JOHN R. KLEIN MD, PC
NPI 1750584439
Orthopaedic Surgery - Sports Medicine in Tucson, AZ

Q: What is John R. Klein MD, PC's NPI number?

The NPI number for John R. Klein MD, PC is 1750584439. It was assigned to this organization in the NPPES registry on June 8, 2007.

Q: What is John R. Klein MD, PC's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Active since June 08, 2007

6618 E CARONDELET DR, TUCSON, AZ 85710(520) 290-0961(520) 290-0965 Get Directions Write a Review

NPPES record last updated: May 10, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About John R. Klein Md, Pc NPPES

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

JOHN R. KLEIN MD, PC (NPI 1750584439) is a healthcare organization registered as a sports medicine in Tucson, Arizona and active in the NPI registry since June 2007. The organization lists John R Klein, Owner, as its authorized official.

NPPES Registry Identity

NPI1750584439

Entity TypeOrganization

Primary Taxonomy207XX0005X

Legal Business NameJOHN R. KLEIN MD, PC

Location Address6618 E CARONDELET DRTucson, AZ 85710-2119

Mailing Address6618 E Carondelet DrTucson, AZ 85710-2119 · (520) 290-0961 · Fax (520) 290-0965

Phone(520) 290-0961

Fax(520) 290-0965

Organization SubpartNo

Authorized OfficialJohn R KleinOwner · (520) 290-0961

Enumeration DateJune 8, 2007

Last NPPES UpdateMay 10, 2021

NPPES CertifiedApril 23, 2021

✔ NPI 1750584439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic Surgery · Sports MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207XX0005X

Definition

An orthopaedic surgeon trained in sports medicine provides appropriate care for all structures of the musculoskeletal system directly affected by participation in sporting activity. This specialist is proficient in areas including conditioning, training and fitness, athletic performance and the impact of dietary supplements, pharmaceuticals, and nutrition on performance and health, coordination of care within the team setting utilizing other health care professionals, field evaluation and management, soft tissue biomechanics and injury healing and repair. Knowledge and understanding of the principles and techniques of rehabilitation, athletic equipment and orthotic devices enables the specialist to prevent and manage athletic injuries.

6618 E CARONDELET DR, Tucson, AZ 85710

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Other Identifiers 1

Medicaid835225AZ

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)

John R. Klein Md, Pc 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 John R. Klein MD, PC, which bills Medicare for the services this clinician delivers.

Clinician (1)

John Klein, MD

Orthopedic Surgery

NPI 1508842881

6618 E CARONDELET DR
Tucson, AZ 85710

(520) 290-0961

✔ 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 John R. Klein MD, PC's NPI number?

The NPI number for John R. Klein MD, PC is 1750584439. It was assigned to this organization in the NPPES registry on June 8, 2007.

Where is John R. Klein MD, PC located?

John R. Klein MD, PC is located at 6618 E Carondelet Dr, Tucson, AZ 85710. The listed phone number is (520) 290-0961.

What is John R. Klein MD, PC's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery, specializing in Sports Medicine, with taxonomy code 207XX0005X.

Is John R. Klein MD, PC enrolled in Medicare?

Yes. John R. Klein MD, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through John R. Klein MD, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Orthopedic Surgery) reassigns their Medicare billing to John R. Klein MD, PC. 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 John R. Klein MD, PC was last updated on May 10, 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.