DR. DONALD WARREN INADOMI M.D.
NPI 1154429314
Internal Medicine - Nephrology in Torrance, CA

Active since September 20, 2006Opted out of Medicare · through Jan 1, 2028
20911 EARL ST, SUITE 320, TORRANCE, CA 90503(310) 542-7997 Get Directions Write a Review

NPPES record last updated: October 2, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Donald Warren Inadomi M.d. NPPES

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

DR. DONALD WARREN INADOMI M.D. (NPI 1154429314) is an individual nephrology provider in Torrance, California, licensed in California (G42789) and active in the NPI registry since September 2006. He has opted out of Medicare through January 1, 2028 and remains eligible to order and refer.

NPPES Registry Identity

NPI1154429314
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameDR. DONALD WARREN INADOMICredential: M.D.
Location Address20911 EARL ST, SUITE 320Torrance, CA 90503-4352
Mailing Address20911 Earl St, Suite 320Torrance, CA 90503-4352 · (310) 542-7997
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateOctober 2, 2007
NPI 1154429314 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License Licensed in CA · G42789
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.
20911 EARL ST, Torrance, CA 90503

Other Identifiers 3

Medicare UPINA49117CA
Medicaid00G427891CA
Medicare PING42789CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Dr. Donald Warren Inadomi M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2018 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2018
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90503 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.

Referred Medical Equipment & Supplies CMS DME claims

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
4 suppliers21 claims33 services$6.76 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 20

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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
20911 EARL ST, SUITE 340
TORRANCE, CA 90503
Internal Medicine (Cardiovascular Disease)
20911 EARL ST, 200
TORRANCE, CA 90503
Internal Medicine (Nephrology)
20911 EARL ST, SUITE 180
TORRANCE, CA 90503
Urology (Pediatric Urology)
20911 EARL ST, SUITE 140
TORRANCE, CA 90503
Urology
20911 EARL ST, SUITE 140
TORRANCE, CA 90503
Internal Medicine (Nephrology)
20911 EARL ST, SUITE 320
TORRANCE, CA 90503
Otolaryngology
20911 EARL ST, SUITE #470
TORRANCE, CA 90503
Internal Medicine
20911 EARL ST, SUITE 440
TORRANCE, CA 90503

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donald Inadomi's NPI number?

The NPI number for Donald Inadomi is 1154429314. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Donald Inadomi located?

Donald Inadomi practices at 20911 Earl St Suite 320, Torrance, CA 90503. The listed phone number is (310) 542-7997.

What is Donald Inadomi's specialty?

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

Is Donald Inadomi enrolled in Medicare?

No. Donald Inadomi has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Donald Inadomi was last updated on October 2, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.