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CALVIN VAN REKEN MD LTD
NPI 1407908536
Internal Medicine - Geriatric Medicine in Reno, NV

Active since January 17, 2007CLIA 29D2112624 · Microscopy
55 FOOTHILL RD, STE 1, RENO, NV 89511(775) 358-1717 Get Directions Write a Review

NPPES record last updated: May 15, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Calvin Van Reken Md Ltd NPPES

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

CALVIN VAN REKEN MD LTD (NPI 1407908536) is a healthcare organization registered as a geriatric medicine in Reno, Nevada and active in the NPI registry since January 2007. The organization holds a CLIA Microscopy certificate valid through May 2, 2028 and lists Calvin H Vanreken, President, as its authorized official.

NPPES Registry Identity

NPI1407908536
Entity TypeOrganization
Primary Taxonomy207RG0300X
Legal Business NameCALVIN VAN REKEN MD LTD
Location Address55 FOOTHILL RD, STE 1Reno, NV 89511-5404
Mailing Address55 Foothill Rd, Ste 1Reno, NV 89511-5404 · (775) 358-1717
Phone(775) 358-1717
Organization SubpartNo
Authorized OfficialCalvin H VanrekenPresident · (775) 358-1717
Enumeration DateJanuary 17, 2007
Last NPPES UpdateMay 15, 2015
✔ NPI 1407908536 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
55 FOOTHILL RD, Reno, NV 89511
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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Calvin Van Reken Md Ltd 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 Calvin Van Reken MD Ltd, which bills Medicare for the services this clinician delivers.

Clinician (1)

Calvin Vanreken, MD
Internal Medicine
NPI 1710052394
55 FOOTHILL RD STE 1
Reno, NV 89511
(775) 358-1717
✔ 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 29D2112624

Calvin Van Reken · Reno, NV
Active · expires May 2, 2028
CLIA Number29D2112624
Laboratory TypePhysician Office
Certificate Effective DateMay 3, 2026
Certificate Expiration DateMay 2, 2028
Laboratory DirectorCalvin H. Van Reken
Laboratory Phone(775) 358-1717
Laboratory LocationCalvin Van Reken55 Foothill Rd Ste 1, Reno, NV 89511
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

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 Calvin Van Reken MD Ltd's NPI number?

The NPI number for Calvin Van Reken MD Ltd is 1407908536. It was assigned to this organization in the NPPES registry on January 17, 2007.

Where is Calvin Van Reken MD Ltd located?

Calvin Van Reken MD Ltd is located at 55 Foothill Rd Ste 1, Reno, NV 89511. The listed phone number is (775) 358-1717.

What is Calvin Van Reken MD Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Is Calvin Van Reken MD Ltd enrolled in Medicare?

Yes. Calvin Van Reken MD Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Calvin Van Reken MD Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Calvin Van Reken MD 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Calvin Van Reken MD Ltd hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 29D2112624) is associated with this NPI, valid through May 2, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Calvin Van Reken MD Ltd accept?

Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Calvin Van Reken MD Ltd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Calvin Van Reken MD Ltd was last updated on May 15, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.