Active NPI 1962872143 Individual Practitioner Female Practitioner

Carolyn M Brennan , CNP

Nurse Practitioner • Columbus, OH

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Carolyn Brennan, CNP is a certified Nurse Practitioner practicing in Columbus, OH. With approximately 11 years of clinical experience since completing medical education in 2015, Carolyn Brennan delivers high-quality medical care to the local community at 7630 RIVERS EDGE DR.

Carolyn Brennan is affiliated with Ohiohealth Corporation and accepts Medicare assignment.

Frequently performed procedures and clinical services include established patient outpatient office visit, amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

7630 Rivers Edge Dr

Columbus, OH 432351329

Telephone 6145334000

Fax 6145403979

Associated Practice Facility / Clinic

🏢 The Millhon Clinic, Inc Facility NPI 1023013133

Medicare Profile & Education

Medical School

Other

Graduation Year

2015

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner in Columbus, OH

Established Specialist (10-20 Yrs)

Practitioner Clinical Experience

11 Yrs +1.5 yrs vs City Avg

City Avg: 9.5 Yrs

State Avg: 9.8 Yrs

Regional Practice Density

636 Specialists

Practicing in Columbus, OH (4294 Statewide)

Telehealth Adoption Rate

18.7% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

57.6% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Brennan (11 Years) 11 Yrs

Columbus Specialty Average (9.5 Years) 9.5 Yrs

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2024)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	105	78	$187.00	$82.91
99213 Established patient office or other outpatient visit, typically 15 minutes	95	81	$126.00	$65.06
87635 Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen	12	12	$154.00	$50.28

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	109	84	$187.00	$79.67
99213 Established patient office or other outpatient visit, typically 15 minutes	70	65	$126.00	$66.99

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	79	64	$187.00	$84.79
99213 Established patient office or other outpatient visit, typically 15 minutes	76	69	$126.00	$70.27

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	92	83	$126.00	$62.37
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	46	40	$187.00	$85.61
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	11	11	$18.00	$6.71

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	65	60	$187.00	$68.52
99213 Established patient office or other outpatient visit, typically 15 minutes	57	53	$126.00	$48.96
99441 Telephone medical discussion with physician, 5-10 minutes	14	13	$76.00	$37.45
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	12	12	$18.00	$7.32

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	215	184	$187.00	$70.63
99213 Established patient office or other outpatient visit, typically 15 minutes	64	61	$126.00	$47.42
93000 Routine ekg using at least 12 leads including interpretation and report	20	20	$39.00	$13.76
81002 Urinalysis, manual test	13	13	$7.00	$3.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	175	155	$187.00	$73.55
99213 Established patient office or other outpatient visit, typically 15 minutes	144	132	$126.00	$52.57
93000 Routine ekg using at least 12 leads including interpretation and report	35	35	$39.00	$13.76
G0008 Administration of influenza virus vaccine	21	21	$36.00	$19.30
90662 Influenza vaccine split virus, preservative free	19	19	$114.00	$52.08
81002 Urinalysis, manual test	13	12	$7.00	$3.41

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
99213 Established patient office or other outpatient visit, typically 15 minutes	324	269	$126.00	$56.29
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	137	119	$187.00	$81.06
93000 Routine ekg using at least 12 leads including interpretation and report	27	27	$39.00	$13.70
G0008 Administration of influenza virus vaccine	21	21	$36.00	$23.76
90662 Influenza vaccine split virus, preservative free	20	20	$113.95	$47.74

Medical Specialties & State Licenses

CMS Verified: 2025-08-22

Nurse Practitioner Primary Specialty

NUCC Taxonomy Code: 363L00000X

State License OH COA.17728-NP

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Hospital & Practice Group Affiliations

Ohiohealth Corporation

7634 Rivers Edge Dr, Columbus, OH 432351329

Phone: 6145335500

Ohiohealth Corporation

7630 Rivers Edge Dr, Columbus, OH 432351329

Phone: 6145334000

Ohiohealth Corporation

393 E Town St, Columbus, OH 432154799

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

25 Associated Practitioners

Jamie Mayo , CNP

Nurse Practitioner

NPI 1003338336

Certified Nurse Practitioner

Jacquelyn Flowers , FNP

Nurse Practitioner - Family

NPI 1013376474

Family Nurse Practitioner

Dr. Kevin Anderson , MD

Internal Medicine

NPI 1114921988

Doctor of Medicine (M.D.)

Dr. Andre Lamyaithong , MD

Internal Medicine

NPI 1134755176

Doctor of Medicine (M.D.)

Dr. Michelle Kovalaske , MD

Internal Medicine - Endocrinology, Diabetes & Metabolism

NPI 1306023882

Doctor of Medicine (M.D.)

Dr. Bryce Coombs , DO

Family Medicine

NPI 1326451071

Doctor of Osteopathic Medicine (D.O.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

13 Historical Events

📍

Updated Business Mailing Address September 10, 2021

Registered at PO BOX 7527, DUBLIN, OH 430170727

📍

Updated Business Mailing Address June 19, 2019

Registered at 5450 FRANTZ RD STE 360, DUBLIN, OH 430164141

✅

NPI Profile Active March 10, 2017

NPI status registered as active in NPPES database

📍

Updated Practice Location March 10, 2017

Registered at 7630 RIVERS EDGE DR, COLUMBUS, OH 432351329 (Tel: 6145334000)

📍

Updated Business Mailing Address March 10, 2017

Registered at 5400 FRANTZ RD, SUITE 250, DUBLIN, OH 430164144

👤

Provider Name / Credentials Updated March 10, 2017

Recorded as CAROLYN BRENNAN, C.N.P.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) March 10, 2017

Nurse Practitioner (License #COA.17728-NP in OH)

✅

NPI Profile Active October 01, 2015

NPI status registered as active in NPPES database

📍

Updated Practice Location October 01, 2015

Registered at 7630 RIVERS EDGE DR, COLUMBUS, OH 432351329 (Tel: 6145334000)

📍

Updated Business Mailing Address October 01, 2015

Registered at 5400 FRANTZ RD, SUITE 250, DUBLIN, OH 430164144 (Tel: 6145446355)

👤

Provider Name / Credentials Updated October 01, 2015

Recorded as CAROLYN BRENNAN, C.N.P.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) October 01, 2015

Nurse Practitioner (License #COA.17728-NP in OH)

🟢

Initial NPI Registration & Enumeration October 01, 2015

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

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NPI Administrative Meta

NPI Number: 1962872143

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: October 01, 2015

Last Update: August 22, 2025

Sole Proprietor: No

Update or Correct Profile

Mailing Address

Po Box 7527

Dublin, OH 430170727

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.