DR. COLBY ARTHUR FERNELIUS M.D.
NPI 1851561831
Pathology - Anatomic Pathology & Clinical Pathology in Ogden, UT

Q: What is Colby Fernelius's NPI number?

The NPI number for Colby Fernelius is 1851561831. It was assigned to this individual provider in the NPPES registry on March 6, 2008.

Q: What is Colby Fernelius's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Q: When was this NPI record last updated?

The NPPES record for Colby Fernelius was last updated on November 13, 2023. 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.

Active since March 06, 2008PECOS EnrolledAccepts Medicare Assignment

5475 S 500 E, OGDEN, UT 84405(801) 479-2390 Get Directions Write a Review

NPPES record last updated: November 13, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 13, 2023, Jun 20, 2019 (2 updates tracked since 2019).

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About Dr. Colby Arthur Fernelius M.d. NPPES

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

DR. COLBY ARTHUR FERNELIUS M.D. (NPI 1851561831) is an individual anatomic pathology & clinical pathology provider in Ogden, Utah, licensed in Utah (12301074-1205) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, is affiliated with Ogden Regional Medical Center, and maintains a secondary practice location in Fort Carson.

NPPES Registry Identity

NPI1851561831

Entity TypeIndividualMale

Primary Taxonomy207ZP0102X

Provider Legal NameDR. COLBY ARTHUR FERNELIUSCredential: M.D.

Location Address5475 S 500 EOgden, UT 84405-6905

Mailing Address1650 Cochrane CirFort Carson, CO 80913-4613

Phone(801) 479-2390

Sole ProprietorYes

Medical School CMSOtherGraduated 2006

Enumeration DateMarch 6, 2008

Last NPPES UpdateNovember 13, 20232 updates tracked since enumeration

NPPES CertifiedNovember 13, 2023

✔ NPI 1851561831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians

Taxonomy Code207ZP0102X

License✔ Licensed in UT · 12301074-1205

Definition

A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.

5475 S 500 E, Ogden, UT 84405

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Secondary Practice Location 1

Location 11650 Cochrane CirFort Carson, CO 80913-4613 · Phone (801) 479-2390

Accepted Insurance

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

Dr. Colby Arthur Fernelius M.d. 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 ID6406257864

PECOS Enrollment IDI20210623002637

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 Colby Fernelius reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Associates Of Pathology, P.C.

0.6 mi

Anatomic Pathology & Clinical Pathology

5475 S 500 E
Ogden, UT 84405

Reassigned Medicare billing, Utah enrollment
Medicare enrollment name: Associates Of Pathology PC
5 clinicians in this Medicare group

NPI 1760679443 (435) 734-0101

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

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Pathology examination of tissue using a microscope, intermediate complexity 88305

A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.

745 services388 patients

Special stained specimen slides to examine tissue including interpretation and report 88313

Special stained specimen slides are used to examine tissue samples. This involves applying special dyes to the tissue, which helps to highlight certain features under a microscope. The findings are then interpreted and a report is provided. This can aid in diagnosing various health conditions.

175 services99 patients

Special stained specimen slides to examine tissue, each additional procedure 88341

Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.

117 services34 patients

Pathology examination of tissue using a microscope, intermediate complexity 88305

111 services92 patients

Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician G0124

This is a routine health check where a sample of cells is collected from the lower region of the female reproductive system. The sample is preserved and prepared using automated technology for detailed examination. A doctor interprets the results to check for any abnormalities.

83 services83 patients

Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, with screening by automated system and manual rescreening under physician supervision G0145

This is a procedure to check for abnormal cells in the lower part of the womb or the birth canal. Cells are collected in a special fluid and prepared in a thin layer. They are then examined by an automated system and manually reviewed by a doctor for accuracy.

82 services82 patients

Detection test by nucleic acid for human papillomavirus (hpv), high-risk types 87624

This test detects high-risk types of HPV, a common virus. It's done by analyzing a small sample of cells for the presence of HPV DNA. The aim is to identify any high-risk types early, as they may increase the risk of certain health issues.

74 services73 patients

Special stained specimen slides to examine tissue, initial procedure 88342

This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.

69 services53 patients

Pathology examination of tissue using a microscope, moderately high complexity 88307

A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.

58 services36 patients

Microscopic genetic analysis of tumor, manual 88360

Microscopic genetic analysis of a tumor involves examining your tumor's genes under a microscope. This helps identify specific genetic changes in the tumor cells. This information can aid in diagnosing, predicting disease progression, and determining the most effective treatment options.

