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SPRING MOUNTAIN MEDICAL CENTER PLLC
NPI 1639791791
Internal Medicine in Las Vegas, NV

Active since May 12, 2020CLIA 29D2275486 · Waiver
2810 W CHARLESTON BLVD STE G64, LAS VEGAS, NV 89102(702) 899-3039 Get Directions Write a Review

NPPES record last updated: September 27, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Spring Mountain Medical Center Pllc NPPES

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

SPRING MOUNTAIN MEDICAL CENTER PLLC (NPI 1639791791) is a healthcare organization registered as an internal medicine in Las Vegas, Nevada and active in the NPI registry since May 2020. The organization holds a CLIA Waiver certificate valid through January 22, 2027 and lists Rafael Okamoto, Owner, as its authorized official.

NPPES Registry Identity

NPI1639791791
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSPRING MOUNTAIN MEDICAL CENTER PLLC
Location Address2810 W CHARLESTON BLVD STE G64Las Vegas, NV 89102-1921
Mailing Address4276 Spring Mountain Rd Unit 211Las Vegas, NV 89102-8781 · (702) 899-3039
Phone(702) 899-3039
Organization SubpartNo
Authorized OfficialRafael OkamotoOwner · (714) 376-7853
Enumeration DateMay 12, 2020
Last NPPES UpdateSeptember 27, 2025
NPPES CertifiedSeptember 27, 2025
✔ NPI 1639791791 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
2810 W CHARLESTON BLVD STE G64, Las Vegas, NV 89102
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Other Names 1

Other NameRafael Okamoto

Other Identifiers 1

Medicaid1235281874NV

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, Molina Healthcare.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)

Spring Mountain Medical Center Pllc 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 Spring Mountain Medical Center PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Rafael Okamoto, M.D.
Internal Medicine
NPI 1235281874
1219 E. CHARLESTON BLVD
Las Vegas, NV 89104
(702) 384-1110
✔ PECOS✔ Accepts Medicare2.4 mi

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 of Waiver 29D2275486

Spring Mountain Medical Center · Las Vegas, NV
Active · expires Jan 22, 2027
CLIA Number29D2275486
Laboratory TypePhysician Office
Certificate Effective DateJanuary 23, 2025
Certificate Expiration DateJanuary 22, 2027
Laboratory DirectorRafael Okamoto
Laboratory Phone(702) 899-3039
Laboratory LocationSpring Mountain Medical Center2810 W Charleston Blvd Unit G64, Las Vegas, NV 89102
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only 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 Spring Mountain Medical Center PLLC's NPI number?

The NPI number for Spring Mountain Medical Center PLLC is 1639791791. It was assigned to this organization in the NPPES registry on May 12, 2020. The provider is also known as Rafael Okamoto.

Where is Spring Mountain Medical Center PLLC located?

Spring Mountain Medical Center PLLC is located at 2810 W Charleston Blvd Ste G64, Las Vegas, NV 89102. The listed phone number is (702) 899-3039.

What is Spring Mountain Medical Center PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Spring Mountain Medical Center PLLC enrolled in Medicare?

Yes. Spring Mountain Medical Center PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Spring Mountain Medical Center PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Spring Mountain Medical Center PLLC. 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 Spring Mountain Medical Center PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 29D2275486) is associated with this NPI, valid through January 22, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Spring Mountain Medical Center PLLC accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health and Molina Healthcare list Spring Mountain Medical Center PLLC 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 Spring Mountain Medical Center PLLC was last updated on September 27, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.