What is Stephen Loos's NPI number?

Stephen Loos's National Provider Identifier (NPI) is 1336171107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephen Loos's specialty?

Stephen Loos is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).

Where is Stephen Loos located?

Stephen Loos's practice location on file with NPPES is 2874 N Carson St Ste 300, Carson City, NV 89706-1683.

What is Stephen Loos's phone number?

The practice phone number listed in the NPPES registry for Stephen Loos is (775) 888-1180.

Does Stephen Loos accept Medicare?

Stephen Loos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Stephen Loos's NPI active?

Yes — Stephen Loos's NPI (1336171107) is active in the NPPES registry as of the last update on 2017-12-18.

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Stephen Loos, MD

NPI 1336171107 · Diagnostic Radiology Physician · Carson City, NV

Stephen Loos, MD is a Diagnostic Radiology Physician provider in Carson City, NV (NPI 1336171107).

Provider details

NPI number: 1336171107
Entity type: Individual
Primary specialty: Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: G87406 (CA)

Practice location

2874 N Carson St Ste 300

Carson City, NV 89706-1683

Phone: (775) 888-1180

Fax: (775) 852-6902

Street-level locationGet directions

More NV providers

Mailing address

Po Box 2087

Carson City, NV 89702-2087

Specialties & taxonomies

Diagnostic Radiology PhysicianPrimary2085R0202XLicense 10110 (NV)
Allopathic & Osteopathic Physicians
Diagnostic Radiology Physician2085R0202XLicense G87406 (CA)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(94/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure25% of score
20 yrs in NPPES registry
Profile completeness25% of score
100% of core fields populated
Practice footprint15% of score
1 documented practice location
Medicare service volume (vs. specialty peers)25% of score
6,862 Medicare services, 2024 (ranked within specialty)
Open Payments transparency10% of score
Has Open Payments disclosures (2024)

Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

What this provider does (Medicare)

Based on Medicare fee-for-service claims, 2024; not all care is captured.

Service (HCPCS)	Medicare services	Typical Medicare-allowed (2024)
Screening Mammography77067	664	$35
Screening 3d Breast Mammography77063	661	$27
X-Ray of Chest, 1 View71045	524	$8
Ct Scan of Abdomen and Pelvis With Contrast74177	238	$83
Ct Scan of Chest Without Contrast71250	221	$49
Ct Scan Head Or Brain Without Contrast70450	217	$38

Transparency — industry payments

Based on CMS Open Payments, 2024; not all care is captured.

$17 across 1 record (Open Payments 2024)

Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.

Enumerated: 2006-07-06
Last updated: 2017-12-18

Frequently asked questions

What is Stephen Loos's NPI number?: Stephen Loos's National Provider Identifier (NPI) is 1336171107, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Stephen Loos's specialty?: Stephen Loos is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
Where is Stephen Loos located?: Stephen Loos's practice location on file with NPPES is 2874 N Carson St Ste 300, Carson City, NV 89706-1683.
What is Stephen Loos's phone number?: The practice phone number listed in the NPPES registry for Stephen Loos is (775) 888-1180.
Does Stephen Loos accept Medicare?: Stephen Loos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Stephen Loos's NPI active?: Yes — Stephen Loos's NPI (1336171107) is active in the NPPES registry as of the last update on 2017-12-18.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

What this provider does (Medicare)

Transparency — industry payments

Registry dates

Frequently asked questions

Specialties & taxonomies

Frequently asked questions

Profile Score

What this provider does (Medicare)

Transparency — industry payments