated with any hospitals?

According to CMS data, Peter Gregos is affiliated with New York-Presbyterian Hospital.

When was this NPI record last updated?

The NPPES record for Peter Gregos was last updated on February 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.