David Flack, D.O.
NPI 1730384298 · Family Medicine Physician · Winchester, VA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Flack, D.O. is a Family Medicine Physician provider in Winchester, VA (NPI 1730384298).
Provider details
- NPI number
- 1730384298
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 0102202200 (VA)
Specialties & taxonomies
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
5,246 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 818 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 720 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 633 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 610 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 585 | $8 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 482 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 160 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 694 | 200 |
| Amlodipine Besylate | 486 | 133 |
| Lisinopril | 416 | 118 |
| Rosuvastatin Calcium | 323 | 88 |
| Levothyroxine Sodium | 321 | 84 |
| Losartan Potassium | 303 | 88 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-15
- Last updated
- 2021-02-27
- Certified
- 2021-02-27
Frequently asked questions
- What is David Flack's NPI number?
- David Flack's National Provider Identifier (NPI) is 1730384298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Flack's specialty?
- David Flack is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Flack located?
- David Flack's practice location on file with NPPES is 104 Selma Dr, Winchester, VA 22601-3834.
- What is David Flack's phone number?
- The practice phone number listed in the NPPES registry for David Flack is (540) 678-2800.
- Does David Flack accept Medicare?
- David Flack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Flack's NPI active?
- Yes — David Flack's NPI (1730384298) is active in the NPPES registry as of the last update on 2021-02-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.