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

MARK A OSHAUGHNESSY MD
NPI 1962494138
Internal Medicine - Cardiovascular Disease in Fort Wayne, IN

Q: What is Mark Oshaughnessy's NPI number?

The NPI number for Mark Oshaughnessy is 1962494138. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Q: What is Mark Oshaughnessy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Oshaughnessy was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.

Active since August 15, 2005PECOS EnrolledAccepts Medicare Assignment

81.23/100

CMS Quality Rating

11108 PARKVIEW CIRCLE DR, FORT WAYNE, IN 46845(260) 266-5700(260) 266-5920 Get Directions Write a Review

NPPES record last updated: July 9, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jul 9, 2026, Oct 7, 2022, Mar 30, 2021 (3 updates tracked since 2021).

On this page

About Mark A Oshaughnessy Md NPPES

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

MARK A OSHAUGHNESSY MD (NPI 1962494138) is an individual cardiovascular disease provider in Fort Wayne, Indiana, licensed in Indiana (01036828A) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with Parkview Regional Medical Center, and maintains a secondary practice location in Wabash.

NPPES Registry Identity

NPI1962494138

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameMARK A OSHAUGHNESSYCredential: MD

Location Address11108 PARKVIEW CIRCLE DRFort Wayne, IN 46845-1730

Mailing Address11109 Parkview Plaza Dr # 117Fort Wayne, IN 46845-1701

Phone(260) 266-5700

Fax(260) 266-5920

Sole ProprietorNo

Medical School CMSIndiana University School Of MedicineGraduated 1987

Enumeration DateAugust 15, 2005

Last NPPES UpdateJuly 9, 20263 updates tracked since enumeration

NPPES CertifiedJuly 9, 2026

✔ NPI 1962494138 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in IN · 01036828A

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

11108 PARKVIEW CIRCLE DR, Fort Wayne, IN 46845

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Secondary Practice Location 1

Location 18 John Kissinger DrWabash, IN 46992-1648 · Phone (260) 269-2207 · Fax (260) 569-2994

Other Identifiers 5

Medicaid0977073OH

Other060070577IN · Rr Medicare

Other000000641092IN · Anthem

OtherP00786839IN · R.r. Medicare

Medicaid100462760IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mark A Oshaughnessy Md 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 ID5799708343

PECOS Enrollment IDI20060110000093

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.

Areas of Expertise CMS Part B claims 27

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.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

927 services920 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.

377 services328 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.

218 services211 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

131 services129 patients

Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional 93272

An Electrocardiogram (ECG) is a test that records the electrical activity of your heart. For up to 30 days, a device will continuously monitor your heart's rhythm, noting any symptoms. The data is sent to a healthcare professional who reviews it and provides a report on your heart health.

124 services124 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

120 services118 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

120 services118 patients

Ultrasound study of arm and leg arteries 93922

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

102 services98 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

91 services91 patients

Electrocardiogram (ecg) up to 30 days continuous with review and report by health care professional 93228

An Electrocardiogram (ECG) is a non-invasive test that records the electrical signals in your heart. For up to 30 days, a small device will continuously monitor your heart's activity. A healthcare professional will then review the data and provide a report on your heart's function.

81 services81 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

This procedure involves using sound waves to create images of your aorta, vena cava, groin vessels, or bypass grafts. It helps to detect abnormalities or blockages, ensuring your blood flows smoothly. It's painless and non-invasive.

78 services77 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing 93005

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

70 services70 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

69 services66 patients

Ultrasound of one leg arteries or artery grafts 93926

An ultrasound of leg arteries or artery grafts is a non-invasive test using sound waves to create images of your blood vessels. This helps doctors assess blood flow, identify blockages, and monitor the health of grafts.

68 services63 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

62 services62 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

59 services59 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

58 services58 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

58 services58 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

50 services49 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

50 services36 patients

Ultrasound of one side of head and neck blood flow 93882

An ultrasound of one side of the head and neck blood flow is a non-invasive procedure that uses sound waves to create images of blood vessels. It helps identify any blockages or abnormalities in blood flow, aiding in early detection of potential health issues.

43 services40 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227

An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.

