Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CAROLYN M BRENNAN C.N.P.
NPI 1962872143
Nurse Practitioner - Family in Westerville, OH

Active since October 01, 2015PECOS Enrolled
655 AFRICA RD, WESTERVILLE, OH 43082(614) 865-6401(614) 865-3259 Get Directions Write a Review

NPPES record last updated: October 21, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 25, 2022, Sep 10, 2021, Jun 19, 2019 and 1 more (4 updates tracked since 2015).

About Carolyn M Brennan C.n.p. NPPES

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

CAROLYN M BRENNAN C.N.P. (NPI 1962872143) is an individual family provider in Westerville, Ohio, licensed in Ohio (COA.17728-NP) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962872143
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCAROLYN M BRENNANCredential: C.N.P.
Location Address655 AFRICA RDWesterville, OH 43082-9808
Mailing Address655 Africa RdWesterville, OH 43082-9808 · (614) 865-6401 · Fax (614) 865-3259
Fax(614) 865-3259
Sole ProprietorYes
Enumeration DateOctober 1, 2015
Last NPPES UpdateOctober 21, 20264 updates tracked since enumeration
NPPES CertifiedOctober 21, 2026
✔ NPI 1962872143 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in OH · COA.17728-NP
655 AFRICA RD, Westerville, OH 43082

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carolyn M Brennan C.n.p. 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 Reassignments

2

Medicare enrollment records show Carolyn Brennan reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cardiovascular Disease
3705 OLENTANGY RIVER RD, SUITE 100
Columbus, OH 43214
  • Reassigned Medicare billing, Ohio enrollment
  • 3,314 clinicians in this Medicare group
Urgent Care
6905 HOSPITAL DR STE 130
Dublin, OH 43016
  • Reassigned Medicare billing, Ohio enrollment
  • 388 clinicians in this Medicare group

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 3

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
105 services78 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
95 services81 patients
Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen 87635
This is a lab test that detects the presence of COVID-19 in your body. It uses a technique to amplify the virus's genetic material, either DNA or RNA, making it easier to identify. A positive result indicates an active infection.
12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43082 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers11 claims11 services$13.84 avg. paid by Medicare
Nebulizer, with compressor E0570
DME-Other DME · category DE000N
1 supplier12 claims12 services$5.29 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$63.60 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

Internal Medicine
655 AFRICA RD
WESTERVILLE, OH 43082
Dietitian, Registered
655 AFRICA RD
WESTERVILLE, OH 43082
Physician Assistant
655 AFRICA RD
WESTERVILLE, OH 43082
Internal Medicine
655 AFRICA RD
WESTERVILLE, OH 43082
Nurse Practitioner (Family)
655 AFRICA RD
WESTERVILLE, OH 43082
Internal Medicine (Geriatric Medicine)
655 AFRICA RD
WESTERVILLE, OH 43082
Nurse Practitioner
655 AFRICA RD
WESTERVILLE, OH 43082
Nurse Practitioner
655 AFRICA RD
WESTERVILLE, OH 43082

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 Carolyn Brennan's NPI number?

The NPI number for Carolyn Brennan is 1962872143. It was assigned to this individual provider in the NPPES registry on October 1, 2015.

Where is Carolyn Brennan located?

Carolyn Brennan practices at 655 Africa Rd, Westerville, OH 43082. The listed phone number is (614) 865-6401.

What is Carolyn Brennan's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Carolyn Brennan enrolled in Medicare?

Yes. Carolyn Brennan is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carolyn Brennan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carolyn Brennan reassigns Medicare benefits to 2 organizations: Ohiohealth Corporation (Columbus, OH) and Ohiohealth Urgent Care LLC (Dublin, OH). Each 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 Carolyn Brennan'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 Carolyn Brennan was last updated on October 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 days 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.