LEI THANDAR WIN M.D
NPI 1124436001
Internal Medicine - Nephrology in Long Beach, CA

Q: What is Lei Win's NPI number?

The NPI number for Lei Win is 1124436001. It was assigned to this individual provider in the NPPES registry on July 23, 2014.

Q: What is Lei Win's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Q: When was this NPI record last updated?

The NPPES record for Lei Win was last updated on April 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 23, 2014PECOS EnrolledAccepts Medicare Assignment

3780 KILROY AIRPORT WAY STE 115, LONG BEACH, CA 90806(650) 303-1246 Get Directions Write a Review

NPPES record last updated: April 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 18, 2026, Jul 21, 2022, May 5, 2022 and 2 more (5 updates tracked since 2017).

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About Lei Thandar Win M.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEI THANDAR WIN M.D (NPI 1124436001) is an individual nephrology provider in Long Beach, California, licensed in California (A145310) and active in the NPI registry since July 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1124436001

Entity TypeIndividualFemale

Primary Taxonomy207RN0300X

Provider Legal NameLEI THANDAR WINCredential: M.D

Location Address3780 KILROY AIRPORT WAY STE 115Long Beach, CA 90806-2458

Mailing Address3780 Kilroy Airport Way # 115Long Beach, CA 90806-2457 · (562) 595-7426

Phone(650) 303-1246

Sole ProprietorYes

Medical School CMSOtherGraduated 2007

Enumeration DateJuly 23, 2014

Last NPPES UpdateApril 18, 20265 updates tracked since enumeration

NPPES CertifiedApril 18, 2026

✔ NPI 1124436001 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians

Taxonomy Code207RN0300X

License✔ Licensed in CA · A145310

Definition

An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Also ListedInternal MedicineTaxonomy 207R00000X · License A145310 (CA)

3780 KILROY AIRPORT WAY STE 115, Long Beach, CA 90806

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lei Thandar Win M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2961771662

PECOS Enrollment IDI20170712002292

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Lei Win reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Coast Nephrology Medical Group Inc.

Same address

Nephrology

3780 KILROY AIRPORT WAY, STE 115
Long Beach, CA 90806

Reassigned Medicare billing, California enrollment
8 clinicians in this Medicare group

NPI 1053317826 (562) 595-7426

Centers For Family Medicine Gp

4.2 mi

Family Medicine

3460 KATELLA AVE
Los Alamitos, CA 90720

Reassigned Medicare billing, California enrollment
228 clinicians in this Medicare group

NPI 1467598243 (562) 594-6599

Healthcare Partners Affiliates Medical Group

18 mi

Internal Medicine

1120 W WASHINGTON BLVD
Los Angeles, CA 90015

Reassigned Medicare billing, California enrollment
2,052 clinicians in this Medicare group

NPI 1659312593 (213) 623-2225

Saddleback Medical Group Inc

29 mi

Gastroenterology

24221 CALLE DE LA LOUISA, SUITE 400
Laguna Hills, CA 92653

Reassigned Medicare billing, California enrollment
86 clinicians in this Medicare group

NPI 1386605822 (949) 465-8155

Pinnacle Medical Group, Inc

46 mi

Family Medicine

8110 MANGO AVE
Fontana, CA 92335

Reassigned Medicare billing, California enrollment
149 clinicians in this Medicare group

NPI 1376876912 (909) 427-1303

Beaver Medical Group P C

57 mi

Family Medicine

2 WEST FERN AVENUE
Redlands, CA 92373

Reassigned Medicare billing, California enrollment
635 clinicians in this Medicare group

NPI 1649503319 (909) 793-3311

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

661 services146 patients

Dialysis services, 4 or more physician visits per month (20 years or older) 90960

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

124 services34 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

92 services44 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

80 services66 patients

Dialysis services, 2-3 physician visits per month (20 years or older) 90961

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

62 services38 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

47 services25 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90806 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Care Plan

Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…

90%154 patients4/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tacrolimus, immediate release, oral, 1 mg J7507

Treatment-Treatment - Miscellaneous · category RX029N

3 suppliers50 claims5,259 services$0.28 avg. paid by Medicare

Prednisone, immediate release or delayed release, oral, 1 mg J7512

Treatment-Treatment - Miscellaneous · category RX029N

2 suppliers26 claims3,900 services$0.01 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511

Treatment-Chemotherapy · category RH012N

3 suppliers35 claims35 services$16.22 avg. paid by Medicare

Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512

Treatment-Chemotherapy · category RH012N

3 suppliers64 claims77 services$10.49 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ALAN I ERLBAUM M.D.

Internal Medicine (Nephrology)