BILLINGS CLINIC ENDOCRINOLOGY
NPI 1124310537
Internal Medicine - Endocrinology, Diabetes & Metabolism in Billings, MT

Active since May 04, 2011
1045 N 30TH ST, BILLINGS, MT 59101(406) 238-2500 Get Directions Write a Review

NPPES record last updated: January 31, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 31, 2023, Nov 17, 2021 (2 updates tracked since 2021).

About Billings Clinic Endocrinology NPPES

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

BILLINGS CLINIC ENDOCRINOLOGY (NPI 1124310537) is a healthcare organization registered as an endocrinology, diabetes & metabolism in Billings, Montana and active in the NPI registry since May 2011. The organization lists Kathleen Rossie Quinones, Cfo, as its authorized official.

NPPES Registry Identity

NPI1124310537
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameBILLINGS CLINIC
Location Address1045 N 30TH STBillings, MT 59101-0733
Mailing AddressPo Box 35100Billings, MT 59107-5100 · (406) 238-2500
Organization SubpartNo
Authorized OfficialKathleen Rossie QuinonesCfo · (406) 435-6445
Enumeration DateMay 4, 2011
Last NPPES UpdateJanuary 31, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 31, 2023
✔ NPI 1124310537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
License✔ Licensed in MT · 12191
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.
Also ListedNutritionistTaxonomy 133N00000X · License 12191 (MT)
Also ListedDietitian, RegisteredTaxonomy 133V00000X · License 12191 (MT)
1045 N 30TH ST, Billings, MT 59101

Other Names 1

Doing Business AsBillings Clinic Endocrinology

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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)

Billings Clinic Endocrinology is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

1,260

Medicare enrollment records show 1,260 clinicians reassign Medicare billing to Billings Clinic Endocrinology, which bills Medicare for the services they deliver. Of these, 7 practice at this address and 435 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 61

Anesthesiology165
Nurse Practitioner144
Pediatric Medicine82
Certified Registered Nurse Anesthetist (CRNA)57
Neurology54
Family Practice53
Hospitalist51
Cardiovascular Disease (Cardiology)50
53 other specialties604

Nearest to this location (20)

See all 1,260
Endocrinology
NPI 1659923712
1045 N 30TH ST
Billings, MT 59101
(406) 238-2500
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1346689544
1045 N 30TH ST
Billings, MT 59101
(406) 238-2500
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1376105692
1045 N 30TH ST
Billings, MT 59101
(406) 238-2500
✔ PECOS✔ Accepts MedicareSame address
Clinical Social Worker
NPI 1992167175
1045 N 30TH ST
Billings, MT 59101
(406) 657-3988
✔ PECOS✔ Accepts MedicareSame address
Endocrinology
NPI 1902882673
1045 N 30TH ST DEPARTMENT OF DIABETES AND ENDOCRINOLOGY
Billings, MT 59101
(406) 238-2500
✔ PECOSSame address
Registered Dietitian or Nutrition Professional
NPI 1124795562
1045 N 30TH ST
Billings, MT 59101
(406) 435-2546
Same address
Internal Medicine
NPI 1972544617
1045 N 30TH ST
Billings, MT 59101
(406) 238-2500
✔ PECOS✔ Accepts MedicareSame address
Certified Registered Nurse Anesthetist (CRNA)
NPI 1033165022
940 N 30TH ST
Billings, MT 59101
(406) 248-7186
✔ Accepts Medicare0.1 mi
Diagnostic Radiology
NPI 1912943978
2900 12TH AVE N SUITE 210W
Billings, MT 59101
(406) 237-5862
✔ PECOS✔ Accepts Medicare0.1 mi
Anesthesiology
NPI 1760684385
2900 12TH AVE N SUITE 205W
Billings, MT 59101
(406) 254-0707
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1073244596
2900 12TH AVE N STE 500E
Billings, MT 59101
(406) 238-6804
✔ PECOS✔ Accepts Medicare0.1 mi
Cardiovascular Disease (Cardiology)
NPI 1780638148
2900 12TH AVE N #204E
Billings, MT 59101
(406) 237-5001
✔ PECOS✔ Accepts Medicare0.2 mi
Physical Therapist in Private Practice
NPI 1972796258
2900 12TH AVE N STE 140W
Billings, MT 59101
(406) 237-5050
✔ Accepts Medicare0.2 mi
Psychiatry
NPI 1689168262
2950 10TH AVE N
Billings, MT 59101
(406) 238-2500
✔ PECOS✔ Accepts Medicare0.2 mi
Mental Health Counselor
NPI 1194495804
1020 N 27TH ST STE 310
Billings, MT 59101
(406) 435-8481
✔ PECOS0.2 mi
Clinical Psychologist
NPI 1699081257
1020 N 27TH ST
Billings, MT 59101
(406) 255-8550
✔ PECOS✔ Accepts Medicare0.2 mi
Internal Medicine
NPI 1083240998
1020 N 27TH ST
Billings, MT 59101
(406) 381-3637
✔ PECOS✔ Accepts Medicare0.2 mi
Pediatric Medicine
NPI 1134178072
2800 10TH AVE N
Billings, MT 59101
(406) 238-2500
✔ PECOS0.2 mi
Dermatology
NPI 1164884185
2800 10TH AVE N
Billings, MT 59101
(406) 238-2500
✔ PECOS✔ Accepts Medicare0.2 mi
Hospitalist
NPI 1366887176
2800 10TH AVE N
Billings, MT 59101
(406) 238-2500
✔ PECOS✔ Accepts Medicare0.2 mi
See all 1,260 clinicians

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 Billings Clinic's NPI number?

The NPI number for Billings Clinic is 1124310537. It was assigned to this organization in the NPPES registry on May 4, 2011. The provider is doing business as Billings Clinic Endocrinology.

Where is Billings Clinic located?

Billings Clinic is located at 1045 N 30th St, Billings, MT 59101. The listed phone number is (406) 238-2500.

What is Billings Clinic's specialty?

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

Is Billings Clinic enrolled in Medicare?

Yes. Billings Clinic is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Billings Clinic?

According to the CMS Revalidation Reassignment List (October 2026 release), 1,260 clinicians in 61 Medicare specialties reassign their Medicare billing to Billings Clinic. 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. The largest specialties are Anesthesiology (165), Nurse Practitioner (144) and Pediatric Medicine (82). Of these, 7 practice at this address and 435 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 Billings Clinic was last updated on January 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.