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- 12 E 86Th St Ofc 4, New York, NY 10028
About Dr. Gruenstein
Steven Gruenstein, M.D. is a healthcare provider in New York, NY specializing in hematology/oncology. Steven is also listed as specializing in hematology & oncology. Medicare claims data shows Steven provided 104,880 services to 12,718 patients. The services billed most often include injection, ferric carboxymaltose, 1 mg, injection, darbepoetin alfa, 1 microgram (non-esrd use), and flow cytometry technique for dna or cell analysis, each additional marker. This provider record is associated with NPI 1407855307.
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
- (212) 861-6660
- Email not available
Practice Locations
12 E 86TH ST OFC 4
New York, NY 10028
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
104,880 services · 12,718 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
2,942 | More than most peers in Hematology/Oncology |
| Injection, ferric carboxymaltose, 1 mg | Drug given | J1439 |
57,750 | More often than most peers in Hematology/Oncology |
| Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Drug given | J0881 |
7,900 | Less often than most peers in Hematology/Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
4,440 | As often as other peers in Hematology/Oncology |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
915 | Less often than most peers in Hematology/Oncology |
| Flow cytometry technique for dna or cell analysis, each additional marker | Lab test | 88185 |
5,989 | More than most peers in Hematology/Oncology |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
2,770 | More than most peers in Hematology/Oncology |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
2,602 | More than most peers in Hematology/Oncology |
| Phosphate level | Lab test | 84100 |
2,423 | More than most peers in Hematology/Oncology |
| Magnesium level | Lab test | 83735 |
2,367 | More 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.
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 New York 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1984 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 Steven Gruenstein specialize in?
Steven Gruenstein is a hematology/oncology in New York, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Steven Gruenstein located?
Steven Gruenstein is listed at 12 E 86Th St Ofc 4, New York, NY 10028. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Steven Gruenstein's phone number?
The number on file is (212) 861-6660. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Steven Gruenstein?
Steven Gruenstein's National Provider Identifier is 1407855307. 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 Steven Gruenstein train?
Steven Gruenstein attended Other, graduating in 1984. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Steven Gruenstein have?
Steven Gruenstein has 42 years experience. Calculated from a graduation year of 1984, reported in the CMS National Downloadable File.
CMS public data
What does Steven Gruenstein do most often?
According to Medicare billing data, Steven Gruenstein 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 Steven Gruenstein's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Steven Gruenstein. If this is you, claiming it is free.
Guide.md
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