David Lieberman
NPI 1235591991 · Internal Medicine Physician · Nantucket, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Lieberman is a Internal Medicine Physician provider in Nantucket, MA (NPI 1235591991).
Provider details
- NPI number
- 1235591991
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 1021348 (MA)
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
10 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
710 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 | 329 | $94 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 106 | $94 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 82 | $126 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 74 | $64 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 38 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 74 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 303 | 88 |
| Amlodipine Besylate | 253 | 86 |
| Levothyroxine Sodium | 164 | 51 |
| Lisinopril | 155 | 48 |
| Losartan Potassium | 144 | 47 |
| Rosuvastatin Calcium | 143 | 46 |
| Semaglutide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-03-22
- Last updated
- 2025-05-16
- Certified
- 2025-05-16
Frequently asked questions
- What is David Lieberman's NPI number?
- David Lieberman's National Provider Identifier (NPI) is 1235591991, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Lieberman's specialty?
- David Lieberman is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Lieberman located?
- David Lieberman's practice location on file with NPPES is 57 Prospect St, Nantucket, MA 02554-2799.
- What is David Lieberman's phone number?
- The practice phone number listed in the NPPES registry for David Lieberman is (508) 825-8100.
- Does David Lieberman accept Medicare?
- David Lieberman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Lieberman's NPI active?
- Yes — David Lieberman's NPI (1235591991) is active in the NPPES registry as of the last update on 2025-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.