Liane Zwetzich, MD
NPI 1346869955 · Internal Medicine Physician · Pacific Palisades, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Liane Zwetzich, MD is a Internal Medicine Physician provider in Pacific Palisades, CA (NPI 1346869955).
Provider details
- NPI number
- 1346869955
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD27047 (ME)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
1,483 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 851 | $121 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 177 | $78 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 173 | $117 |
| Advance Care Planning, First 30 Minutes99497 | 91 | $78 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 89 | $174 |
| Critical Care, First 30-74 Minutes99291 | 73 | $215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 39 | 22 |
| Atorvastatin Calcium | 30 | 16 |
| Pantoprazole Sodium | 27 | 22 |
| Metoprolol Succinate | 24 | 14 |
| Amlodipine Besylate | 19 | — |
| Spironolactone | 19 | 12 |
| Prednisone | 18 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-14
- Last updated
- 2024-12-16
- Certified
- 2024-12-16
Frequently asked questions
- What is Liane Zwetzich's NPI number?
- Liane Zwetzich's National Provider Identifier (NPI) is 1346869955, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Liane Zwetzich's specialty?
- Liane Zwetzich is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Liane Zwetzich located?
- Liane Zwetzich's practice location on file with NPPES is 245 Tranquillo Rd, Pacific Palisades, CA 90272-3143.
- What is Liane Zwetzich's phone number?
- The practice phone number listed in the NPPES registry for Liane Zwetzich is (917) 373-1338.
- Does Liane Zwetzich accept Medicare?
- Liane Zwetzich is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Liane Zwetzich's NPI active?
- Yes — Liane Zwetzich's NPI (1346869955) is active in the NPPES registry as of the last update on 2024-12-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.