49 services15 patients

Preparation of tissue for examination by removing any calcium present 88311

This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.

24 services18 patients

Pathology examination of tissue using a microscope, limited examination 88300

A pathology examination of tissue using a microscope is a procedure where a small sample of your tissue is observed under a microscope. This limited examination helps identify any abnormal cells or signs of disease, aiding in accurate diagnosis and treatment planning.

22 services22 patients

Pathology examination of tissue using a microscope, moderately low complexity 88304

A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.

20 services19 patients

Blood smear interpretation by physician with written report 85060

Blood smear interpretation is a lab test where your doctor examines a sample of your blood under a microscope. They look for abnormalities in your blood cells which can help diagnose various conditions. You'll receive a written report of the findings.

12 services12 patients

Cell examination of specimen, selective cellular enhancement technique 88112

Cell examination of a specimen using selective cellular enhancement technique is a lab process that improves the visibility of certain cells in a sample. It helps in identifying abnormalities or diseases. The process is non-invasive, safe, and aids in accurate diagnosis.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

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

Ogden Regional Medical Center

Acute Care Hospitals · Ogden, UT

3/5 CMS rating

OwnershipProprietary

CMS Certification Number460005

Location5475 South 500 EastOgden, UT 84405 · Weber County

Emergency services

Brigham City Community Hospital

Acute Care Hospitals · Brigham City, UT

OwnershipProprietary

CMS Certification Number460017

Location950 South Medical DriveBrigham City, UT 84302 · Box Elder County

Emergency services Birthing friendly

Lakeview Hospital

Acute Care Hospitals · Bountiful, UT

5/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number460042

Location630 East Medical DriveBountiful, UT 84010 · Davis County

Emergency services

Cache Valley Hospital

Acute Care Hospitals · North Logan, UT

OwnershipProprietary

CMS Certification Number460054

Location2380 North 400 EastNorth Logan, UT 84341 · Cache County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84405 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

$125.70 typical visit price

range $54.34 – $166.03

Typical copayment $31.42 (range $13.58 – $41.50)

Most-billed visit code 99204

Established Patient

$96.35 typical visit price

range $17.23 – $135.20

Typical copayment $24.08 (range $4.30 – $33.80)

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 20

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

TERRELL DANIEL REES PHARMD

Pharmacist (Critical Care)

5475 S 500 E
OGDEN, UT 84405

Weber County (801) 479-2171

JENNY L COLE CRNA

Nurse Anesthetist, Certified Registered

5475 S 500 E
OGDEN, UT 84405

Weber County (800) 880-3566

COLUMBIA OGDEN MEDICAL CENTER, INC.

Rehabilitation Unit

5475 S 500 E
OGDEN, UT 84405

Weber County (801) 479-2111

JOSEPH REYNA CRNA

Nurse Anesthetist, Certified Registered

5475 S 500 E
OGDEN, UT 84405

Weber County (801) 479-2468

CHARITY BUSHATI DNP

Nurse Practitioner (Neonatal)

5475 S 500 E
OGDEN, UT 84405

Weber County (801) 479-2111

PEGGY MARIA BODAMER RN

Registered Nurse (Neonatal Intensive Care)

5475 S 500 E
OGDEN, UT 84405

Weber County (801) 479-2560

MARCIANA MAE TWITCHELL PHARMD

Pharmacist

5475 S 500 E
OGDEN, UT 84405

Weber County (801) 479-2170

ALICIA RYLANDS RN

Registered Nurse

5475 S 500 E
OGDEN, UT 84405

Weber County (801) 479-2111

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 Colby Fernelius's NPI number?

The NPI number for Colby Fernelius is 1851561831. It was assigned to this individual provider in the NPPES registry on March 6, 2008.

Where is Colby Fernelius located?

Colby Fernelius practices at 5475 S 500 E, Ogden, UT 84405. The listed phone number is (801) 479-2390.

What is Colby Fernelius's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Colby Fernelius enrolled in Medicare?

Yes. Colby Fernelius 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 Colby Fernelius's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colby Fernelius reassigns Medicare benefits to Associates Of Pathology, P.C. (Ogden, UT). 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 Colby Fernelius's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Colby Fernelius accept?

Health plans from Select Health list Colby Fernelius 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 Colby Fernelius affiliated with any hospitals?

According to CMS data, Colby Fernelius is affiliated with Ogden Regional Medical Center, Brigham City Community Hospital, Lakeview Hospital and Cache Valley Hospital.

When was this NPI record last updated?

The NPPES record for Colby Fernelius was last updated on November 13, 2023. 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.