DR. THOMAS M. O'BRIEN M.D.
NPI 1003844366
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Liberty Township, OH

Q: What is Thomas O'brien's NPI number?

The NPI number for Thomas O'brien is 1003844366. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Q: What is Thomas O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Q: When was this NPI record last updated?

The NPPES record for Thomas O'brien was last updated on June 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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 June 28, 2006PECOS EnrolledAccepts Medicare Assignment

81.25/100

CMS Quality Rating

7335 YANKEE RD, SU. 201, LIBERTY TOWNSHIP, OH 45044(513) 206-1460(513) 206-1479 Get Directions Write a Review

NPPES record last updated: June 21, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Thomas M. O'brien M.d. NPPES

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

DR. THOMAS M. O'BRIEN M.D. (NPI 1003844366) is an individual advanced heart failure and transplant cardiology provider in Liberty Township, Ohio, licensed in Ohio (35082223) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Fort Hamilton Hughes Memorial Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (2001).

NPPES Registry Identity

NPI1003844366

Entity TypeIndividualMale

Primary Taxonomy207RA0001X

Provider Legal NameDR. THOMAS M. O'BRIENCredential: M.D.

Location Address7335 YANKEE RD, SU. 201Liberty Township, OH 45044-0006

Mailing Address237 William Howard Taft Rd, 2nd Floor, Cbo 2-3Cincinnati, OH 45219-2610 · (513) 206-1180 · Fax (513) 206-1182

Phone(513) 206-1460

Fax(513) 206-1479

Sole ProprietorNo

Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2001

Enumeration DateJune 28, 2006

Last NPPES UpdateJune 21, 2016

✔ NPI 1003844366 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RA0001X

License✔ Licensed in OH · 35082223

Definition

Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 35082223O (OH)

7335 YANKEE RD, Liberty Township, OH 45044

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Other Identifiers 2

Medicaid2833643OH

Medicare PINOB4271271OH

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Thomas M. O'brien M.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 ID749367530

PECOS Enrollment IDI20080403000181

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 Thomas O'brien reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Premier Health Specialists Inc

8.5 mi

Psychologist

5900 LONG MEADOW DR, SUITE 300
Middletown, OH 45005

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

NPI 1831466986 (937) 478-0749

The Christ Hospital Cardiovascular Associates LLC

19 mi

Cardiovascular Disease

2139 AUBURN AVE
Cincinnati, OH 45219

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

NPI 1497901458 (513) 721-8881

Kettering Independent Medical Group Inc

19 mi

Orthopaedic Surgery

1 PRESTIGE PL, SUITE 910
Miamisburg, OH 45342

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

NPI 1629387865 (937) 762-1629

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 13

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.

629 services433 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

299 services285 patients

Evaluation of lower heart chamber assist device 93750

An evaluation of a lower heart chamber assist device is a procedure to check the function of an implanted device aiding your heart's lower chambers. This helps ensure optimal heart function by monitoring the device's performance and your heart's response to it.

47 services16 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

45 services21 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.

42 services42 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.

38 services38 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

35 services31 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

31 services29 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.

29 services18 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.

28 services26 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.

19 services19 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

18 services17 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

14 services11 patients

Hospital Affiliations CMS Care Compare 3

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

Fort Hamilton Hughes Memorial Hospital

Acute Care Hospitals · Hamilton, OH

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360132

Location630 Eaton AvenueHamilton, OH 45013 · Butler County

Emergency services Birthing friendly

Christ Hospital

Acute Care Hospitals · Cincinnati, OH

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number360163

Location2139 Auburn AvenueCincinnati, OH 45219 · Hamilton County

Emergency services Birthing friendly

Bethesda North

Acute Care Hospitals · Cincinnati, OH

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number360179

Location10500 Montgomery RoadCincinnati, OH 45242 · Hamilton County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 45044 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.

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.

81.25/100

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

Scored as part of a group practice

Quality

79.93

Promoting Interoperability

100

Improvement Activities

Cost

57.57

Referred Medical Equipment & Supplies CMS DME claims 2

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

1 supplier12 claims12 services$15.21 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$69.20 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 5

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

OHIO RIVER DIALYSIS LLC

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)

7335 YANKEE RD
LIBERTY TOWNSHIP, OH 45044

Butler County (513) 423-8098

MR. GARRETT RYAN SEARCY M.D.

Pediatrics

7335 YANKEE RD
LIBERTY TOWNSHIP, OH 45044

Butler County (513) 336-6700

CIMARRON DIALYSIS LLC

Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)

7335 YANKEE RD, STE 101
LIBERTY TOWNSHIP, OH 45044

Butler County (513) 755-2524

DANIELLE HARTOIN

Nurse Practitioner

7335 YANKEE RD
LIBERTY TOWNSHIP, OH 45044

Butler County (513) 336-6700

ROSALYND D BRACKENS M.D.

Pediatrics

7335 YANKEE RD
LIBERTY TOWNSHIP, OH 45044

Butler County (513) 336-6700

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 Thomas O'brien's NPI number?

The NPI number for Thomas O'brien is 1003844366. It was assigned to this individual provider in the NPPES registry on June 28, 2006.

Where is Thomas O'brien located?

Thomas O'brien practices at 7335 Yankee Rd Su. 201, Liberty Township, OH 45044. The listed phone number is (513) 206-1460.

What is Thomas O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is Thomas O'brien enrolled in Medicare?

Yes. Thomas O'brien 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 organizations bill Medicare for Thomas O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas O'brien reassigns Medicare benefits to 3 organizations: Premier Health Specialists Inc (Middletown, OH), The Christ Hospital Cardiovascular Associates LLC (Cincinnati, OH) and Kettering Independent Medical Group Inc (Miamisburg, 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 Thomas O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thomas O'brien accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 3 other insurers list Thomas O'brien 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 Thomas O'brien affiliated with any hospitals?

According to CMS data, Thomas O'brien is affiliated with Fort Hamilton Hughes Memorial Hospital, Christ Hospital and Bethesda North.

When was this NPI record last updated?

The NPPES record for Thomas O'brien was last updated on June 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.