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RIAD Y. DARWISH M.D.
NPI 1366459208
Internal Medicine - Nephrology in Whittier, CA

Active since August 02, 2006PECOS Enrolled
12462 PUTNAM ST., SUITE 506, WHITTIER, CA 90602(562) 698-8141(562) 698-9885 Get Directions Write a Review

NPPES record last updated: May 17, 2017. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Riad Y. Darwish M.d. NPPES

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

RIAD Y. DARWISH M.D. (NPI 1366459208) is an individual nephrology provider in Whittier, California, licensed in California (A36607) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366459208
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameRIAD Y. DARWISHCredential: M.D.
Location Address12462 PUTNAM ST., SUITE 506Whittier, CA 90602-1002
Mailing AddressPo Box 4249Whittier, CA 90607-4249 · (562) 698-8141 · Fax (562) 698-9885
Phone(562) 698-8141
Fax(562) 698-9885
Sole ProprietorNo
Enumeration DateAugust 2, 2006
Last NPPES UpdateMay 17, 2017
✔ NPI 1366459208 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 · A36607
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 A36607 (CA)
12462 PUTNAM ST., Whittier, CA 90602
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Other Identifiers 3

Medicare UPINA28139CA
Medicare PINWA36607ACA
Medicare UPINA28139

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riad Y. Darwish M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Areas of Expertise CMS Part B claims 2

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.

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.
174 services65 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
27 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90602 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.

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
1 supplier11 claims11 services$12.55 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.

KEVIN T. HUANG M.D.
Internal Medicine (Nephrology)
12462 PUTNAM ST., SUITE 506
WHITTIER, CA 90602
Los Angeles County (562) 698-8141
JAYAKUMAR RAVICHANDRAN VIDHUN M.D.
Internal Medicine (Nephrology)
12462 PUTNAM ST., SUITE 506
WHITTIER, CA 90602
Los Angeles County (562) 698-8141
EDUARDO A TOVAR, M.D. A MEDICAL CORP
Thoracic Surgery (Cardiothoracic Vascular Surgery)
12462 PUTNAM ST., SUITE 200
WHITTIER, CA 90602
Los Angeles County (562) 789-5489
DR. JENNIFER MARIA IMPARATO DO
Internal Medicine (Nephrology)
12462 PUTNAM ST., SUITE 506
WHITTIER, CA 90602
Los Angeles County (562) 698-8141
SHAHRIARE NASSER-MOADDELI M.D.
Internal Medicine (Nephrology)
12462 PUTNAM ST., SUITE 506
WHITTIER, CA 90602
Los Angeles County (562) 698-8141

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 Riad Darwish's NPI number?

The NPI number for Riad Darwish is 1366459208. It was assigned to this individual provider in the NPPES registry on August 2, 2006.

Where is Riad Darwish located?

Riad Darwish practices at 12462 Putnam St. Suite 506, Whittier, CA 90602. The listed phone number is (562) 698-8141.

What is Riad Darwish's specialty?

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

Is Riad Darwish enrolled in Medicare?

Yes. Riad Darwish is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Riad Darwish was last updated on May 17, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.