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NATHANAEL DUANE MELLUM PMHNP
NPI 1194300152
Nurse Practitioner - Psychiatric/Mental Health in Reno, NV

Active since March 11, 2021PECOS Enrolled
515 COURT ST LOWR FLOOR, RENO, NV 89501(775) 980-2022(775) 980-2022 Get Directions Write a Review

NPPES record last updated: April 17, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Nathanael Duane Mellum Pmhnp NPPES

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

NATHANAEL DUANE MELLUM PMHNP (NPI 1194300152) is an individual psychiatric/mental health provider in Reno, Nevada, licensed in Nevada (838969) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1194300152
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameNATHANAEL DUANE MELLUMCredential: PMHNP
Location Address515 COURT ST LOWR FLOORReno, NV 89501-1710
Mailing Address515 Court StReno, NV 89501-1710 · (775) 980-2022 · Fax (775) 980-2022
Phone(775) 980-2022
Fax(775) 980-2022
Sole ProprietorYes
Enumeration DateMarch 11, 2021
Last NPPES UpdateApril 17, 2023
NPPES CertifiedApril 17, 2023
✔ NPI 1194300152 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in NV · 838969
515 COURT ST LOWR FLOOR, Reno, NV 89501
Open in Google Maps ↗

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Nathanael Duane Mellum Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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

3

Medicare enrollment records show Nathanael Mellum reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Reno Sparks Indian Colony
1.5 mi
Clinic/Center
1715 KUENZLI STREET
Reno, NV 89502
  • Reassigned Medicare billing, Nevada enrollment
  • 10 clinicians in this Medicare group
NPI 1497700801 (775) 329-5162
Philip Malinas MD & Associates PLLC
2.2 mi
Psychiatry
639 ISBELL RD STE 380
Reno, NV 89509
  • Reassigned Medicare billing, Nevada enrollment
  • 10 clinicians in this Medicare group
NPI 1194156208 (775) 440-1520
Carson Tahoe Physician Clinics
23 mi
Internal Medicine
2874 N CARSON STREET, SUITE 200
Carson City, NV 89706
  • Reassigned Medicare billing, Nevada enrollment
  • 157 clinicians in this Medicare group
NPI 1023265717 (775) 883-9003

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 89501 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
$88.51 typical visit price
range $57.07 – $173.24
Typical copayment $22.12 (range $14.26 – $43.31)
Most-billed visit code 99203
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.

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 Nathanael Mellum's NPI number?

The NPI number for Nathanael Mellum is 1194300152. It was assigned to this individual provider in the NPPES registry on March 11, 2021.

Where is Nathanael Mellum located?

Nathanael Mellum practices at 515 Court St Lowr Floor, Reno, NV 89501. The listed phone number is (775) 980-2022.

What is Nathanael Mellum's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Nathanael Mellum enrolled in Medicare?

Yes. Nathanael Mellum is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Nathanael Mellum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nathanael Mellum reassigns Medicare benefits to 3 organizations: Reno Sparks Indian Colony (Reno, NV), Philip Malinas MD & Associates PLLC (Reno, NV) and Carson Tahoe Physician Clinics (Carson City, NV). 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 Nathanael Mellum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nathanael Mellum was last updated on April 17, 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.