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DR. KARLEE L ERTTER AU.D.
NPI 1134548183
Audiologist-Hearing Aid Fitter in Pikesville, MD

Active since April 07, 2014Accepts Medicare Assignment
4000 OLD COURT RD STE 202, PIKESVILLE, MD 21208(410) 580-1222(410) 580-9114 Get Directions Write a Review

NPPES record last updated: August 11, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 16, 2023, Aug 11, 2021, Aug 22, 2018 (3 updates tracked since 2018).

About Dr. Karlee L Ertter Au.d. NPPES

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

DR. KARLEE L ERTTER AU.D. (NPI 1134548183) is an individual audiologist-hearing aid fitter provider in Pikesville, Maryland, licensed in Maryland (01465) and active in the NPI registry since April 2014. She maintains 3 additional practice locations and is a graduate of Other (2018).

NPPES Registry Identity

NPI1134548183
Entity TypeIndividualFemale
Primary Taxonomy237600000X
Provider Legal NameDR. KARLEE L ERTTERCredential: AU.D.
Location Address4000 OLD COURT RD STE 202Pikesville, MD 21208-2894
Mailing Address19110 Montgomery Village Ave Ste 120Montgomery Village, MD 20886-3706 · (301) 977-6317 · Fax (301) 977-8503
Phone(410) 580-1222
Fax(410) 580-9114
Sole ProprietorNo
Medical School CMSOtherGraduated 2018
Enumeration DateApril 7, 2014
Last NPPES UpdateAugust 11, 20213 updates tracked since enumeration
NPPES CertifiedAugust 11, 2021
✔ NPI 1134548183 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAudiologist-Hearing Aid FitterSpeech, Language and Hearing Service Providers
Taxonomy Code237600000X
License✔ Licensed in MD · 01465
Definition
An audiologist/hearing aid fitter is the professional who specializes in evaluating and treating people with hearing loss, conducts a wide variety of tests to determine the exact nature of an individual's hearing problem, presents a variety of treatment options to patients, dispenses and fits hearing aids, administers tests of balance to evaluate dizziness and provides hearing rehabilitation training. This classification should be used where individuals are licensed as audiologist-hearing aid fitters as opposed to states that license individuals as audiologists.
4000 OLD COURT RD STE 202, Pikesville, MD 21208
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Secondary Practice Locations 3

Location 14000 Old Court Rd Ste 202Pikesville, MD 21208-2894 · Phone (410) 580-1222 · Fax (410) 580-9114
Location 21813 York Rd, Ste BTimonium, MD 21093 · Phone (410) 321-7960 · Fax (410) 702-4660
Location 34000 Annapolis Rd Ste 202Baltimore, MD 21227-3655 · Phone (410) 789-8494 · Fax (410) 789-8495

Other Identifiers 1

Medicaid381008900MD

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. Karlee L Ertter Au.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 ID244582831
PECOS Enrollment IDI20181009003369

Medicare Billing Reassignment

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

Comptroller Of Maryland Central Payroll Bureau
6.5 mi
Audiologist
8000 YORK RD
Towson, MD 21252
  • Reassigned Medicare billing, Maryland enrollment
  • 49 clinicians in this Medicare group
NPI 1871609545 (410) 704-7300

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 21208 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
$60.73 typical visit price
range $60.73 – $183.44
Typical copayment $15.18 (range $15.18 – $45.86)
Most-billed visit code 99202
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
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 2

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

DR. RACHEL BOND AU.D.
Audiologist
4000 OLD COURT RD STE 202
PIKESVILLE, MD 21208
Baltimore County (410) 580-1222
A&A HEARING GROUP, LLC
Audiologist
4000 OLD COURT RD STE 202
PIKESVILLE, MD 21208
Baltimore County (410) 580-1222

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 Karlee Ertter's NPI number?

The NPI number for Karlee Ertter is 1134548183. It was assigned to this individual provider in the NPPES registry on April 7, 2014.

Where is Karlee Ertter located?

Karlee Ertter practices at 4000 Old Court Rd Ste 202, Pikesville, MD 21208. The listed phone number is (410) 580-1222.

What is Karlee Ertter's specialty?

The primary specialty registered for this NPI is Audiologist-Hearing Aid Fitter with taxonomy code 237600000X.

Is Karlee Ertter enrolled in Medicare?

Yes. Karlee Ertter 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 Karlee Ertter's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karlee Ertter reassigns Medicare benefits to Comptroller Of Maryland Central Payroll Bureau (Towson, MD). 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 Karlee Ertter'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 Karlee Ertter was last updated on August 11, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.