Dr. Michael W. Lin, MD

  • San Gabriel, CA
  • Endocrinologist
NPI1285661819PAC ID8123056421
Medicare services, 2024
2,435
Medicare patients, 2024
1,132
Part D claims, 2024
16,678
MIPS score, 2024
75
Hospital affiliations
4
Practice address
44815 Fig Avenue, Suite 100, Lancaster, CA 93534
Practice phone
Call (626) 479-8383
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Acuity Eye Group - Trinity Surgical Solutions

Surgery Center - Medicare-Certified · Lancaster, California

See all 6 affiliations

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Dr. Michael W. Lin is an endocrinologist in San Gabriel, California

Dr. Lin practices at Acuity Eye Group - Trinity Surgical Solutions in Lancaster, California.

Dr. Lin's NPI, 1285661819, was assigned on June 27, 2006. Dr. Lin graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1995. Dr. Lin holds California license A60921.

NPI and contact details
Medicare PAC ID
8123056421
NPI enumeration date
June 27, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(626) 479-8383
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Michael W. Lin practices in Lancaster and San Gabriel

Dr. Lin's primary practice is Acuity Eye Group - Trinity Surgical Solutions, at 44815 Fig Avenue, Suite 100, Lancaster, CA 93534. The practice phone is (626) 479-8383. Dr. Lin also practices at Trinity Surgical Solutions, Inc, 207 S Santa Anita St, San Gabriel, CA 91776.

  • Acuity Eye Group - Trinity Surgical SolutionsPrimary
    44815 Fig Avenue, Suite 100, Lancaster, CA 93534Phone(626) 479-8383
  • Trinity Surgical Solutions, Inc
    207 S Santa Anita St, San Gabriel, CA 91776 · Los Angeles CountyPhone(844) 408-6589

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; and Dmand AI Practice Data

Dr. Michael W. Lin is affiliated with 6 sites of care

Dr. Lin's primary practice is Acuity Eye Group - Trinity Surgical Solutions in Lancaster, California. Dr. Lin is also affiliated with AHMC San Gabriel Valley Medical Center. Dmand AI also links Dr. Lin to 3 more hospitals and 1 physician office, each named with a free account.

See all 6 affiliations for Dr. Lin

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Michael W. Lin's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lin practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Acuity Eye Group - Trinity Surgical SolutionsAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Michael W. Lin is one of 1,062 endocrinologists in California

Endocrinology, diabetes and metabolism is Dr. Lin's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Lin is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Lin is licensed in California.

Specialties and state licenses

  • Endocrinology, diabetes and metabolism, CaliforniaPrimaryLicense A60921 · 1996 to 2026 · taxonomy 207RE0101X

Clinical focus

Dmand AI lists chronic diabetes, diabetic emergency, enlarged thyroid, fluid and electrolyte imbalances, hypercalcemia, osteoporosis, overactive thyroid and parathyroid gland disorder among the conditions Dr. Lin treats.

Endocrinologists near Dr. Lin

Counts of endocrinologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Michael W. Lin billed Medicare for 2,435 services in 2024

CMS data shows 2,435 Medicare services from Dr. Lin across 9 procedure codes in 2024, for 1,132 Medicare patients. Medicare paid $253,860 for them.

Medicare services, 20242,435
Medicare patients1,132
Paid by Medicare$253,860
Procedure codes9

Dr. Lin's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,8302024: 2,43533%

Where Dr. Lin's Medicare services took place, 2024

  • In an office2,29094%
  • In a facility1456%

Dr. Lin compared with the California median for endocrinologists, 2024

  • Dr. Lin
  • California median
Medicare services
2,435vs 6753.6 times
Medicare patients
1,132vs 2404.7 times
Part D claims
16,269vs 1,10414.7 times

Medians across 994 endocrinologists in California with Dmand AI profiles that report each measure.

Dr. Lin's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Lin

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Michael W. Lin treated 1,132 Medicare patients in 2024, average age 75

CMS counts 1,132 Medicare patients who saw Dr. Lin in 2024. The largest group is 65 to 74, with 489 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 62% are also on Medicaid. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Lin's median patient age at 67, with 73% women.

Medicare patients, 20241,132
Average age75
Average risk score1.74
Also on Medicaid62%

Dr. Lin's Medicare patients by age, 2024

Dr. Lin's Medicare patients by sex, 2024

  • Women73565%
  • Men39735%

Chronic conditions among Dr. Lin's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes74%
  4. Chronic kidney disease50%
  5. Arthritis46%
  6. Ischemic heart disease37%
  7. Osteoporosis36%
  8. Heart failure21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Lin's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women73%
  • Men26%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Michael W. Lin wrote 16,678 Medicare Part D claims in 2024

In 2024, Dr. Lin wrote 16,678 Medicare Part D claims for 1,403 patients. 48% of them were for generic drugs. CMS names the drug for 16,269 of them, across 116 drugs with 11 or more claims each, at $4,595,415 in total drug cost. In 2023, CMS named 18,674 claims across 112 drugs.

