NPPES file of Aug 9, 2026

Liane Zwetzich, MD

Internal Medicine Physician · Pacific Palisades, CA

Liane Zwetzich, MD is an internal medicine physician with a practice address in Pacific Palisades, California, and NPI 1346869955, issued on Apr 14, 2020. Check the license (California A191931, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1346869955
Name
Liane Zwetzich
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
A191931 CA
MD27047 ME
Self-reported in NPPES; status is on the state search
Practice location
245 Tranquillo RD, Pacific Palisades, CA 90272
Phone
(917) 373-1338
Enumerated
Apr 14, 2020
Record last updated
Dec 16, 2024
Medicare enrollment
Enrolled (PECOS I20240105001996); accepts Medicare assignment
Medical or professional school
Florida International Univ, College Of Medicine, 2020
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Liane Zwetzich in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A191931
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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80% fewer Medicare Part D claims than the average internal medicine physician in 2024

628 Medicare Part D claims for 178 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Liane Zwetzich628
  2. Specialty average3,176

Most prescribed

  1. Furosemide39 claims
  2. Atorvastatin Calcium30 claims
  3. Pantoprazole Sodium27 claims
  4. Metoprolol Succinate24 claims
  5. Amlodipine Besylate19 claims
  6. Spironolactone19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Kansal IncWest Hollywood, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Liane Zwetzich among 17,696 internal medicine physician records in California

Liane Zwetzich, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2020 · median 2004 among the 11,065 with a school on file
  • Record last updated2024 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

8 internal medicine physician records list a practice address in Pacific Palisades

They are 8 of the 251 NPPES records with a practice address in Pacific Palisades, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mihaela Balica, MDPacific Palisades, CA 902721609935287
  2. Gary Green, MDPacific Palisades, CA 902721154345254
  3. Howard Lehrhoff, M.D.Pacific Palisades, CA 902721659493047
  4. Julie Ma, MDPacific Palisades, CA 902721306865688
  5. Damon Raskin, MDPacific Palisades, CA 902721528254133
  6. Robert Saltzman, M.D. INC.Pacific Palisades, CA 902721003972316
  7. Roberta Smith, MDPacific Palisades, CA 902721164532750
  8. Hiva Bastanmehr, M.D.Rolling Hills Estates, CA 902741396751194

Common questions

What is Liane Zwetzich, MD's NPI number?

Liane Zwetzich, MD's National Provider Identifier (NPI) is 1346869955, issued on Apr 14, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Liane Zwetzich, MD located?

The NPPES record lists a practice address at 245 Tranquillo RD, Pacific Palisades, CA, 90272. Phone: (917) 373-1338. Providers update this record themselves, so call before visiting.

How can I verify Liane Zwetzich, MD's license?

NPPES lists California license number A191931, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Liane Zwetzich, MD prescribe under Medicare Part D?

In 2024, Liane Zwetzich, MD had 628 Medicare Part D claims for 178 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.