ADAM SUN NEPHROLOGY MEDICAL GROUP INC
NPI 1952704140
Internal Medicine - Nephrology in Monterey Park, CA

Q: What is Adam Sun Nephrology Medical Group Inc's specialty?

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

Active since October 01, 2014

500 N GARFIELD AVE, SUITE 306, MONTEREY PARK, CA 91754(626) 572-0660(626) 572-0860 Get Directions Write a Review

NPPES record last updated: October 1, 2014. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Adam Sun Nephrology Medical Group Inc NPPES

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

ADAM SUN NEPHROLOGY MEDICAL GROUP INC (NPI 1952704140) is a healthcare organization registered as a nephrology in Monterey Park, California and active in the NPI registry since October 2014. The organization lists Adam M. Sun, President, as its authorized official.

NPPES Registry Identity

NPI1952704140

Entity TypeOrganization

Primary Taxonomy207RN0300X

Legal Business NameADAM SUN NEPHROLOGY MEDICAL GROUP INC

Location Address500 N GARFIELD AVE, SUITE 306Monterey Park, CA 91754-1242

Mailing Address500 N Garfield Ave, Suite 306Monterey Park, CA 91754-1242 · (626) 572-0660 · Fax (626) 572-0860

Phone(626) 572-0660

Fax(626) 572-0860

Organization SubpartNo

Authorized OfficialAdam M. SunPresident · (626) 572-0660

Enumeration DateOctober 1, 2014

✔ NPI 1952704140 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.

500 N GARFIELD AVE, Monterey Park, CA 91754

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Group Practice 1

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)

Adam Sun Nephrology Medical Group Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Adam Sun Nephrology Medical Group Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Adam Sun, MD

Nephrology

NPI 1497712715

500 N GARFIELD AVE STE 306
Monterey Park, CA 91754

(626) 572-0660

✔ PECOS✔ Accepts MedicareSame address

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 Adam Sun Nephrology Medical Group Inc's NPI number?

The NPI number for Adam Sun Nephrology Medical Group Inc is 1952704140. It was assigned to this organization in the NPPES registry on October 1, 2014.

Where is Adam Sun Nephrology Medical Group Inc located?

Adam Sun Nephrology Medical Group Inc is located at 500 N Garfield Ave Suite 306, Monterey Park, CA 91754. The listed phone number is (626) 572-0660.

What is Adam Sun Nephrology Medical Group Inc's specialty?

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

Is Adam Sun Nephrology Medical Group Inc enrolled in Medicare?

Yes. Adam Sun Nephrology Medical Group Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Adam Sun Nephrology Medical Group Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to Adam Sun 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Adam Sun Nephrology Medical Group Inc was last updated on October 1, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.