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Edit this profileNicholas J. Farrell, MD practices hematology & oncology in Rockville, MD. Nicholas is a 2000 graduate of Virginia Commonwealth University, School of Medicine. Medicare claims data shows Nicholas provided 106,628 services to 2,230 patients. The services billed most often include injection, darbepoetin alfa, 1 microgram (non-esrd use), injection, azacitidine, 1 mg, and injection, ferric carboxymaltose, 1 mg. The provider's National Provider Identifier (NPI) is 1821291477.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9707 MEDICAL CENTER DR SUITE 300
Rockville, MD 20850
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
106,628 services · 2,230 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection, darbepoetin alfa, 1 microgram (non-esrd use) | Drug given | J0881 |
20,740 | More often than most peers in Hematology & Oncology |
| Injection, azacitidine, 1 mg | Drug given | J9025 |
16,500 | More often than most peers in Hematology & Oncology |
| Injection, ferric carboxymaltose, 1 mg | Drug given | J1439 |
13,500 | Less often than most peers in Hematology & Oncology |
| Injection, daratumumab, 10 mg and hyaluronidase-fihj | Drug given | J9144 |
10,980 | More often than most peers in Hematology & Oncology |
| Injection, oxaliplatin, 0.5 mg | Drug given | J9263 |
9,700 | As often as other peers in Hematology & Oncology |
| Injection, pembrolizumab, 1 mg | Drug given | J9271 |
9,000 | Less often than most peers in Hematology & Oncology |
| Injection, aprepitant, 1 mg | Drug given | J0185 |
5,720 | As often as other peers in Hematology & Oncology |
| Injection, denosumab, 1 mg | Drug given | J0897 |
3,000 | As often as other peers in Hematology & Oncology |
| Injection, paclitaxel, 1 mg | Drug given | J9267 |
2,748 | Less often than most peers in Hematology & Oncology |
| Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg | Drug given | J1568 |
2,610 | As often as other peers in Hematology & Oncology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Farrell is a cancer specialist in Rockville, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Hematology & Oncology”.
NPI registry
Dr. Farrell is listed at 9707 Medical Center Dr Suite 300, Rockville, MD 20850. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (301) 424-6231. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Farrell's National Provider Identifier is 1821291477. 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. Farrell attended Virginia Commonwealth University, School of Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Dr. Farrell has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Farrell 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Farrell. If this is you, claiming it is free.
Guide.md
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