John Lin, M.D.
Critical Care Medicine (Internal Medicine) Physician · Valencia, CA
John Lin, M.D. is a critical care medicine (internal medicine) physician with a practice address in Valencia, California, and NPI 1972558138, issued on May 24, 2006. Check the license (California A82618, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Lin
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- A82618 CA
Self-reported in NPPES; status is on the state search - Practice location
- 27055 Island RD, Valencia, CA 91355
- Phone
- (310) 623-0020
- Enumerated
- May 24, 2006
- Record last updated
- Jan 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (661) 670-0393
- Medicaid ID
- 00A826180 CA
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 723 in California → Look up another NPI →
Verify John Lin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A82618Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
25 Medicare Part D claims, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
John Lin among 723 critical care medicine (internal medicine) physician records in California
John Lin, M.D. is one of 723 critical care medicine (internal medicine) physician records with a practice address in California. 87% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 60% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileNo · 77% of these records are
- Record last updated2011 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in California
There are 723 critical care medicine (internal medicine) physician records in California.
All 723 in California → Every provider in Valencia → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Shahriar Ghodsian, MDThousand Oaks, CA 913601699728410
- Albert Lim, MDWoodland Hills, CA 913671134296007
- Arian Torbati, MDWoodland Hills, CA 913671750420451
- Vincent Chan, M.D.Sylmar, CA 913421891929956
- Julien NguyenSylmar, CA 913421417377714
- Roman Nepomuceno, MDPorter Ranch, CA 913261417715558
- Sasan Sani, M.D.Northridge, CA 913251760702179
- Asma Jamil, MDSherman Oaks, CA 914031598206740
Common questions
What is John Lin, M.D.'s NPI number?
John Lin, M.D.'s National Provider Identifier (NPI) is 1972558138, issued on May 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Lin, M.D. located?
The NPPES record lists a practice address at 27055 Island RD, Valencia, CA, 91355. Phone: (310) 623-0020. Providers update this record themselves, so call before visiting.
How can I verify John Lin, M.D.'s license?
NPPES lists California license number A82618, 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 John Lin, M.D. prescribe under Medicare Part D?
In 2024, John Lin, M.D. had 25 Medicare Part D claims; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.