ENDOCRINE ASSOCIATES
NPI 1215135397
Internal Medicine - Endocrinology, Diabetes & Metabolism in Reno, NV

Active since July 10, 2007
540 W PLUMB LN, SUITE 2A, RENO, NV 89509(775) 348-1811(775) 348-7139 Get Directions Write a Review

NPPES record last updated: July 10, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Endocrine Associates NPPES

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

ENDOCRINE ASSOCIATES (NPI 1215135397) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Reno, Nevada and active in the NPI registry since July 2007. The organization lists Nancy Fleming, Practice Manager, as its authorized official.

NPPES Registry Identity

NPI1215135397
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameROBERT S FREDERICKS MD LTD
Location Address540 W PLUMB LN, SUITE 2AReno, NV 89509-3666
Mailing Address540 W Plumb Ln, Suite 2aReno, NV 89509-3666 · (775) 348-1811 · Fax (775) 348-7139
Fax(775) 348-7139
Organization SubpartNo
Authorized OfficialNancy FlemingPractice Manager · (775) 348-1811
Enumeration DateJuly 10, 2007
✔ NPI 1215135397 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
540 W PLUMB LN, Reno, NV 89509

Other Names 1

Doing Business AsEndocrine Associates

Other Identifiers 1

Medicare PINVWCHGQ

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)

Endocrine Associates 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 Endocrine Associates, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Endocrinology
NPI 1336156546
540 W PLUMB LN SUITE 2A
Reno, NV 89509
(775) 348-1811
✔ PECOS✔ Accepts Medicare1.1 mi
Endocrinology
NPI 1558378778
5605 RIGGINS CT SUITE 206
Reno, NV 89502
(775) 287-2625
✔ PECOS✔ Accepts Medicare2.6 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 Robert S Fredericks MD Ltd's NPI number?

The NPI number for Robert S Fredericks MD Ltd is 1215135397. It was assigned to this organization in the NPPES registry on July 10, 2007. The provider is doing business as Endocrine Associates.

Where is Robert S Fredericks MD Ltd located?

Robert S Fredericks MD Ltd is located at 540 W Plumb Ln Suite 2A, Reno, NV 89509. The listed phone number is (775) 348-1811.

What is Robert S Fredericks MD Ltd's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Is Robert S Fredericks MD Ltd enrolled in Medicare?

Yes. Robert S Fredericks MD Ltd is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Robert S Fredericks MD Ltd?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Endocrinology, reassign their Medicare billing to Robert S Fredericks 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. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Robert S Fredericks MD Ltd was last updated on July 10, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.