31 services31 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

21 services12 patients

Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 93978

16 services16 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

13 services13 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

13 services13 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report 93351

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

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

Parkview Regional Medical Center

Acute Care Hospitals · Fort Wayne, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150021

Location11109 Parkview Plaza DriveFort Wayne, IN 46845 · Allen County

Emergency services Birthing friendly

Parkview Dekalb Hospital

Acute Care Hospitals · Auburn, IN

OwnershipVoluntary non-profit - Private

CMS Certification Number150045

Location1316 E Seventh StAuburn, IN 46706 · De Kalb County

Emergency services Birthing friendly

Parkview Whitley Hospital

Acute Care Hospitals · Columbia City, IN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150101

Location1260 E Sr 205Columbia City, IN 46725 · Whitley County

Emergency services Birthing friendly

Parkview Wabash Hospital, Inc

Critical Access Hospitals · Wabash, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number151310

Location10 John Kissinger DriveWabash, IN 46992 · Wabash County

Emergency services Birthing friendly

Parkview Lagrange Hospital

Critical Access Hospitals · Lagrange, IN

OwnershipVoluntary non-profit - Private

CMS Certification Number151323

Location207 N Townline RdLagrange, IN 46761 · Lagrange County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46845 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

$122.49 typical visit price

range $53.07 – $161.76

Typical copayment $30.62 (range $13.26 – $40.44)

Most-billed visit code 99204

Established Patient

$66.48 typical visit price

range $16.93 – $132.22

Typical copayment $16.62 (range $4.23 – $33.05)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.23/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

68.95

Promoting Interoperability

100

Improvement Activities

Cost

68.49

Referred Medical Equipment & Supplies CMS DME claims 5

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

Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately) A4221

DME-Other DME · category DE017N

1 supplier31 claims31 services$18.99 avg. paid by Medicare

Infusion supplies for external drug infusion pump, per cassette or bag (list drugs separately) A4222

DME-Medical/Surgical Supplies · category DA000N

1 supplier32 claims221 services$38.32 avg. paid by Medicare

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431

DME-Oxygen and Supplies · category DC000N

1 supplier42 claims42 services$17.64 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 supplier59 claims59 services$96.04 avg. paid by Medicare

Injection, dobutamine hydrochloride, per 250 mg J1250

Treatment-Injections and Infusions (nononcologic) · category RI000N

1 supplier32 claims218 services$5.11 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.

SHANNON L DECKER

Nurse Practitioner

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

DAVID P LLOYD MD

Thoracic Surgery (Cardiothoracic Vascular Surgery)

11108 PARKVIEW CIRCLE DR, SUITE 5100
FORT WAYNE, IN 46845

Allen County (260) 266-2800

HOLLACE D CHASTAIN MD

Internal Medicine (Interventional Cardiology)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

DR. MARYAM NOURELDIN PHARMD, BCPS

Pharmacist (Ambulatory Care)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-4480

VAISHALI A PATEL

Nurse Practitioner

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

WILLIAM W WILSON MD

Internal Medicine (Cardiovascular Disease)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

MICHAEL J MIRRO MD

Internal Medicine (Cardiovascular Disease)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

DR. NOAH BUDI PHARMD.

Pharmacist (Ambulatory Care)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-4480

JAMES J HEGER MD

Internal Medicine (Cardiovascular Disease)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

DR. DANIEL W HUGENBERG M.D.

Internal Medicine (Interventional Cardiology)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

BRADLEY A HARDIN MD

Internal Medicine (Clinical Cardiac Electrophysiology)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

JONATHAN T SHIRAZI M.D.

Internal Medicine (Clinical Cardiac Electrophysiology)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

RONALD J LANDIN MD

Internal Medicine (Cardiovascular Disease)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

KARIN L MOHS NP-C

Nurse Practitioner

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

HANNAH GABRIELLE BERCOT

Dietitian, Registered

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

JESSICA M BARKDULL NP

Nurse Practitioner

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

CHRISTOPHER CHARLES SMITSON

Internal Medicine (Interventional Cardiology)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

BASIL C GENETOS MD

Internal Medicine (Cardiovascular Disease)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

DR. MICHAEL K CHEEZUM M.D.

Internal Medicine (Cardiovascular Disease)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

T ERIC WHITE MD

Internal Medicine (Interventional Cardiology)

11108 PARKVIEW CIRCLE DR
FORT WAYNE, IN 46845

Allen County (260) 266-5700

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 Mark Oshaughnessy's NPI number?

The NPI number for Mark Oshaughnessy is 1962494138. It was assigned to this individual provider in the NPPES registry on August 15, 2005.

Where is Mark Oshaughnessy located?

Mark Oshaughnessy practices at 11108 Parkview Circle Dr, Fort Wayne, IN 46845. The listed phone number is (260) 266-5700.

What is Mark Oshaughnessy's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mark Oshaughnessy enrolled in Medicare?

Yes. Mark Oshaughnessy 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.

What insurance does Mark Oshaughnessy accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource list Mark Oshaughnessy 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.

Is Mark Oshaughnessy affiliated with any hospitals?

According to CMS data, Mark Oshaughnessy is affiliated with Parkview Regional Medical Center, Parkview Dekalb Hospital, Parkview Whitley Hospital, Parkview Wabash Hospital, Inc and Parkview Lagrange Hospital.

When was this NPI record last updated?

The NPPES record for Mark Oshaughnessy was last updated on July 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.