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JAMES MARTIN JOHNSTON MD
NPI 1528177367
Pediatrics - Pediatric Hematology-Oncology in Reno, NV

Active since August 29, 2006PECOS EnrolledAccepts Medicare Assignment
75 PRINGLE WAY STE 505, RENO, NV 89502(775) 982-5000(775) 982-3900 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 9, 2025, Mar 17, 2018 (2 updates tracked since 2018).

About James Martin Johnston Md NPPES

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

JAMES MARTIN JOHNSTON MD (NPI 1528177367) is an individual pediatric hematology-oncology provider in Reno, Nevada, licensed in Nevada (17447) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of Duke University School Of Medicine (1984).

NPPES Registry Identity

NPI1528177367
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameJAMES MARTIN JOHNSTONCredential: MD
Location Address75 PRINGLE WAY STE 505Reno, NV 89502-1469
Mailing Address850 Harvard WayReno, NV 89502-2055 · (775) 982-5262 · Fax (775) 982-5496
Phone(775) 982-5000
Fax(775) 982-3900
Sole ProprietorNo
Medical School CMSDuke University School Of MedicineGraduated 1984
Enumeration DateAugust 29, 2006
Last NPPES UpdateSeptember 9, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
✔ NPI 1528177367 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
Licenses✔ Licensed in NV · 17447✔ Licensed in GA · 059801✔ Licensed in TX · V3174
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
75 PRINGLE WAY STE 505, Reno, NV 89502
Open in Google Maps ↗

Secondary Practice Locations 3

Location 11155 Mill St, 5th Floor Sierra TowerReno, NV 89502-1576 · Phone (775) 982-5123 · Fax (775) 982-5470
Location 24845 Alameda AveEl Paso, TX 79905-2705 · Phone (915) 298-5444
Location 34700 Waters AveSavannah, GA 31404-6220 · Phone (912) 350-5646 · Fax (912) 350-8427

Other Identifiers 10

Other404279GA · Wellcare
Medicaid792665328EGA
Other11566679Caqh
Medicaid792665328CGA
MedicaidG59801SC
OtherP00414570GA · Railroad Medicare
Other01067533GA · Amerigroup
Medicaid792665328BGA
Medicaid792665328DGA
Medicaid792665328AGA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Insurance Company.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

James Martin Johnston 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 ID345235388
PECOS Enrollment IDI20260605002804
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 Reassignment

Medicare enrollment records show James Johnston reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

El Paso Children's Physician Group
921 mi
Specialist
5400 ALAMEDA AVE BLDG B
El Paso, TX 79905
  • Reassigned Medicare billing, Texas enrollment
  • 59 clinicians in this Medicare group
NPI 1992067128 (915) 242-8402

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

Other Providers at the Same Location NPPES 20

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

KELLY TUVESON DO
Pediatrics (Pediatric Pulmonology)
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 982-5437
PETER R FENWICK, MD
Family Medicine
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 786-7216
RENOWN MEDICAL SCHOOL ASSOCIATES NORTH, INC.
Pediatrics (Adolescent Medicine)
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 982-5000
OLIVERA MARSENIC COULOURES MD
Pediatrics (Pediatric Nephrology)
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 982-5437
MS. STACY ANNE BRISCOE M.S., R.D.
Nutritionist (Nutrition, Education)
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 982-5262
ANA I ARIAS RAMIREZ CHW II
Community Health Worker
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 982-5470
STEVEN A SHANE M.D.
Emergency Medicine (Pediatric Emergency Medicine)
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 982-5437
FELICIA LOMBARDI
Psychiatry & Neurology (Neurology with Special Qualifications in Child Neurology)
75 PRINGLE WAY STE 505
RENO, NV 89502
Washoe County (775) 982-5437

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 James Johnston's NPI number?

The NPI number for James Johnston is 1528177367. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is James Johnston located?

James Johnston practices at 75 Pringle Way Ste 505, Reno, NV 89502. The listed phone number is (775) 982-5000.

What is James Johnston's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is James Johnston enrolled in Medicare?

Yes. James Johnston 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 organization bills Medicare for James Johnston's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Johnston reassigns Medicare benefits to El Paso Children's Physician Group (El Paso, TX). The 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 James Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does James Johnston accept?

Health plans from Oscar Insurance Company list James Johnston 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 James Johnston was last updated on September 9, 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.