Physician Profile
Andrew L. Himelstein, MD is a healthcare provider in Newark, DE specializing in hematology & oncology. Andrew trained at Washington University School of Medicine, graduating in 1985. Andrew is also listed as specializing in family medicine. According to Medicare claims data, Andrew cared for 874 Medicare patients across 20,608 services. The services billed most often include injection, pembrolizumab, 1 mg, injection, denosumab, 1 mg, and injection, dexamethasone sodium phosphate, 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
4701 OGLETOWN STANTON RD SUITE 3400
Newark, DE 19713
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.
Most searched conditions
Advanced Cancers
Blood & Lymph Disorders
Blood Cancers
Blood Disorders
Blood disorders
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
Most searched procedures
Biopsies & Diagnostics
Blood disorder care
Cancer Therapies
Cancer therapy
Cellular Therapies
Consultations
Diagnostic testing
Hematology Treatments
Imaging
Infusions
Interventional oncology
Supportive Cancer Care
Supportive cancer care
Surgical & Vascular Access
Testing & Genetics
Vascular access care
20,608 services · 874 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
169 | As often as other peers in Hematology & Oncology |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
110 | Less often than most peers in Hematology & Oncology |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
108 | As often as other peers in Hematology & Oncology |
| Administration of non-hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96401 |
80 | As often as other peers in Hematology & Oncology |
| Administration of hormonal anti-neoplastic chemotherapy under skin or into muscle | Treatment | 96402 |
71 | As often as other peers in Hematology & Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | Treatment | 96365 |
58 | Less often than most peers in Hematology & Oncology |
| Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less | Treatment | 96367 |
44 | Less often than most peers in Hematology & Oncology |
| Administration of additional new drug or substance into vein, 1 hour or less | Treatment | 96417 |
34 | Less often than most peers in Hematology & Oncology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
25 | Less often than most peers in Hematology & Oncology |
| Administration of additional new drug or substance into vein using push technique | Treatment | 96411 |
20 | 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.
Dr. Himelstein is a cancer specialist in Newark, DE. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Dr. Himelstein is listed at 4701 Ogletown Stanton Rd Suite 3400, Newark, DE 19713. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (302) 366-1200. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Himelstein's National Provider Identifier is 1841269966. 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
Dr. Himelstein attended Washington University School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. Himelstein has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Himelstein provides treatments such as administration of chemotherapy into vein, 1 hour or less and injection of additional new drug or substance into vein, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Himelstein. 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.