Dr. Lei Thandar Win, MD
- Medicare services, 2024
- 1,123
- Medicare patients, 2024
- 255
- Part D claims, 2024
- 1,555
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 10941 Bloomfield St, Suite C, Los Alamitos, CA 90720
- Practice phone
- Call (562) 228-1410
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
U.S. Renal Care Orange County Home
Dialysis Center - Independent · Los Alamitos, California
Find Dr. Win'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. Lei Thandar Win is an internist in Los Alamitos, California
Dr. Win practices at U.S. Renal Care Orange County Home in Los Alamitos, California.
Dr. Win's NPI, 1124436001, was assigned on July 23, 2014. Dr. Win graduated from University Institute of Medicine 1 in 2009. Dr. Win holds California license A145310.
- NPI
- 1124436001NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961771662
- NPI enumeration date
- July 23, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (562) 228-1410
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 45
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Lei Thandar Win practices at U.S. Renal Care Orange County Home in Los Alamitos, California
Dr. Win's primary practice is U.S. Renal Care Orange County Home, at 10941 Bloomfield St, Suite C, Los Alamitos, CA 90720 in Orange County. The practice phone is (562) 228-1410.
- U.S. Renal Care Orange County Home10941 Bloomfield St, Suite C, Los Alamitos, CA 90720 · Orange CountyPhone(562) 228-1410
Source: Dmand AI Affiliation Data
Dr. Lei Thandar Win is affiliated with 10 sites of care and 6 medical groups
Dr. Win's primary practice is U.S. Renal Care Orange County Home in Los Alamitos, California. Dr. Win is also affiliated with UCI Health - Orange. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Win to 3 more hospitals, 5 medical groups, 3 dialysis centers and 2 group practices and clinics, 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. Lei Thandar Win's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Win practices, 10 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| U.S. Renal Care Orange County Home | Available with a free account |
| +9 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Lei Thandar Win is one of 16,751 internists in California
Internal medicine is Dr. Win's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Win is board certified in internal medicine by the American Board of Internal Medicine. Dr. Win is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists anemia, chronic kidney disease, fluid and electrolyte imbalances, gastrointestinal bleeding, hypercalcemia, kidney failure, sepsis and thoracic spine disorders among the conditions Dr. Win treats.
Internists near Dr. Win
Counts of internists 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. Lei Thandar Win billed Medicare for 1,123 services in 2024
CMS data shows 1,123 Medicare services from Dr. Win across 8 procedure codes in 2024, for 255 Medicare patients. Medicare paid $124,053 for them.
Dr. Win's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9482024: 9371%
- Tests and treatments
- 2023: 1482024: 18626%
Where Dr. Win's Medicare services took place, 2024
- In an office33530%
- In a facility78870%
Dr. Win compared with the California median for internists, 2024
- Dr. Win
- California median
- Medicare services
- 1,123vs 3613.1 times
- Medicare patients
- 255vs 15169% above
- Part D claims
- 1,211vs 4212.9 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Win'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.
Need commercial claims for Dr. Win?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Win and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Lei Thandar Win treated 255 Medicare patients in 2024, average age 73
CMS counts 255 Medicare patients who saw Dr. Win in 2024. The largest group is 75 to 84, with 86 patients. 75% of them have chronic kidney disease, and 75% have high blood pressure. 52% are also on Medicaid. Their average risk score is 5.36, 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. Win's median patient age at 74, with 53% women.
Dr. Win's Medicare patients by age, 2024
Dr. Win's Medicare patients by sex, 2024
- Women12649%
- Men12951%
Chronic conditions among Dr. Win's Medicare patients, 2024
- Chronic kidney disease75%
- High blood pressure75%
- High cholesterol75%
- Diabetes72%
- Heart failure62%
- Ischemic heart disease56%
- Arthritis51%
- Atrial fibrillation42%
Share of Medicare patients with each condition. A patient can have several.
Dr. Win's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Lei Thandar Win wrote 1,555 Medicare Part D claims in 2024
In 2024, Dr. Win wrote 1,555 Medicare Part D claims for 234 patients. 79% of them were for generic drugs. CMS names the drug for 1,211 of them, across 36 drugs with 11 or more claims each, at $173,716 in total drug cost. In 2023, CMS named 599 claims across 22 drugs.
