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JOSEPH L. CHATHAM, M.D. LTD
NPI 1477691483
Specialist in Mesa, AZ

Active since February 02, 2007
221 S POWER RD, SUITE 101, MESA, AZ 85206(480) 981-2010(480) 981-1771 Get Directions Write a Review

NPPES record last updated: October 5, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Joseph L. Chatham, M.d. Ltd NPPES

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

JOSEPH L. CHATHAM, M.D. LTD (NPI 1477691483) is a healthcare organization registered as a specialist in Mesa, Arizona and active in the NPI registry since February 2007. The organization lists Joseph L Chatham, President, as its authorized official.

NPPES Registry Identity

NPI1477691483
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameJOSEPH L. CHATHAM, M.D. LTD
Location Address221 S POWER RD, SUITE 101Mesa, AZ 85206-5205
Mailing Address221 S Power Rd, Suite 101Mesa, AZ 85206-5205 · (480) 981-2010 · Fax (480) 981-1771
Phone(480) 981-2010
Fax(480) 981-1771
Organization SubpartNo
Authorized OfficialJoseph L ChathamPresident · (480) 981-2010
Enumeration DateFebruary 2, 2007
Last NPPES UpdateOctober 5, 2012
✔ NPI 1477691483 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in AZ · 15177
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.
221 S POWER RD, Mesa, AZ 85206
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Other Identifiers 3

MedicaidF02490AZ
Medicare ID-Type Unspecified74578AZ
Medicare ID-Type UnspecifiedDD0737AZ · Railroad Medicare

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)

Joseph L. Chatham, M.d. Ltd 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 Joseph L. Chatham, M.D. Ltd, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Joseph Chatham, MD
Cardiovascular Disease (Cardiology)
NPI 1417973496
221 S POWER RD SUITE 101
Mesa, AZ 85206
(480) 981-2010
✔ PECOS✔ Accepts MedicareSame address
Neil Kramer, M.D.
Cardiovascular Disease (Cardiology)
NPI 1316918535
6711 E CAMELBACK RD UNIT 27
Scottsdale, AZ 85251
(480) 760-5066
✔ PECOS✔ Accepts Medicare16 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 Joseph L. Chatham, M.D. Ltd's NPI number?

The NPI number for Joseph L. Chatham, M.D. Ltd is 1477691483. It was assigned to this organization in the NPPES registry on February 2, 2007.

Where is Joseph L. Chatham, M.D. Ltd located?

Joseph L. Chatham, M.D. Ltd is located at 221 S Power Rd Suite 101, Mesa, AZ 85206. The listed phone number is (480) 981-2010.

What is Joseph L. Chatham, M.D. Ltd's specialty?

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

Is Joseph L. Chatham, M.D. Ltd enrolled in Medicare?

Yes. Joseph L. Chatham, M.D. Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Joseph L. Chatham, M.D. Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Cardiovascular Disease (Cardiology), reassign their Medicare billing to Joseph L. Chatham, M.D. Ltd. 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 Joseph L. Chatham, M.D. Ltd was last updated on October 5, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.