NPPES file of Aug 9, 2026

Sandor Tzu-Sheng Lin, PA

Physician Assistant · Escondido, CA

Sandor Tzu-Sheng Lin, PA is a physician assistant with a practice address in Escondido, California, and NPI 1720231863, issued on Nov 3, 2008. Check the license (California PA19895, as entered in NPPES) with the California board that licenses this profession; 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
1720231863
Name
Sandor Tzu-Sheng Lin
Credential
PA
Primary taxonomy
Physician Assistant 363A00000X
License number
PA19895 CA
Self-reported in NPPES; status is on the state search
Practice location
225 E 2ND Ave, Escondido, CA 92025
Phone
(760) 291-6700
Enumerated
Nov 3, 2008
Record last updated
Dec 3, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
1720231863 CA
Medicare enrollment
Enrolled (PECOS I20081129000026); 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 225 E 2ND Ave

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

  1. Sarina Adhikary Sharma, MDFamily Medicine Physician1134377633
  2. Amar Amin, MDDiagnostic Radiology Physician1316181225
  3. Denise Baker, D.P.T.Physical Therapist1386820959
  4. Bethany Bartlett, M.D.Family Medicine Physician1053761403
  5. David Borecky, M.D.Family Medicine Physician1679591705
  6. Jared Brummel, D.O.Orthopaedic Surgery Physician1225265101

Verify Sandor Tzu-Sheng Lin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license PA19895
    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
Find 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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33% more Medicare Part D claims than the average physician assistant in 2024

1,107 Medicare Part D claims for 618 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.

  1. Sandor Lin1,107
  2. Specialty average830

Most prescribed

  1. Prednisone116 claims
  2. Doxycycline Monohydrate91 claims
  3. Hydrocortisone88 claims
  4. Naproxen77 claims
  5. Amoxicillin52 claims
  6. Cefuroxime51 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. Southern California Permanente Medical GroupSan Diego, CA

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

Sandor Tzu-Sheng Lin among 14,451 physician assistant records in California

Sandor Tzu-Sheng Lin, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 22% of them.

  • NPI issued2008 · 22% of these records are older, 75% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2008 · median 2018 among the 7,214 with a school on file
  • Record last updated2021 · 40% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

54 physician assistant records list a practice address in Escondido

They are 54 of the 3,509 NPPES records with a practice address in Escondido, and 14,451 physician assistant records in California.

The 8 physician assistant records with the nearest ZIP codes

  1. Andres Bravo, PA-CEscondido, CA 920251447273594
  2. Richard Brownsberger, P.A.Escondido, CA 920251871554592
  3. Pamela Coleson, PA-CEscondido, CA 920251174757165
  4. John Frisbie, P.A.-CEscondido, CA 920251548276173
  5. Jennifer Gallagher, RPA-CEscondido, CA 920251114029535
  6. Sophia Marquis, PAEscondido, CA 920251174692545
  7. Jim Marte, PA-CEscondido, CA 920251659389096
  8. Laurel Miller, PHYSICIAN ASSISTANTEscondido, CA 920251598992133

Common questions

What is Sandor Tzu-Sheng Lin, PA's NPI number?

Sandor Tzu-Sheng Lin, PA's National Provider Identifier (NPI) is 1720231863, issued on Nov 3, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Sandor Tzu-Sheng Lin, PA located?

The NPPES record lists a practice address at 225 E 2ND Ave, Escondido, CA, 92025. Phone: (760) 291-6700. Providers update this record themselves, so call before visiting.

How can I verify Sandor Tzu-Sheng Lin, PA's license?

NPPES lists California license number PA19895, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Sandor Tzu-Sheng Lin, PA prescribe under Medicare Part D?

In 2024, Sandor Tzu-Sheng Lin, PA had 1,107 Medicare Part D claims for 618 beneficiaries; the average among physician assistant prescribers was 830. 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.