Physician Profile
Peter G. Maslak, MD
Unclaimed ProfileAbout Dr. Maslak
Peter G. Maslak, MD practices hematology in Buffalo, NY. Peter is a 1984 graduate of Icahn School of Medicine at Mount Sinai. Medicare claims data shows Peter provided 145 services to 130 patients. The services billed most often include pathology clinical consultation for clinical problem, 5-20 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (716) 845-2300
- Email not available
Practice Locations
ELM AND CARLTON ST
Buffalo, NY 14263
Conditions Commonly Evaluated or Treated
Within Hematology 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
Anemia
- Folate Deficiency
Bleeding disorders
- Bleeding Disorders
- Frequent Unexplained Nosebleeds
- Heavy Period Bleeding From Bleeding Disorder
- Unexplained Bruising
Blood and immune disorders
- Cold Protein In Blood
- Mast Cell Activation Syndrome
Blood cancer
- Multiple Myeloma
- Pre-Myeloma Protein In Blood
- Waldenstrom Macroglobulinemia
Blood clots
- Blood Clot in Lung
- Blood Clots In Pregnancy
- Deep vein thrombosis
Bone marrow disorders
- Bone Marrow Scarring
- Myelodysplastic Syndrome
Clotting disorders
- Antiphospholipid Syndrome
- Blood Clotting Gene Mutation
Inherited blood disorders
- Sickle Cell Trait
Iron disorders
- Hemochromatosis
- High Ferritin
- Low Ferritin
Lymph conditions
Lymph disorders
- Castleman Disease
Metabolic blood disorders
- Porphyria
Nutritional blood disorders
Organ conditions
Platelet disorders
- High Platelet Count
- Low Platelets
- Rare Blood Clotting Disease
Protein disorders
- Amyloidosis
Red blood cell disorders
- Cold-Triggered Blood Breakdown
- Hemolytic Anemia in Children
- Nighttime Red Blood Cell Breakdown
- Sickle cell disease
- Thalassemia
- Thick Blood
White blood cell disorders
- High Eosinophil Count
- High White Blood Cell Count
- Histamine Intolerance
- Low White Blood Cell Count
Procedures & services
Most searched procedures
- Blood transfusion
- Chemotherapy
- Immunotherapy
- Targeted therapy
Biopsy
Blood treatments
- Blood Exchange Transfusion
- Plasmapheresis
- Platelet Removal Procedure
- Therapeutic Blood Draw
- White Blood Cell Removal Procedure
Catheter care
- Chemo Port Flush And Maintenance
Cell therapy
- Donor Lymphocyte Infusion
Cellular therapy
Consultation
- Bleeding Disorder Testing
- Second Opinion For Blood Disorders
Consultations
- Port Placement Consultation
- Pre-Surgery Bleeding Clearance
Diagnostic tests
- Clotting Inhibitor Mixing Study
- Complete Blood Count
- Factor Level Blood Test
- Folic Acid Blood Test
- G6PD Enzyme Test
- Iron Level Blood Test
Infusions
Injections
- Red Blood Cell Booster Shots
- White Blood Cell Booster Injection
Lab tests
- Blood Cancer Cell Marker Test
- Blood Clotting Tests
- Blood Smear Examination
- Coomb's Test
- Genetic Blood Clotting Test
- Hemoglobin Electrophoresis
- Myeloma Blood Protein Test
Medication management
- Blood Clot Management
- Iron Chelation Therapy
Monitoring
- Coumadin INR fingerstick test
Patient education
- Clotting Factor Self-Infusion Training
Procedures
- Apheresis for Children
- Bone Marrow Harvest
- Port Removal Procedure
Transfusion therapy
- Blood Transfusion Management
- Platelet Transfusion
Transplants
- Stem Cell Donor Matching
- Stem Cell Transplant
Treatments
- Desmopressin Treatment
- Sickle Cell Crisis Treatment
Procedures Most Often Billed to Medicare
145 services · 130 patients · 1 distinct code
| Procedure | Type | Code | Services |
|---|---|---|---|
| Pathology clinical consultation for clinical problem, 5-20 minutes | Lab test | 80503 |
145 |
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.
Other hematology specialists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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.
More connections — 15 related providers in 3 groups
Trained at Icahn School of Medicine at Mount Sinai 6
Other providers in the same specialty who trained at the same institution.
Class of 1984 at Icahn School of Medicine at Mount Sinai 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Maslak specialize in?
Dr. Maslak is a hematology in Buffalo, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Maslak located?
Dr. Maslak is listed at Elm and Carlton St, Buffalo, NY 14263. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Maslak's phone number?
The number on file is (716) 845-2300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Maslak?
Dr. Maslak's National Provider Identifier is 1265403067. 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 Dr. Maslak go to medical school?
Dr. Maslak attended Icahn School of Medicine at Mount Sinai, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Maslak have?
Dr. Maslak has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Maslak do most often?
According to Medicare billing data, Dr. Maslak the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Maslak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Maslak. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.