Dr. Nora Lia Ostrzega, MD

  • Los Angeles, CA
  • Pathologist
NPI1326075672PAC ID5092732917
Medicare services, 2024
336
Medicare patients, 2024
112
Publications
2
MIPS score, 2024
92
Hospital affiliations
1
Practice address
757 Westwood Plaza, Los Angeles, CA 90095
Practice phone
Call (310) 825-6301
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Ronald Reagan UCLA Medical Center

Hospital · Los Angeles, California

See all 4 affiliations

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Dr. Nora Lia Ostrzega is a pathologist in Los Angeles, California

Dr. Ostrzega practices at Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health.

Dr. Ostrzega's NPI, 1326075672, was assigned on June 26, 2006. Dr. Ostrzega graduated from Universidad Nacional de Cordoba in 1975. Dr. Ostrzega holds California license A51067.

NPI and contact details
Medicare PAC ID
5092732917
NPI enumeration date
June 26, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(310) 825-6301
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
77
Medical school graduation
1975

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Nora Lia Ostrzega practices at Ronald Reagan UCLA Medical Center in Los Angeles, California

Dr. Ostrzega's primary practice is Ronald Reagan UCLA Medical Center, at 757 Westwood Plaza, Los Angeles, CA 90095 in Los Angeles County. The practice phone is (310) 825-6301.

Source: Dmand AI Affiliation Data

Dr. Nora Lia Ostrzega is affiliated with 2 sites of care and 2 medical groups

Dr. Ostrzega's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. The medical group on file is Harbor-UCLA Medical Center. Dmand AI also links Dr. Ostrzega to 1 more group practice or clinic and 1 medical group, each named with a free account.

See all 4 affiliations for Dr. Ostrzega

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Nora Lia Ostrzega's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ostrzega practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Ronald Reagan UCLA Medical CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Nora Lia Ostrzega is one of 297 pathologists in California

Anatomic pathology is Dr. Ostrzega's primary specialty in the NPI Registry, under taxonomy code 207ZP0101X. Dr. Ostrzega is board certified in anatomic pathology by the American Board of Pathology. Dr. Ostrzega is licensed in California.

Specialties and state licenses

  • Anatomic pathology, CaliforniaPrimaryLicense A51067 · 1992 to 2026 · taxonomy 207ZP0101X

Pathologists near Dr. Ostrzega

Counts of pathologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Nora Lia Ostrzega billed Medicare for 336 services in 2024

CMS data shows 336 Medicare services from Dr. Ostrzega across 4 procedure codes in 2024, for 112 Medicare patients. Medicare paid $11,903 for them.

Medicare services, 2024336
Medicare patients112
Paid by Medicare$11,903
Procedure codes4

Dr. Ostrzega's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Lab and pathology
2023: 6042024: 33644%

Where Dr. Ostrzega's Medicare services took place, 2024

  • In an office9629%
  • In a facility24071%

Dr. Ostrzega compared with the California median for pathologists, 2024

  • Dr. Ostrzega
  • California median
Medicare services
336vs 67850% below
Medicare patients
112vs 24154% below

Medians across 211 pathologists in California with Dmand AI profiles that report each measure.

Dr. Ostrzega's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Ostrzega

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Nora Lia Ostrzega treated 112 Medicare patients in 2024, average age 69

CMS counts 112 Medicare patients who saw Dr. Ostrzega in 2024. The largest group is 65 to 74, with 60 patients. 74% of them have high cholesterol, and 66% have high blood pressure. 28% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Ostrzega's median patient age at 40, with 92% women.

Medicare patients, 2024112
Average age69
Average risk score1.38
Also on Medicaid28%

Dr. Ostrzega's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Ostrzega's Medicare patients, 2024

  1. High cholesterol74%
  2. High blood pressure66%
  3. Arthritis46%
  4. Cancer29%
  5. Mood disorders29%
  6. Anxiety28%
  7. Depression27%
  8. Diabetes27%

Share of Medicare patients with each condition. A patient can have several.

Dr. Ostrzega's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 40

Patient panel by sex, all payers

  • Women92%
  • Men7%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Nora Lia Ostrzega scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Ostrzega for performance year 2024, reported as part of a group. Dr. Ostrzega accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Dr. Ostrzega's MIPS scores, performance year 2024

  • 92of 100Final score
  • 79.4of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. Nora Lia Ostrzega has 2 publications on record

Dmand AI links 2 papers to Dr. Ostrzega. Dr. Ostrzega's most frequent co-authors are Lee Harold Hilborne, MD, Paul I. Liu, MD and Julia Phillipson, MD.

