Lindsey Morgan O'Brien, MD
NPI 1427291384 · Hematology & Oncology Physician · Winchester, VA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lindsey Morgan O'Brien, MD is a Hematology & Oncology Physician provider in Winchester, VA (NPI 1427291384).
Provider details
- NPI number
- 1427291384
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 0101257872 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
4,199 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Injection of Additional New Drug Or Substance Into Vein96375 | 675 | $15 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 621 | $8 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 468 | $10 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 384 | $124 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 | 279 | $71 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 173 | $27 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 259 | 75 |
| Anastrozole | 64 | 19 |
| Apixabanbrand: Eliquis | 63 | 13 |
| Dexamethasone | 56 | 19 |
| Acyclovir | 43 | — |
| Ondansetronbrand: Ondansetron Odt | 39 | 16 |
| Hydroxyurea | 39 | 11 |
| Lenalidomide | 39 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$72 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-04-08
- Last updated
- 2023-05-24
- Certified
- 2023-05-24
Frequently asked questions
- What is Lindsey Morgan O'Brien's NPI number?
- Lindsey Morgan O'Brien's National Provider Identifier (NPI) is 1427291384, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lindsey Morgan O'Brien's specialty?
- Lindsey Morgan O'Brien is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Lindsey Morgan O'Brien located?
- Lindsey Morgan O'Brien's practice location on file with NPPES is 400 Campus Blvd., Winchester, VA 22601-6904.
- What is Lindsey Morgan O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Lindsey Morgan O'Brien is (540) 662-1108.
- Does Lindsey Morgan O'Brien accept Medicare?
- Lindsey Morgan O'Brien is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lindsey Morgan O'Brien's NPI active?
- Yes — Lindsey Morgan O'Brien's NPI (1427291384) is active in the NPPES registry as of the last update on 2023-05-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.