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- 506 6Th St, Brooklyn, NY 11215
About Peter Gregos
Based in Brooklyn, NY, Peter Gregos is listed in the NPI registry under hematology/oncology. Peter is also listed as specializing in hematology & oncology and student in an organized health care education program. Medicare claims data shows Peter provided 867 services to 493 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more. NPI 1447670773 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (347) 694-5035
- Email not available
Practice Locations
506 6TH ST
Brooklyn, NY 11215
Conditions Commonly Evaluated or Treated
Within Hematology and Oncology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Anemia
- Blood clots
- Breast cancer
- Colon cancer
- Iron-deficiency anemia
- Leukemia
- Lung cancer
- Lymphoma
- Prostate cancer
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
- Bleeding Disorders
- Blood Clot in Lung
- Blood Clotting Gene Mutation
- Deep vein thrombosis
- Hemochromatosis
- High Platelet Count
- High White Blood Cell Count
- Low Platelets
- Low White Blood Cell Count
- Thick Blood
- Unexplained Bruising
Blood disorders
- Bone Marrow Scarring
- Hemolytic Anemia in Children
- Pre-Myeloma Protein In Blood
- Vitamin B12 deficiency anemia
Bone & Soft Tissue Cancers
Digestive Cancers
Endocrine Cancers
Endocrine tumors
Gastrointestinal cancer
General oncology
Genetic Blood Disorders
Gynecologic cancer
Gynecologic Cancers
Head & Neck Cancers
Head and neck cancer
Neurologic Cancers
Oncologic emergencies
Ophthalmologic oncology
Skin cancer
Skin Cancers
Urologic Cancers
Procedures & services
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
- Chemo allergy desensitization
- Oral chemotherapy management
- Radiation oncology consultation
- Spinal chemo injection
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
- Bone Strengthening Injections For Cancer
- Pain Management For Cancer
- Red Blood Cell Booster Shot
- White Blood Cell Booster Injection
Supportive cancer care
- Cancer nutrition counseling
- Chemo brain treatment
- Cold cap therapy for hair loss
- Fertility Preservation for Teens Before Cancer Treatment
- Hyperbaric oxygen for radiation damage
- Lymphedema Drainage Therapy
- Palliative cancer care
Surgical & Vascular Access
- Chemo port placement
- Chemo port removal
- Draining lung fluid
- Paracentesis
- PICC line placement coordination
Testing & Genetics
Vascular access care
Procedures Most Often Billed to Medicare
867 services · 493 patients · 14 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
21 | Less often than most peers in Hematology/Oncology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
219 | As often as other peers in Hematology/Oncology |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
162 | As often as other peers in Hematology/Oncology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
141 | More often than most peers in Hematology/Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
85 | More often than most peers in Hematology/Oncology |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
73 | As often as other peers in Hematology/Oncology |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
35 | More often than most peers in Hematology/Oncology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
27 | As often as other peers in Hematology/Oncology |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
24 | As often as other peers in Hematology/Oncology |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
19 | Less often than most peers in Hematology/Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other hematology/oncology specialists in Brooklyn 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2013 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Peter Gregos specialize in?
Peter Gregos is a hematology/oncology in Brooklyn, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Peter Gregos located?
Peter Gregos is listed at 506 6Th St, Brooklyn, NY 11215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Peter Gregos's phone number?
The number on file is (347) 694-5035. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Peter Gregos?
Peter Gregos's National Provider Identifier is 1447670773. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Peter Gregos train?
Peter Gregos attended Other, graduating in 2013. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Peter Gregos have?
Peter Gregos has 13 years experience. Calculated from a graduation year of 2013, reported in the CMS National Downloadable File.
CMS public data
What does Peter Gregos do most often?
According to Medicare billing data, Peter Gregos performs procedures including insertion of needle into vein for collection of blood sample, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Peter Gregos's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Peter Gregos. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.