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CAMERON M JOHNSTONE MD
NPI 1962909697
Internal Medicine in Las Vegas, NV

Active since April 09, 2018PECOS EnrolledAccepts Medicare Assignment
6355 S BUFFALO DR, LAS VEGAS, NV 89113(702) 952-9171(702) 952-9170 Get Directions Write a Review

NPPES record last updated: September 4, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 4, 2024, Nov 1, 2022, Oct 19, 2021 and 1 more (4 updates tracked since 2018).

About Cameron M Johnstone Md NPPES

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

CAMERON M JOHNSTONE MD (NPI 1962909697) is an individual internal medicine provider in Las Vegas, Nevada, licensed in Nevada (21518) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Christus Spohn Hospital Corpus Christi, and is a graduate of Other (2018).

NPPES Registry Identity

NPI1962909697
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCAMERON M JOHNSTONECredential: MD
Location Address6355 S BUFFALO DRLas Vegas, NV 89113-2133
Mailing Address6355 S Buffalo Dr Fl 3Las Vegas, NV 89113-2133 · (702) 216-3346 · Fax (702) 671-6883
Phone(702) 952-9171
Fax(702) 952-9170
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 9, 2018
Last NPPES UpdateSeptember 4, 20244 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2024
✔ NPI 1962909697 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in NV · 21518✔ Licensed in TX · V3175
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
6355 S BUFFALO DR, Las Vegas, NV 89113
Open in Google Maps ↗

Other Identifiers 1

Other21518NV · State License

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Cameron M Johnstone Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5496005381
PECOS Enrollment IDI20250708004349
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Cameron Johnstone reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Intermountain Medical Holdings Nevada Inc
15 mi
Internal Medicine
595 W LAKE MEAD PKWY
Henderson, NV 89015
  • Reassigned Medicare billing, Nevada enrollment
  • 521 clinicians in this Medicare group
NPI 1245997279 (702) 566-5500
Gulf Coast Physician Services, PLLC
1,193 mi
Internal Medicine
600 ELIZABETH ST
Corpus Christi, TX 78404
  • Reassigned Medicare billing, Texas enrollment
  • 154 clinicians in this Medicare group
NPI 1922889187 (361) 881-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Spohn Hospital Corpus Christi

Acute Care Hospitals · Corpus Christi, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450046
Location600 Elizabeth StreetCorpus Christi, TX 78404 · Nueces County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89113 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.25 typical visit price
range $57.07 – $173.24
Typical copayment $32.81 (range $14.26 – $43.31)
Most-billed visit code 99204
Established Patient
$100.60 typical visit price
range $18.27 – $140.96
Typical copayment $25.15 (range $4.56 – $35.24)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MOMINA RAZAQ MD
Internal Medicine
6355 S BUFFALO DR
LAS VEGAS, NV 89113
Clark County (702) 952-9171
MANPREET SANDHU APN
Nurse Practitioner (Family)
6355 S BUFFALO DR
LAS VEGAS, NV 89113
Clark County (702) 479-4881

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 Cameron Johnstone's NPI number?

The NPI number for Cameron Johnstone is 1962909697. It was assigned to this individual provider in the NPPES registry on April 9, 2018.

Where is Cameron Johnstone located?

Cameron Johnstone practices at 6355 S Buffalo Dr, Las Vegas, NV 89113. The listed phone number is (702) 952-9171.

What is Cameron Johnstone's specialty?

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

Is Cameron Johnstone enrolled in Medicare?

Yes. Cameron Johnstone is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Cameron Johnstone's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Cameron Johnstone reassigns Medicare benefits to 2 organizations: Intermountain Medical Holdings Nevada Inc (Henderson, NV) and Gulf Coast Physician Services, PLLC (Corpus Christi, TX). Each 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 Cameron Johnstone's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Cameron Johnstone accept?

Health plans from Blue Cross and Blue Shield of Texas list Cameron Johnstone 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.

Is Cameron Johnstone affiliated with any hospitals?

According to CMS data, Cameron Johnstone is affiliated with Christus Spohn Hospital Corpus Christi.

When was this NPI record last updated?

The NPPES record for Cameron Johnstone was last updated on September 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.