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WHITTIER INTERNAL MEDICINE AND NEPHROLOGY MEDICAL GROUP INC
NPI 1659485589
Internal Medicine - Nephrology in Whittier, CA

Active since August 18, 2006
12462 PUTNAM ST STE 506, WHITTIER, CA 90602(562) 698-8141(562) 698-9885 Get Directions Write a Review

NPPES record last updated: January 6, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 6, 2021, Feb 25, 2020, May 17, 2017 (3 updates tracked since 2017).

About Whittier Internal Medicine And Nephrology Medical Group Inc NPPES

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

WHITTIER INTERNAL MEDICINE AND NEPHROLOGY MEDICAL GROUP INC (NPI 1659485589) is a healthcare organization registered as a nephrology in Whittier, California and active in the NPI registry since August 2006. The organization maintains a secondary practice location in Whittier and lists Kevin Huang, Treasurer, as its authorized official.

NPPES Registry Identity

NPI1659485589
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameWHITTIER INTERNAL MEDICINE AND NEPHROLOGY MEDICAL GROUP INC
Location Address12462 PUTNAM ST STE 506Whittier, CA 90602-1049
Mailing AddressP.o. Box 4249Whittier, CA 90607-4249 · (562) 698-8141 · Fax (562) 698-9885
Phone(562) 698-8141
Fax(562) 698-9885
Organization SubpartNo
Authorized OfficialKevin HuangTreasurer · (562) 698-8141
Enumeration DateAugust 18, 2006
Last NPPES UpdateJanuary 6, 20213 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2021
✔ NPI 1659485589 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
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
12462 PUTNAM ST STE 506, Whittier, CA 90602
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Secondary Practice Location 1

Location 114350 Whittier Blvd Ste 101Whittier, CA 90605-2164 · Phone (562) 907-7616 · Fax (562) 907-7615

Group Practice 2

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP
Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Whittier Internal Medicine And Nephrology Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

10

Medicare enrollment records show 10 clinicians reassign Medicare billing to Whittier Internal Medicine And Nephrology Medical Group Inc, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 10 within 10 miles. They are listed nearest first.

Clinicians by Medicare Specialty 3

Nephrology8
Internal Medicine1
Nurse Practitioner1

Clinicians, nearest first (10)

Riad Darwish, M.D.
Nephrology
NPI 1366459208
12462 PUTNAM ST. SUITE 506
Whittier, CA 90602
(562) 698-8141
✔ PECOSSame address
Kevin Huang, M.D.
Nephrology
NPI 1275540114
12462 PUTNAM ST. SUITE 506
Whittier, CA 90602
(562) 698-8141
✔ PECOS✔ Accepts MedicareSame address
Jennifer Imparato, DO
Nephrology
NPI 1770786469
12462 PUTNAM ST. SUITE 506
Whittier, CA 90602
(562) 698-8141
✔ PECOS✔ Accepts MedicareSame address
Grace Lin, M.D.
Nephrology
NPI 1114167178
12462 PUTNAM ST STE 506
Whittier, CA 90602
(626) 988-1415
✔ PECOS✔ Accepts MedicareSame address
Shahriare Nasser-Moaddeli, M.D.
Nephrology
NPI 1902811391
12462 PUTNAM ST. SUITE 506
Whittier, CA 90602
(562) 698-8141
✔ PECOS✔ Accepts MedicareSame address
Jayakumar Vidhun, M.D.
Nephrology
NPI 1275685638
12462 PUTNAM ST. SUITE 506
Whittier, CA 90602
(562) 698-8141
✔ PECOS✔ Accepts MedicareSame address
Laleh Boroujerdi-Rad, M.D.
Nephrology
NPI 1245474378
14350 WHITTIER BLVD STE 101
Whittier, CA 90605
(562) 907-7616
✔ PECOS✔ Accepts Medicare1.9 mi
Hassan Boroujerdi-Rad, MD
Nephrology
NPI 1205814837
14350 EAST WHITTIER BLVD, 101
Whittier, CA 90605
(562) 907-7616
✔ PECOS✔ Accepts Medicare1.9 mi
Min-O Chuang, N.P.
Nurse Practitioner
NPI 1902183809
925 S GARFIELD AVE
Alhambra, CA 91801
(626) 282-0282
✔ PECOS9.0 mi
Priyanka Gogte, MD
Internal Medicine
NPI 1518453422
3300 E SOUTH ST STE 308
Lakewood, CA 90805
(562) 630-3111
✔ PECOS✔ Accepts Medicare9.8 mi

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

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 Whittier Internal Medicine And Nephrology Medical Group Inc's NPI number?

The NPI number for Whittier Internal Medicine And Nephrology Medical Group Inc is 1659485589. It was assigned to this organization in the NPPES registry on August 18, 2006.

Where is Whittier Internal Medicine And Nephrology Medical Group Inc located?

Whittier Internal Medicine And Nephrology Medical Group Inc is located at 12462 Putnam St Ste 506, Whittier, CA 90602. The listed phone number is (562) 698-8141.

What is Whittier Internal Medicine And Nephrology Medical Group Inc's specialty?

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

Is Whittier Internal Medicine And Nephrology Medical Group Inc enrolled in Medicare?

Yes. Whittier Internal Medicine And Nephrology Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Whittier Internal Medicine And Nephrology Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 10 clinicians in 3 Medicare specialties reassign their Medicare billing to Whittier Internal Medicine And Nephrology Medical Group Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nephrology (8), Internal Medicine (1) and Nurse Practitioner (1). Of these, 6 practice at this address and 10 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Whittier Internal Medicine And Nephrology Medical Group Inc was last updated on January 6, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.