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JOANN L. MARK MS CCCA
NPI 1992944003
Audiologist in Ontario, OH

Active since February 12, 2009
715 RICHLAND MALL, ONTARIO, OH 44906(419) 775-1091(419) 775-1093 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 9, 2025, Aug 23, 2023 (2 updates tracked since 2023).

About Joann L. Mark Ms Ccca NPPES

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

JOANN L. MARK MS CCCA (NPI 1992944003) is an individual audiologist in Ontario, Ohio, licensed in Ohio (A.02351) and active in the NPI registry since February 2009. She maintains a secondary practice location in Galion.

NPPES Registry Identity

NPI1992944003
Entity TypeIndividualFemale
Primary Taxonomy231H00000X
Provider Legal NameJOANN L. MARKCredential: MS CCCA
Location Address715 RICHLAND MALLOntario, OH 44906-3802
Mailing Address700 N Columbus StCrestline, OH 44827-1455 · (419) 462-3485 · Fax (419) 462-4582
Phone(419) 775-1091
Fax(419) 775-1093
Sole ProprietorYes
Enumeration DateFebruary 12, 2009
Last NPPES UpdateOctober 9, 20252 updates tracked since enumeration
NPPES CertifiedOctober 9, 2025
✔ NPI 1992944003 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologistSpeech, Language and Hearing Service Providers
Taxonomy Code231H00000X
Licenses✔ Licensed in OH · A.02351✔ Licensed in PA · AT000626L
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.
715 RICHLAND MALL, Ontario, OH 44906
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Secondary Practice Location 1

Location 1269 Portland Way SGalion, OH 44833-2312 · Phone (419) 468-0547

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joann L. Mark Ms Ccca is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

North Central Ohio Family Care Center, Inc
11 mi
Specialist
269 PORTLAND WAY S
Galion, OH 44833
  • Reassigned Medicare billing, Ohio enrollment
  • 252 clinicians in this Medicare group
NPI 1689822827 (419) 468-4841

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.

MR. ISAAC TIMOTHY BOROFF RDN,LD
Dietitian, Registered
715 RICHLAND MALL
ONTARIO, OH 44906
Richland County (567) 307-7557
BROOKE STAMPER NP-C
Nurse Practitioner (Occupational Health)
715 RICHLAND MALL
ONTARIO, OH 44906
Richland County (419) 709-8667
DR. WALKER SHANE ELLIOTT RPH, PHARMD
Pharmacist
715 RICHLAND MALL
ONTARIO, OH 44906
Richland County (567) 307-7557
DR. CHERYL A CLAY M.D.
Pediatrics
715 RICHLAND MALL
ONTARIO, OH 44906
Richland County (419) 756-8511
WILLIAM J POLINSKI DO PHD FACC
Internal Medicine (Interventional Cardiology)
715 RICHLAND MALL
ONTARIO, OH 44906
Richland County (419) 462-4600
DR. ANJULI MICHELE EAGLESTON MD
Internal Medicine
715 RICHLAND MALL
ONTARIO, OH 44906
Richland County (419) 529-6195
ADAM J BIHL M.D.
Family Medicine
715 RICHLAND MALL
ONTARIO, OH 44906
Richland County (567) 307-7835
MELISSA M BECKER MD
Family Medicine
715 RICHLAND MALL, SUITE A
ONTARIO, OH 44906
Richland County (419) 522-0948

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 Joann Mark's NPI number?

The NPI number for Joann Mark is 1992944003. It was assigned to this individual provider in the NPPES registry on February 12, 2009.

Where is Joann Mark located?

Joann Mark practices at 715 Richland Mall, Ontario, OH 44906. The listed phone number is (419) 775-1091.

What is Joann Mark's specialty?

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

Is Joann Mark enrolled in Medicare?

Yes. Joann Mark is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Joann Mark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joann Mark reassigns Medicare benefits to North Central Ohio Family Care Center, Inc (Galion, OH). 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 Joann Mark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joann Mark accept?

Health plans from Molina Healthcare and UnitedHealthcare list Joann Mark 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 Joann Mark was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.