William Irvin, M.D.
NPI 1700903242 · Hematology & Oncology Physician · Midlothian, VA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Irvin, M.D. is a Hematology & Oncology Physician provider in Midlothian, VA (NPI 1700903242).
Provider details
- NPI number
- 1700903242
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2006-00276 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,393 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 556 | $15 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 422 | $135 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 264 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 43 | $62 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $125 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 391 | 168 |
| Letrozole | 90 | 43 |
| Tamoxifen Citrate | 55 | 23 |
| Duloxetine Hcl | 53 | 23 |
| Ondansetron Hcl | 42 | 35 |
| Prochlorperazine Maleate | 38 | 30 |
| Exemestane | 34 | 15 |
| Dexamethasone | 31 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-03-22
- Last updated
- 2012-07-05
Frequently asked questions
- What is William Irvin's NPI number?
- William Irvin's National Provider Identifier (NPI) is 1700903242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Irvin's specialty?
- William Irvin is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is William Irvin located?
- William Irvin's practice location on file with NPPES is 14051 St Francis Blvd, Midlothian, VA 23114-3201.
- What is William Irvin's phone number?
- The practice phone number listed in the NPPES registry for William Irvin is (804) 893-8717.
- Does William Irvin accept Medicare?
- William Irvin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Irvin's NPI active?
- Yes — William Irvin's NPI (1700903242) is active in the NPPES registry as of the last update on 2012-07-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.