Dr. Win's Part D claims by kind of drug, 2024
- Generic1,229 claims79%
- Brand-name313 claims20%
- Other13 claims1%
Dr. Win'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. Win's Part D claims, 2024
- Opioids1%16 of 1,555 claims
- Antibiotics4%69 of 1,555 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: 5992024: 1,211102%
Drugs named by CMS: 36 in 2024, 22 in 2023.
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. Lei Thandar Win offers telehealth to Medicare patients
Dr. Win accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Win as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Lei Thandar Win has 1 publication on record
Dmand AI links 1 paper to Dr. Win in 2013.
Recent publications by Dr. Win
See who Dr. Win researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Win works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Lei Thandar Win received $1,439 in industry payments from 2017 to 2025
CMS Open Payments shows 46 general payments to Dr. Win from 13 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 60% of the total. GastroKlenz, Inc. DBA CloudCath paid the most, $400.
General payments to Dr. Win by program year, 2017 to 2025
General payments to Dr. Win by kind, 2017 to 2025
- Food and beverage$86660%
- Honoraria$40028%
- Education$17312%
Companies that paid Dr. Win the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lei Thandar Win graduated from University Institute of Medicine 1
Dr. Win graduated from University Institute of Medicine 1 in 2009.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Lei Thandar Win accepts plans from 9 insurance carriers
Dr. Win is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
- Humana
- Molina
- +1 more carriersWith a free account
Plan types Dr. Win accepts, by number of carriers
- Medicare7
- PPO5
- HMO3
- POS2
- EPO1
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Lei Thandar Win'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Lei Thandar Win
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. Lei Thandar Win's NPI number?
Dr. Lei Thandar Win's NPI number is 1124436001. It was assigned on July 23, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Lei Thandar Win?
Dr. Lei Thandar Win is an internist in Los Alamitos, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lei Thandar Win practice?
Dr. Win practices at 10941 Bloomfield St, Suite C, Los Alamitos, CA 90720. Dr. Win's primary practice is U.S. Renal Care Orange County Home in Los Alamitos, California. Dmand AI also links Dr. Win to 3 hospitals, 5 medical groups, 3 dialysis centers and 2 group practices and clinics.
What is Dr. Lei Thandar Win's office phone number?
The practice phone on file for Dr. Win is (562) 228-1410.
What is Dr. Lei Thandar Win's medical license number?
Dr. Win holds California license A145310.
Which hospitals is Dr. Lei Thandar Win affiliated with?
Dr. Win is affiliated with UCI Health - Orange. Dmand AI links Dr. Win to 3 more hospitals.
What medical group is Dr. Lei Thandar Win part of?
Dr. Win is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Win to 5 more medical groups.
Does Dr. Lei Thandar Win accept Medicare?
Yes. CMS data shows Dr. Win billed Medicare for 1,123 services in 2024, and Dr. Win accepts Medicare assignment.
Does Dr. Lei Thandar Win offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Win as offering telehealth services.
How many Medicare patients does Dr. Lei Thandar Win see?
CMS counts 255 Medicare patients who saw Dr. Win in 2024, with an average age of 73.
Show 8 more questionsShow fewer questions
Is Dr. Lei Thandar Win board certified?
Yes. Dr. Win is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Lei Thandar Win bill to Medicare?
In 2024, Dr. Win's most billed Medicare services were hospital inpatient care (99232), dialysis (90960) and office visit, established patient (99214).
Where did Dr. Lei Thandar Win go to medical school?
Dr. Win graduated from University Institute of Medicine 1 in 2009.
What drugs does Dr. Lei Thandar Win prescribe most?
In 2024 Medicare Part D data, Dr. Win's most prescribed drugs by claims were Furosemide, Losartan Potassium and Amlodipine Besylate.
Has Dr. Lei Thandar Win received payments from drug or device companies?
CMS Open Payments shows $1,439 in general payments to Dr. Win from 13 companies from 2017 to 2025. The largest total came from GastroKlenz, Inc. DBA CloudCath.
How long has Dr. Lei Thandar Win been practicing?
Dr. Win graduated from medical school in 2009, 17 years ago.
Does Dr. Lei Thandar Win do research?
Dmand AI links 1 publication to Dr. Win.
What insurance does Dr. Lei Thandar Win accept?
Dr. Win is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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