NICHOLAS MIZENKO D.O.
NPI 1326465790
Internal Medicine in Columbus, OH

Q: What is Nicholas Mizenko's NPI number?

The NPI number for Nicholas Mizenko is 1326465790. It was assigned to this individual provider in the NPPES registry on March 24, 2014.

Q: What is Nicholas Mizenko's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Nicholas Mizenko was last updated on January 25, 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 24, 2014PECOS EnrolledAccepts Medicare Assignment

3595 OLENTANGY RIVER RD, COLUMBUS, OH 43214(614) 566-5456(614) 566-6902 Get Directions Write a Review

NPPES record last updated: January 25, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jan 25, 2022, Jun 3, 2019, Jan 9, 2017 (3 updates tracked since 2017).

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About Nicholas Mizenko D.o. NPPES

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

NICHOLAS MIZENKO D.O. (NPI 1326465790) is an individual internal medicine provider in Columbus, Ohio, licensed in Ohio (34.012835) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and is a graduate of Ohio University, College Of Osteopathic Medicine (2014).

NPPES Registry Identity

NPI1326465790

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameNICHOLAS MIZENKOCredential: D.O.

Location Address3595 OLENTANGY RIVER RDColumbus, OH 43214-3440

Mailing Address3595 Olentangy River RdColumbus, OH 43214-3440 · (614) 566-5456 · Fax (614) 566-6902

Phone(614) 566-5456

Fax(614) 566-6902

Sole ProprietorNo

Medical School CMSOhio University, College Of Osteopathic MedicineGraduated 2014

Enumeration DateMarch 24, 2014

Last NPPES UpdateJanuary 25, 20223 updates tracked since enumeration

✔ NPI 1326465790 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in OH · 34.012835

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

3595 OLENTANGY RIVER RD, Columbus, OH 43214

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, MedMutual.Insurance ›

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

Nicholas Mizenko D.o. 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 ID1456673292

PECOS Enrollment IDI20170605001657

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

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

Ohiohealth Corporation

0.2 mi

Cardiovascular Disease

3705 OLENTANGY RIVER RD, SUITE 100
Columbus, OH 43214

Reassigned Medicare billing, Ohio enrollment
3,314 clinicians in this Medicare group

NPI 1194979526 (614) 262-6772

Ohiohealth Urgent Care LLC

8.3 mi

Urgent Care

6905 HOSPITAL DR STE 130
Dublin, OH 43016

Reassigned Medicare billing, Ohio enrollment
388 clinicians in this Medicare group

NPI 1811207160 (614) 923-0300

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 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.

42 services27 patients

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.

19 services16 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

12 services12 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Riverside Methodist Hospital

Acute Care Hospitals · Columbus, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360006

Location3535 Olentangy River RdColumbus, OH 43214 · Franklin County

Emergency services Birthing friendly

Grant Medical Center

Acute Care Hospitals · Columbus, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360017

Location111 South Grant AvenueColumbus, OH 43215 · Franklin County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 43214 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

$126.12 typical visit price

range $54.34 – $166.65

Typical copayment $31.53 (range $13.58 – $41.66)

Most-billed visit code 99204

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.

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.

AUDREY LOUISE FREEDMAN DO

Student in an Organized Health Care Education/Training Program