OGNJEN KOSARAC M.D.
NPI 1114172632
Pathology - Anatomic Pathology & Clinical Pathology in Houston, TX

Active since November 25, 2008PECOS EnrolledAccepts Medicare Assignment
95.47/100
CMS Quality Rating
6565 FANNIN, M227, HOUSTON, TX 77030(713) 441-3490(713) 793-1603 Get Directions Write a Review

NPPES record last updated: March 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ognjen Kosarac M.d. NPPES

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

OGNJEN KOSARAC M.D. (NPI 1114172632) is an individual anatomic pathology & clinical pathology provider in Houston, Texas, licensed in Texas (P6439) and active in the NPI registry since November 2008. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of Other (1987).

NPPES Registry Identity

NPI1114172632
Entity TypeIndividualMale
Primary Taxonomy207ZP0102X
Provider Legal NameOGNJEN KOSARACCredential: M.D.
Location Address6565 FANNIN, M227Houston, TX 77030
Mailing AddressPo Box 4701Houston, TX 77210-4701 · (800) 288-8325
Fax(713) 793-1603
Sole ProprietorYes
Medical School CMSOtherGraduated 1987
Enumeration DateNovember 25, 2008
Last NPPES UpdateMarch 1, 2025
NPPES CertifiedMarch 1, 2025
NPI 1114172632 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in TX · P6439
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
6565 FANNIN, M227, Houston, TX 77030

Accepted 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

Ognjen Kosarac 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 ID244427185
PECOS Enrollment IDI20101206000111
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 10

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.

Pathology examination of tissue using a microscope, intermediate complexity 88305
A pathology examination of tissue with intermediate complexity involves studying a small sample of your body tissue under a microscope. This helps in identifying any abnormal cells or signs of disease. It's a detailed process requiring expert analysis to ensure accurate results.
598 services318 patients
Special stained specimen slides to examine tissue, each additional procedure 88341
Special stained specimen slides are used to analyze tissue in detail. In this process, extra procedures may be needed for a more thorough examination. These involve applying special stains to the tissue on slides, enhancing specific elements for closer study.
126 services33 patients
Special stained specimen slides to examine tissue, initial procedure 88342
This procedure involves the use of specially stained slides to examine tissue samples. The initial process involves obtaining a small tissue sample from your body. This sample is then placed on a slide and stained with special dyes to highlight different structures and elements. The stained slide is then examined under a microscope to help diagnose any potential health issues.
123 services108 patients
Pathology examination of tissue using a microscope, moderately high complexity 88307
A pathology examination of tissue with moderate complexity involves a detailed study of a small tissue sample from your body. Using a microscope, experts analyze the tissue's structure and cells to identify any abnormalities. This helps in diagnosing various health conditions accurately.
84 services60 patients
Pathology examination of tissue using a microscope, moderately low complexity 88304
A pathology examination of tissue, moderately low complexity, involves studying a small sample of your body tissue under a microscope. It helps to identify any abnormal cells or diseases. It's a routine procedure, not complex, and provides crucial insights for your diagnosis.
59 services52 patients
Preparation of tissue for examination by removing any calcium present 88311
This procedure involves treating tissue samples to remove any calcium, which can interfere with the examination. The tissue is soaked in a special solution that safely dissolves the calcium, leaving the tissue intact for accurate analysis. This helps in making precise diagnoses.
51 services42 patients

Hospital Affiliations CMS Care Compare 2

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

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77030 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

95.47/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

Other Providers at the Same Location NPPES 3

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

Student in an Organized Health Care Education/Training Program
6565 FANNIN, M227
HOUSTON, TX 77030
Student in an Organized Health Care Education/Training Program
6565 FANNIN, M227
HOUSTON, TX 77030
Pathology (Anatomic Pathology & Clinical Pathology)
6565 FANNIN, M227
HOUSTON, TX 77030

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 Ognjen Kosarac's NPI number?

The NPI number for Ognjen Kosarac is 1114172632. It was assigned to this individual provider in the NPPES registry on November 25, 2008.

Where is Ognjen Kosarac located?

Ognjen Kosarac practices at 6565 Fannin, M227, Houston, TX 77030. The listed phone number is (713) 441-3490.

What is Ognjen Kosarac's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Ognjen Kosarac enrolled in Medicare?

Yes. Ognjen Kosarac 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 Ognjen Kosarac accept?

Health plans from Molina Healthcare list Ognjen Kosarac 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 Ognjen Kosarac affiliated with any hospitals?

According to CMS data, Ognjen Kosarac is affiliated with Houston Methodist Hospital and Houston Methodist Sugarland Hospital.

When was this NPI record last updated?

The NPPES record for Ognjen Kosarac was last updated on March 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.