Papers2

Dr. Ostrzega's most frequent co-authors

Recent publications by Dr. Ostrzega

See all 2 publications and co-authors

See who Dr. Ostrzega researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ostrzega works with, so you can find a warm path to the right pathologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Nora Lia Ostrzega received $50 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Ostrzega from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Biosense Webster, Inc. paid the most, $50.

Companies that paid Dr. Ostrzega the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Ostrzega

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Nora Lia Ostrzega graduated from Universidad Nacional de Cordoba

Dr. Ostrzega graduated from Universidad Nacional de Cordoba in 1975.

  1. Medical schoolUniversidad Nacional de Cordoba
  2. Board certified in anatomic pathologyAmerican Board of Pathology

Source: Dmand AI Professional Profile Data

Dr. Nora Lia Ostrzega accepts plans from 4 insurance carriers

Dr. Ostrzega is in network with 4 carriers, including Elevance, United Healthcare and Blue Cross and Blue Shield of Kansas City. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

  • Elevance
  • United Healthcare
  • Blue Cross and Blue Shield of Kansas City
  • CMS Medicare

Plan types Dr. Ostrzega accepts, by number of carriers

  1. EPO2
  2. HMO2
  3. POS2
  4. Medicare1
  5. PPO1

Source: Dmand AI Insurance Network Data

Sources for Dr. Nora Lia Ostrzega's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Nora Lia Ostrzega

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Nora Lia Ostrzega's NPI number?

Dr. Nora Lia Ostrzega's NPI number is 1326075672. It was assigned on June 26, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Nora Lia Ostrzega?

Dr. Nora Lia Ostrzega is a pathologist in Los Angeles, California. The primary specialty in the NPI Registry is Anatomic Pathology Physician (taxonomy code 207ZP0101X).

Where does Dr. Nora Lia Ostrzega practice?

Dr. Ostrzega practices at 757 Westwood Plaza, Los Angeles, CA 90095. Dr. Ostrzega's primary practice is Ronald Reagan UCLA Medical Center in Los Angeles, California, part of University of California Health. Dmand AI also links Dr. Ostrzega to 1 group practice or clinic and 1 medical group.

What is Dr. Nora Lia Ostrzega's office phone number?

The practice phone on file for Dr. Ostrzega is (310) 825-6301.

What is Dr. Nora Lia Ostrzega's medical license number?

Dr. Ostrzega holds California license A51067.

Which hospitals is Dr. Nora Lia Ostrzega affiliated with?

Dr. Ostrzega practices at Ronald Reagan UCLA Medical Center in Los Angeles, California.

What medical group is Dr. Nora Lia Ostrzega part of?

Dr. Ostrzega is linked to Harbor-UCLA Medical Center. Dmand AI links Dr. Ostrzega to 1 more medical group.

Does Dr. Nora Lia Ostrzega accept Medicare?

Yes. CMS data shows Dr. Ostrzega billed Medicare for 336 services in 2024, and Dr. Ostrzega accepts Medicare assignment.

What is Dr. Nora Lia Ostrzega's MIPS score?

Dr. Ostrzega's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. Nora Lia Ostrzega see?

CMS counts 112 Medicare patients who saw Dr. Ostrzega in 2024, with an average age of 69.

Show 8 more questionsShow fewer questions

Is Dr. Nora Lia Ostrzega board certified?

Yes. Dr. Ostrzega is board certified in anatomic pathology by the American Board of Pathology.

What services does Dr. Nora Lia Ostrzega bill to Medicare?

In 2024, Dr. Ostrzega's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).

Where did Dr. Nora Lia Ostrzega go to medical school?

Dr. Ostrzega graduated from Universidad Nacional de Cordoba in 1975.

Has Dr. Nora Lia Ostrzega received payments from drug or device companies?

CMS Open Payments shows $50 in general payments to Dr. Ostrzega from 1 company from 2024 to 2024. The largest total came from Biosense Webster, Inc.

How long has Dr. Nora Lia Ostrzega been practicing?

Dr. Ostrzega graduated from medical school in 1975, 51 years ago.

Does Dr. Nora Lia Ostrzega do research?

Dmand AI links 2 publications to Dr. Ostrzega.

Who does Dr. Nora Lia Ostrzega publish with?

Dr. Ostrzega's most frequent co-authors are Lee Harold Hilborne, MD (1 shared paper), Paul I. Liu, MD (1 shared paper) and Julia Phillipson, MD (1 shared paper).

What insurance does Dr. Nora Lia Ostrzega accept?

Dr. Ostrzega is in network with 4 carriers, including Elevance, United Healthcare and Blue Cross and Blue Shield of Kansas City. EPO plans come from the most carriers, 2. Check the plan with the practice before a visit.

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