David Hack, MD
NPI 1861401903 · Family Medicine Physician · Wilmington, DE
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Hack, MD is a Family Medicine Physician provider in Wilmington, DE (NPI 1861401903).
Provider details
- NPI number
- 1861401903
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- C10005593 (DE)
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
194 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 | 91 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 32 | $89 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 21 | $127 |
| Hemoglobin A1c Level83036 | 18 | $10 |
| Administration of Influenza Virus VaccineG0008 | 16 | $32 |
| Administration of Pneumococcal VaccineG0009 | 16 | $32 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 39 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 49 | 17 |
| Omeprazole | 36 | 14 |
| Lisinopril | 35 | 12 |
| Losartan Potassium | 35 | — |
| Amlodipine Besylate | 35 | 12 |
| Metformin Hcl | 30 | — |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-07
- Last updated
- 2021-05-19
- Certified
- 2021-05-19
Frequently asked questions
- What is David Hack's NPI number?
- David Hack's National Provider Identifier (NPI) is 1861401903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Hack's specialty?
- David Hack is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Hack located?
- David Hack's practice location on file with NPPES is 701 N Clayton St, Wilmington, DE 19805-3165.
- What is David Hack's phone number?
- The practice phone number listed in the NPPES registry for David Hack is (302) 575-8040.
- Does David Hack accept Medicare?
- David Hack is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Hack's NPI active?
- Yes — David Hack's NPI (1861401903) is active in the NPPES registry as of the last update on 2021-05-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.