SPENCER TIETJEN AU.D.
NPI 1851699003
Audiologist in Logan, UT

Q: What is Spencer Tietjen's NPI number?

The NPI number for Spencer Tietjen is 1851699003. It was assigned to this individual provider in the NPPES registry on March 11, 2011.

Q: What is Spencer Tietjen's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Q: When was this NPI record last updated?

The NPPES record for Spencer Tietjen was last updated on June 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 11, 2011

2245 N 400 E, STE 301, LOGAN, UT 84341(435) 753-7880 Get Directions Write a Review

NPPES record last updated: June 24, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Spencer Tietjen Au.d. NPPES

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

SPENCER TIETJEN AU.D. (NPI 1851699003) is an individual audiologist in Logan, Utah and active in the NPI registry since March 2011. He maintains a secondary practice location in Logan.

NPPES Registry Identity

NPI1851699003

Entity TypeIndividualMale

Primary Taxonomy231H00000X

Provider Legal NameSPENCER TIETJENCredential: AU.D.

Location Address2245 N 400 E, STE 301Logan, UT 84341-1892

Mailing Address2245 N 400 E, Ste 301Logan, UT 84341-1892 · (435) 753-7880

Phone(435) 753-7880

Sole ProprietorNo

Enumeration DateMarch 11, 2011

Last NPPES UpdateJune 24, 2022

NPPES CertifiedJune 18, 2022

✔ NPI 1851699003 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers

Taxonomy Code231H00000X

Definition

(1) A specialist in evaluation, habilitation and rehabilitation of those whose communication disorders center in whole or in part in hearing function. Audiologists are autonomous professionals who identify, assess, and manage disorders of the auditory, balance and other neural systems. Audiologists provide audiological (aural) rehabilitation to children and adults across the entire age span. Audiologists select, fit and dispense amplification systems such as hearing aids and related devices. (2) An audiologist is a person qualified by a master's degree in audiology, licensed by the state, where applicable, and practicing within the scope of that license. Audiologists evaluate and treat patients with impaired hearing. They plan, direct and conduct rehabilitative programs with audiotry substitutional devises (hearing aids) and other therapy.

2245 N 400 E, Logan, UT 84341

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Secondary Practice Location 1

Location 12380 N 400 E Ste DLogan, UT 84341-1756 · Phone (435) 753-7880

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Moda Health Plan, Inc., Molina Healthcare and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Spencer Tietjen Au.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Cache Valley Ear Nose & Throat, PLLC

Same address

Plastic Surgery within the Head & Neck

2245 N 400 E, STE 301
North Logan, UT 84341

Reassigned Medicare billing, Utah enrollment
4 clinicians in this Medicare group

NPI 1548303795 (435) 753-7880

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 9

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

RAY BROCK OLSON PA

Physician Assistant

2245 N 400 E, STE 301
NORTH LOGAN, UT 84341

Cache County (435) 753-7880

PELVIC CLARITY PHYSICAL THERAPY LLC

Clinic/Center (Physical Therapy)

2245 N 400 E, STE. 201
NORTH LOGAN, UT 84341

Cache County (801) 941-1090

ZACHARY ROBINETT M.D.

Otolaryngology

2245 N 400 E, STE 301
NORTH LOGAN, UT 84341

Cache County (435) 753-7880

DR. JEFFREY GREEN BENNION M.D.

Otolaryngology (Plastic Surgery within the Head & Neck)

2245 N 400 E, STE 301
NORTH LOGAN, UT 84341

Cache County (435) 753-7880

JAMIE COY GRANGE PA-C

Physician Assistant (Medical)

2245 N 400 E, STE 301
LOGAN, UT 84341

Cache County (435) 753-7880

CACHE VALLEY EAR NOSE & THROAT, PLLC

Otolaryngology (Plastic Surgery within the Head & Neck)

2245 N 400 E, STE 301
NORTH LOGAN, UT 84341

Cache County (435) 753-7880

LINDSAY DAWN HUMES PHYSICIAN ASSISTANT

Physician Assistant (Medical)

2245 N 400 E, STE 301
NORTH LOGAN, UT 84341

Cache County (435) 753-7880

DR. CRAIG WILLIS DDS

Dentist (Orthodontics and Dentofacial Orthopedics)

2245 N 400 E, SUITE 103
LOGAN, UT 84341

Cache County (435) 753-6776

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 Tietjen's NPI number?

The NPI number for Spencer Tietjen is 1851699003. It was assigned to this individual provider in the NPPES registry on March 11, 2011.

Where is Spencer Tietjen located?

Spencer Tietjen practices at 2245 N 400 E Ste 301, Logan, UT 84341. The listed phone number is (435) 753-7880.

What is Spencer Tietjen's specialty?

The primary specialty registered for this NPI is Audiologist with taxonomy code 231H00000X.

Is Spencer Tietjen enrolled in Medicare?

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

Which organization bills Medicare for Spencer Tietjen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Spencer Tietjen reassigns Medicare benefits to Cache Valley Ear Nose & Throat, PLLC (North Logan, 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 Spencer Tietjen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Spencer Tietjen accept?

Health plans from BridgeSpan Health Company, Moda Health Plan, Inc., Molina Healthcare, Regence BlueCross BlueShield of Utah and University of Utah Health Plans list Spencer Tietjen 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 Tietjen was last updated on June 24, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.