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TIMOTHY O'BRIEN MD
NPI 1487728937
Internal Medicine - Hematology & Oncology in Cleveland, OH

Active since November 17, 2006PECOS EnrolledAccepts Medicare Assignment
2500 METROHEALTH DR, MHMC-MEDICINE, CLEVELAND, OH 44109(216) 778-5802 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Timothy O'brien Md NPPES

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

TIMOTHY O'BRIEN MD (NPI 1487728937) is an individual hematology & oncology provider in Cleveland, Ohio, licensed in Ohio (35063278) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS, is affiliated with Parma Community General Hospital, and is a graduate of University Of Rochester School Of Medicine And Dentistry (1989).

NPPES Registry Identity

NPI1487728937
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameTIMOTHY O'BRIENCredential: MD
Location Address2500 METROHEALTH DR, MHMC-MEDICINECleveland, OH 44109-1900
Mailing Address2500 Metrohealth Dr, Mhmc-medicineCleveland, OH 44109-1900 · (216) 778-5802
Phone(216) 778-5802
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 1989
Enumeration DateNovember 17, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1487728937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in OH · 35063278
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
2500 METROHEALTH DR, Cleveland, OH 44109
Open in Google Maps ↗

Other Identifiers 3

Medicare ID-Type UnspecifiedOB7277821OH
Medicaid0931586OH
Medicare UPINF37003OH

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

Timothy O'brien 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 ID8527193168
PECOS Enrollment IDI20100322000011
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 Timothy O'brien reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Metrohealth System
0.1 mi
Multi-Specialty
2500 METROHEALTH DR
Cleveland, OH 44109
  • Reassigned Medicare billing, Ohio enrollment
  • 2,147 clinicians in this Medicare group
NPI 1053353896 (216) 957-2442
University Hospitals Medical Group Inc
5.5 mi
Multi-Specialty
11100 EUCLID AVE
Cleveland, OH 44106
  • Reassigned Medicare billing, Ohio enrollment
  • 3,958 clinicians in this Medicare group
NPI 1669499414 (216) 844-1000

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 2

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 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.
48 services17 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 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Parma Community General Hospital

Acute Care Hospitals · Parma, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360041
Location7007 Powers BoulevardParma, OH 44129 · Cuyahoga County

University Hospitals Portage Medical Center

Acute Care Hospitals · Ravenna, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360078
Location6847 N ChestnutRavenna, OH 44266 · Portage County
Emergency services

Uh St John Medical Center

Acute Care Hospitals · Westlake, OH
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360123
Location29000 Center Ridge RoadWestlake, OH 44145 · Cuyahoga County
Emergency services

Uh Cleveland Medical Center

Acute Care Hospitals · Cleveland, OH
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number360137
Location11100 Euclid AvenueCleveland, OH 44106 · Cuyahoga County
Emergency services Birthing friendly

Uhhs Memorial Hospital Of Geneva

Critical Access Hospitals · Geneva, OH
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number361307
Location870 West Main StreetGeneva, OH 44041 · Ashtabula County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44109 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
$166.65 typical visit price
range $54.34 – $166.65
Typical copayment $41.66 (range $13.58 – $41.66)
Most-billed visit code 99205
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.

AMIR RAZAVI MD
Internal Medicine
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-7800
WILLIAM STEPHEN BARNES II DMD
Dentist (Oral and Maxillofacial Surgery)
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-7800
CATHERINE V. DABRAMO MD
Emergency Medicine
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-7800
RHONDA KOCINSKI CNP
Nurse Practitioner (Family)
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-7800
DR. VANESSA PHILLIS HO MD
Surgery (Surgical Critical Care)
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-7800
DR. JOI S. COPELAND DDS
Dentist (General Practice)
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-4725
DR. FRANK KENNER PH.D.
Psychologist (Rehabilitation)
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-7800
DR. KRUPA PARIKH MD
Internal Medicine
2500 METROHEALTH DR
CLEVELAND, OH 44109
Cuyahoga County (216) 778-7800

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 Timothy O'brien's NPI number?

The NPI number for Timothy O'brien is 1487728937. It was assigned to this individual provider in the NPPES registry on November 17, 2006.

Where is Timothy O'brien located?

Timothy O'brien practices at 2500 Metrohealth Dr Mhmc-Medicine, Cleveland, OH 44109. The listed phone number is (216) 778-5802.

What is Timothy O'brien's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Timothy O'brien enrolled in Medicare?

Yes. Timothy 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 Timothy O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy O'brien reassigns Medicare benefits to 2 organizations: The Metrohealth System (Cleveland, OH) and University Hospitals Medical Group Inc (Cleveland, 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 Timothy O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy O'brien accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Antidote Health Plan of Ohio, Inc. and 2 other insurers list Timothy 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 Timothy O'brien affiliated with any hospitals?

According to CMS data, Timothy O'brien is affiliated with Parma Community General Hospital, University Hospitals Portage Medical Center, Uh St John Medical Center, Uh Cleveland Medical Center and Uhhs Memorial Hospital Of Geneva.

When was this NPI record last updated?

The NPPES record for Timothy O'brien was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.