NPPES file of Aug 9, 2026

Andy Liu Lin, MD

Internal Medicine Physician · Orange, CA

Andy Liu Lin, MD is an internal medicine physician with a practice address in Orange, California, and NPI 1134879802, issued on Mar 25, 2022. Check the license (California A187705, 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
1134879802
Name
Andy Liu Lin
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A187705 CA
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S Ste 400, Orange, CA 92868
Phone
(714) 456-5691
Enumerated
Mar 25, 2022
Record last updated
Jun 4, 2025
Medicare enrollment
Enrolled (PECOS I20250701003559); accepts Medicare assignment
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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Also registered at 101 The City Dr S Ste 400

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Joshua AbataStudent in an Organized Health Care Education/Training Program1437899697
  2. Mark Abdelnour, MDStudent in an Organized Health Care Education/Training Program1194527812
  3. Shant AbrhamianStudent in an Organized Health Care Education/Training Program1033911219
  4. Salam AllahwerdyStudent in an Organized Health Care Education/Training Program1124767470
  5. Lily Allison, MDStudent in an Organized Health Care Education/Training Program1063272441
  6. Charissa Alo, MDStudent in an Organized Health Care Education/Training Program1801699335

Verify Andy Liu Lin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A187705
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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97% fewer Medicare Part D claims than the average internal medicine physician in 2024

94 Medicare Part D claims for 37 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Andy Lin94
  2. Specialty average3,176

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.

Industry payments in 2024: $149.94

2 payments; by number, the most common kind was food and beverage; the largest payer was Merz Pharmaceuticals, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Andy Lin$149.94
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. The Regents OF The University OF California-IrvineOrange, CA

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

Andy Liu Lin among 17,696 internal medicine physician records in California

Andy Liu Lin, 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 2022, is newer than 95% of them.

  • NPI issued2022 · 95% of these records are older, 2% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2022 · median 2004 among the 11,065 with a school on file
  • Record last updated2025 · 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).

187 internal medicine physician records list a practice address in Orange

They are 187 of the 13,245 NPPES records with a practice address in Orange, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Jane Abdelhadi, M.D.Orange, CA 928681124097100
  2. Edwin Alexander, M.D.Orange, CA 928681659315752
  3. Romilla Batra, MDOrange, CA 928681871545038
  4. Ronald Daoud, M.D.Orange, CA 928681093732992
  5. Nadia Elihu, M.D.Orange, CA 928681659340156
  6. Roy Herndon, M.D.Orange, CA 928681417928383
  7. Deepti Pandita, MDOrange, CA 928681255358727
  8. Maryam Rahimi, MDOrange, CA 928681043268949

Common questions

What is Andy Liu Lin, MD's NPI number?

Andy Liu Lin, MD's National Provider Identifier (NPI) is 1134879802, issued on Mar 25, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Andy Liu Lin, MD located?

The NPPES record lists a practice address at 101 The City Dr S Ste 400, Orange, CA, 92868. Phone: (714) 456-5691. Providers update this record themselves, so call before visiting.

How can I verify Andy Liu Lin, MD's license?

NPPES lists California license number A187705, 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 Andy Liu Lin, MD prescribe under Medicare Part D?

In 2024, Andy Liu Lin, MD had 94 Medicare Part D claims for 37 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.