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MARK LEE M.D., INC.
NPI 1568587236
Specialist in Whittier, CA

Active since March 20, 2007
11147 WASHINGTON BLVD., WHITTIER, CA 90606(562) 695-6988(562) 692-2093 Get Directions Write a Review

NPPES record last updated: January 12, 2009. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Mark Lee M.d., Inc. NPPES

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

MARK LEE M.D., INC. (NPI 1568587236) is a healthcare organization registered as a specialist in Whittier, California and active in the NPI registry since March 2007. The organization lists Mark Chun-liang Lee, Ceo, as its authorized official.

NPPES Registry Identity

NPI1568587236
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameMARK LEE M.D., INC.
Location Address11147 WASHINGTON BLVD.Whittier, CA 90606-3007
Mailing AddressPo Box 6265Whittier, CA 90609-6265 · (562) 695-6988 · Fax (562) 692-2093
Phone(562) 695-6988
Fax(562) 692-2093
Organization SubpartNo
Authorized OfficialMark Chun-liang LeeCeo · (562) 695-6988
Enumeration DateMarch 20, 2007
Last NPPES UpdateJanuary 12, 2009
✔ NPI 1568587236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A68664
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
11147 WASHINGTON BLVD., Whittier, CA 90606
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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 MULTIPLE 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)

Mark Lee M.d., Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Mark Lee M.D., Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Mark Lee, MD
Nephrology
NPI 1558322479
11147 WASHINGTON BLVD
Whittier, CA 90606
(562) 695-6988
✔ PECOSSame address
Nazia Siddiqi, M.D.
Nephrology
NPI 1578879755
790 E BONITA AVE
Pomona, CA 91767
(909) 447-8585
✔ PECOS✔ Accepts Medicare21 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 Mark Lee M.D., Inc.'s NPI number?

The NPI number for Mark Lee M.D., Inc. is 1568587236. It was assigned to this organization in the NPPES registry on March 20, 2007.

Where is Mark Lee M.D., Inc. located?

Mark Lee M.D., Inc. is located at 11147 Washington Blvd., Whittier, CA 90606. The listed phone number is (562) 695-6988.

What is Mark Lee M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Mark Lee M.D., Inc. enrolled in Medicare?

Yes. Mark Lee M.D., Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Mark Lee M.D., Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Nephrology, reassign their Medicare billing to Mark Lee M.D., 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Mark Lee M.D., Inc. was last updated on January 12, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.