Dr. Ethan Win Thein Lin, MD
- Medicare services, 2024
- 278
- Medicare patients, 2024
- 243
- Part D claims, 2024
- 52
- Hospital affiliations
- 5
- Industry payments
- $32
- Practice address
- 250 Bon Air Road, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Lin's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ethan Win Thein Lin is a hospitalist in Greenbrae, California
Dr. Lin practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
Dr. Lin's NPI, 1255871711, was assigned on March 3, 2017. Dr. Lin graduated from Ross University School of Medicine in 2016. Dr. Lin's California license number on file is A164328.
- NPI
- 1255871711NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305270018
- NPI enumeration date
- March 3, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 925-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ethan Win Thein Lin practices at MarinHealth Medical Center in Greenbrae, California
Dr. Lin's primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.
- MarinHealth Medical Center250 Bon Air Road, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-7900
Source: Dmand AI Affiliation Data
Dr. Ethan Win Thein Lin is affiliated with 5 sites of care and 11 medical groups
Dr. Lin's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dr. Lin is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Lin to 3 more hospitals and 10 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ethan Win Thein Lin's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lin practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MarinHealth Medical Center | Available with a free account |
| +4 more sites and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ethan Win Thein Lin is one of 3,186 hospitalists in California
Hospitalist is Dr. Lin's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lin is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Lin's licenses on file in 6 states: California, New York, Texas, Delaware, Alabama and Washington.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
- New York license
- Texas license
- Delaware license
- Family medicine, Alabama
- Washington license
Clinical focus
Dmand AI lists acute respiratory failure, acute skin infection, atherosclerosis, cardiac arrhythmia, cellulitis, circulation problems, congestive heart failure and electrolyte disorders among the conditions Dr. Lin treats.
Hospitalists near Dr. Lin
Counts of hospitalists 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. Ethan Win Thein Lin billed Medicare for 278 services in 2024
CMS data shows 278 Medicare services from Dr. Lin across 4 procedure codes in 2024, for 243 Medicare patients. Medicare paid $34,183 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lin's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3422024: 27819%
Dr. Lin compared with the California median for hospitalists, 2024
- Dr. Lin
- California median
- Medicare services
- 278vs 43035% below
- Medicare patients
- 243vs 20121% above
- Part D claims
- 15vs 6978% below
Medians across 2,991 hospitalists 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ethan Win Thein Lin treated 243 Medicare patients in 2024, average age 77
CMS counts 243 Medicare patients who saw Dr. Lin in 2024. The largest group is 75 to 84, with 77 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 55% are also on Medicaid. Their average risk score is 2.66, 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 62, with 50% women.
Dr. Lin's Medicare patients by age, 2024
Dr. Lin's Medicare patients by sex, 2024
- Women13154%
- Men11246%
Chronic conditions among Dr. Lin's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease55%
- Ischemic heart disease51%
- Diabetes50%
- Heart failure50%
- Arthritis45%
- Atrial fibrillation42%
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 62
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ethan Win Thein Lin wrote 52 Medicare Part D claims in 2024
In 2024, Dr. Lin wrote 52 Medicare Part D claims for 23 patients. 90% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $204 in total drug cost. In 2021, CMS named 36 claims across 3 drugs.
Dr. Lin's Part D claims by kind of drug, 2024
- Generic47 claims90%
- Brand-name and other5 claims10%
Dr. Lin's most prescribed drugs by claims, 2022
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
- Antibiotics31%16 of 52 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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 362022: 1558%
Drugs named by CMS: 1 in 2022, 3 in 2021.
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
How Dr. Ethan Win Thein Lin takes part in Medicare
Dr. Lin accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ethan Win Thein Lin received $32 in industry payments in 2023
CMS Open Payments shows 1 general payment to Dr. Lin from 1 drug or device company in 2023. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $32.
Companies that paid Dr. Lin the most, 2023 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ethan Win Thein Lin graduated from Ross University School of Medicine
Dr. Lin graduated from Ross University School of Medicine in 2016.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Ethan Win Thein 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, 8. Check the plan with the practice before a visit.
- Aetna
- Elevance
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- DE State Medicaid
- +2 more carriersWith a free account
Plan types Dr. Lin accepts, by number of carriers
- Medicare8
- PPO6
- HMO3
- POS3
- EPO2
- Medicaid2
Source: Dmand AI Insurance Network Data
Sources for Dr. Ethan Win Thein Lin's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ethan Win Thein 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. Ethan Win Thein Lin's NPI number?
Dr. Ethan Win Thein Lin's NPI number is 1255871711. It was assigned on March 3, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Ethan Win Thein Lin?
Dr. Ethan Win Thein Lin is a hospitalist in Greenbrae, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ethan Win Thein Lin practice?
Dr. Lin practices at 250 Bon Air Road, Greenbrae, CA 94904. Dr. Lin's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dmand AI also links Dr. Lin to 3 hospitals and 10 medical groups.
What is Dr. Ethan Win Thein Lin's office phone number?
The practice phone on file for Dr. Lin is (415) 925-7900.
What is Dr. Ethan Win Thein Lin's medical license number?
Dr. Lin's California license number on file is A164328, one of the licenses on file in 6 states.
Which states has Dr. Ethan Win Thein Lin been licensed in?
Dmand AI has state licenses on file for Dr. Lin in California (2019 to 2025), New York (2023 to 2026), Texas (2023 to 2026), Delaware (2022 to 2025), Alabama (2023 to 2024) and Washington (2023 to 2024).
Which hospitals is Dr. Ethan Win Thein Lin affiliated with?
Dr. Lin practices at MarinHealth Medical Center in Greenbrae, California. Dr. Lin is also affiliated with UCSF Helen Diller Medical Center at Parnassus Heights. Dmand AI links Dr. Lin to 3 more hospitals.
What medical group is Dr. Ethan Win Thein Lin part of?
Dr. Lin is linked to UCSF Pediatrics. Dmand AI links Dr. Lin to 10 more medical groups.
Does Dr. Ethan Win Thein Lin accept Medicare?
Yes. CMS data shows Dr. Lin billed Medicare for 278 services in 2024, and Dr. Lin accepts Medicare assignment.
How many Medicare patients does Dr. Ethan Win Thein Lin see?
CMS counts 243 Medicare patients who saw Dr. Lin in 2024, with an average age of 77.
Show 7 more questionsShow fewer questions
Is Dr. Ethan Win Thein Lin board certified?
Yes. Dr. Lin is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. Ethan Win Thein Lin bill to Medicare?
In 2024, Dr. Lin's most billed Medicare services were hospital inpatient care (99223), hospital inpatient care (99233) and hospital inpatient care (99232).
Where did Dr. Ethan Win Thein Lin go to medical school?
Dr. Lin graduated from Ross University School of Medicine in 2016.
What drugs does Dr. Ethan Win Thein Lin prescribe most?
In 2022 Medicare Part D data, Dr. Lin's most prescribed drugs by claims were Nitrofurantoin Mono-Macro.
Has Dr. Ethan Win Thein Lin received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Lin from 1 company from 2023 to 2023. The largest total came from Pfizer Inc.
How long has Dr. Ethan Win Thein Lin been practicing?
Dr. Lin graduated from medical school in 2016, 10 years ago.
What insurance does Dr. Ethan Win Thein 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, 8. Check the plan with the practice before a visit.
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