Thomas Sheng-Fang Lin, M.D.
Internal Medicine Physician · Torrance, CA
Thomas Sheng-Fang Lin, M.D. is an internal medicine physician with a practice address in Torrance, California, and NPI 1861421349, issued on Jun 30, 2006. Check the license (California A71269, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas Sheng-Fang Lin
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A71269 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21350 Hawthorne Blvd, Torrance, CA 90503
- Phone
- (310) 543-1677
- Enumerated
- Jun 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (310) 543-9838
- Medicare enrollment
- Enrolled (PECOS I20101109000021); accepts Medicare assignment
- Medical or professional school
- Albert Einstein College Of Medicine Of Yeshiva University, 1997
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 21350 Hawthorne Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas Sheng-Fang Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A71269Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average internal medicine physician in 2024
9,708 Medicare Part D claims for 662 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 40 claims were for opioids.
Most prescribed
- Amlodipine Besylate930 claims
- Atorvastatin Calcium824 claims
- Losartan Potassium821 claims
- Rosuvastatin Calcium676 claims
- Metformin Hcl341 claims
- Levothyroxine Sodium316 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.
Industry payments in 2024: $565.08
5 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. 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.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Thomas Sheng-Fang Lin among 17,696 internal medicine physician records in California
Thomas Sheng-Fang Lin, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1997 · median 2004 among the 11,065 with a school on file
- Record last updated2007 · 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).
231 internal medicine physician records list a practice address in Torrance
They are 231 of the 8,901 NPPES records with a practice address in Torrance, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Torrance → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Michael Borovay, M.D.Torrance, CA 905031174575476
- Carl Feld, MDTorrance, CA 905031205837697
- Gulzar Fidai, MDTorrance, CA 905031851398218
- Kalpana Hool, M.D.Torrance, CA 905031629043799
Common questions
What is Thomas Sheng-Fang Lin, M.D.'s NPI number?
Thomas Sheng-Fang Lin, M.D.'s National Provider Identifier (NPI) is 1861421349, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas Sheng-Fang Lin, M.D. located?
The NPPES record lists a practice address at 21350 Hawthorne Blvd, Torrance, CA, 90503. Phone: (310) 543-1677. Providers update this record themselves, so call before visiting.
How can I verify Thomas Sheng-Fang Lin, M.D.'s license?
NPPES lists California license number A71269, 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 Thomas Sheng-Fang Lin, M.D. prescribe under Medicare Part D?
In 2024, Thomas Sheng-Fang Lin, M.D. had 9,708 Medicare Part D claims for 662 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.