Part D claims, 202416,678
Drugs named by CMS116
Total drug cost$4.6M
Part D patients1,403

Dr. Lin's Part D claims by kind of drug, 2024

  • Generic7,966 claims48%
  • Brand-name6,838 claims41%
  • Other1,874 claims11%

Dr. Lin's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Lin's Part D claims, 2024

  • Antibiotics0%20 of 16,678 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 18,6742024: 16,26913%

Drugs named by CMS: 116 in 2024, 112 in 2023.

See all prescribing by Dr. Lin

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Michael W. Lin scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Dr. Lin for performance year 2024, reported individually. Dr. Lin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Michael W. Lin received $1,146 in industry payments from 2016 to 2023

CMS Open Payments shows 54 general payments to Dr. Lin from 15 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 89% of the total. Abbott Laboratories paid the most, $220.

General payments to Dr. Lin by program year, 2016 to 2023

General payments to Dr. Lin by kind, 2016 to 2023

$1.1Kin total
  • Food and beverage$1,02089%
  • Education$686%
  • Gifts$595%

Companies that paid Dr. Lin the most, 2016 to 2023

Share is of all general payments to this clinician.

See all payments to Dr. Lin

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Michael W. Lin graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science

Dr. Lin graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1995.

  1. Medical schoolChicago Medical School at Rosalind Franklin University of Medicine and Science
  2. Board certified in endocrinology, diabetes and metabolismAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Dr. Michael W. Lin accepts plans from 10 insurance carriers

Dr. Lin is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

Plan types Dr. Lin accepts, by number of carriers

  1. Medicare9
  2. HMO6
  3. PPO6
  4. POS3
  5. Medicaid2
  6. EPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Michael W. Lin's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Michael W. Lin

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Michael W. Lin's NPI number?

Dr. Michael W. Lin's NPI number is 1285661819. It was assigned on June 27, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Michael W. Lin?

Dr. Michael W. Lin is an endocrinologist in San Gabriel, California. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).

Where does Dr. Michael W. Lin practice?

Dr. Lin practices at 44815 Fig Avenue, Suite 100, Lancaster, CA 93534. Dr. Lin also practices at 207 S Santa Anita St, San Gabriel, CA 91776. Dr. Lin's primary practice is Acuity Eye Group - Trinity Surgical Solutions in Lancaster, California. Dmand AI also links Dr. Lin to 3 hospitals and 1 physician office.

What is Dr. Michael W. Lin's office phone number?

The practice phone on file for Dr. Lin is (626) 479-8383.

What is Dr. Michael W. Lin's medical license number?

Dr. Lin holds California license A60921.

Which hospitals is Dr. Michael W. Lin affiliated with?

Dr. Lin is affiliated with AHMC San Gabriel Valley Medical Center. Dmand AI links Dr. Lin to 3 more hospitals.

Does Dr. Michael W. Lin accept Medicare?

Yes. CMS data shows Dr. Lin billed Medicare for 2,435 services in 2024, and Dr. Lin accepts Medicare assignment.

What is Dr. Michael W. Lin's MIPS score?

Dr. Lin's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Dr. Michael W. Lin see?

CMS counts 1,132 Medicare patients who saw Dr. Lin in 2024, with an average age of 75.

Is Dr. Michael W. Lin board certified?

Yes. Dr. Lin is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.

Show 6 more questionsShow fewer questions

What services does Dr. Michael W. Lin bill to Medicare?

In 2024, Dr. Lin's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and office visit, established patient (99213).

Where did Dr. Michael W. Lin go to medical school?

Dr. Lin graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1995.

What drugs does Dr. Michael W. Lin prescribe most?

In 2024 Medicare Part D data, Dr. Lin's most prescribed drugs by claims were Levothyroxine Sodium, Metformin HCl and Glimepiride.

Has Dr. Michael W. Lin received payments from drug or device companies?

CMS Open Payments shows $1,146 in general payments to Dr. Lin from 15 companies from 2016 to 2023. The largest total came from Abbott Laboratories.

How long has Dr. Michael W. Lin been practicing?

Dr. Lin graduated from medical school in 1995, 31 years ago.

What insurance does Dr. Michael W. Lin accept?

Dr. Lin is in network with 10 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 9. Check the plan with the practice before a visit.

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