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DR. SPENCER T MELLUM DO
NPI 1811002793
Anesthesiology in Carson City, NV

Active since August 20, 2006PECOS Enrolled
91.59/100
CMS Quality Rating
1600 MEDICAL PKWY, CARSON CITY, NV 89703(702) 878-0070(702) 209-2064 Get Directions Write a Review

NPPES record last updated: August 14, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Spencer T Mellum Do NPPES

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

DR. SPENCER T MELLUM DO (NPI 1811002793) is an individual anesthesiology provider in Carson City, Nevada, licensed in Nevada (1232) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1811002793
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. SPENCER T MELLUMCredential: DO
Location Address1600 MEDICAL PKWYCarson City, NV 89703
Mailing Address9127 W Russell Rd Ste 110Las Vegas, NV 89148-1253 · (702) 878-0070 · Fax (702) 209-2064
Phone(702) 878-0070
Fax(702) 209-2064
Sole ProprietorNo
Enumeration DateAugust 20, 2006
Last NPPES UpdateAugust 14, 2018
✔ NPI 1811002793 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in NV · 1232
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1600 MEDICAL PKWY, Carson City, NV 89703
Open in Google Maps ↗

Other Identifiers 1

Medicaid1811002793NV

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Spencer T Mellum Do 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 Reassignment

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

Washoe Barton Medical Clinic A Nevada Nonprofit Corporation
19 mi
Critical Access
1107 HWY 395
Gardnerville, NV 89410
  • Reassigned Medicare billing, Nevada enrollment
  • 59 clinicians in this Medicare group
NPI 1396799102 (775) 782-1500

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

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.59/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality85.05
Promoting Interoperability96.88
Improvement Activities40

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.

DR. SARA M REAM MD
Emergency Medicine
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (775) 445-8000
JESSICA JANE CHANDLER RD
Dietitian, Registered
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (775) 445-8884
JEREMY FRIEND
Nurse Practitioner (Psychiatric/Mental Health)
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (775) 445-7350
DR. HAK-SUN BAK MD
Anesthesiology
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (702) 878-0070
CYNTHIA NOVAK MD
Emergency Medicine
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (775) 445-8005
DR. TIMOTHY KOPLIK HENDERSON MD
Emergency Medicine
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (775) 445-8000
CAROLINE B CAREY BSN, RN,RNFA
Registered Nurse (Registered Nurse First Assistant)
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (775) 445-8000
CARSON TAHOE PHYSICIAN HOSPITAL ORGANIZATION, LLC
Anesthesiology
1600 MEDICAL PKWY
CARSON CITY, NV 89703
Carson City (775) 445-8000

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 Spencer Mellum's NPI number?

The NPI number for Spencer Mellum is 1811002793. It was assigned to this individual provider in the NPPES registry on August 20, 2006.

Where is Spencer Mellum located?

Spencer Mellum practices at 1600 Medical Pkwy, Carson City, NV 89703. The listed phone number is (702) 878-0070.

What is Spencer Mellum's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Spencer Mellum enrolled in Medicare?

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

Which organization bills Medicare for Spencer Mellum's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Mellum reassigns Medicare benefits to Washoe Barton Medical Clinic A Nevada Nonprofit Corporation (Gardnerville, NV). 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 Spencer Mellum's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Spencer Mellum accept?

Health plans from Ambetter Health list Spencer Mellum 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 Spencer Mellum was last updated on August 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.