Dr. Ommar T. Hla, MD
- Medicare services, 2024
- 1,238
- Medicare patients, 2024
- 298
- Part D claims, 2018
- 12
- Hospital affiliations
- 1
- Industry payments
- $312
- Practice address
- 1165 Montgomery Dr, Santa Rosa, CA 95405
- Practice phone
- Call (707) 525-5300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hla's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Ommar T. Hla is a radiation oncologist in Santa Rosa, California
Dr. Hla practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services.
Dr. Hla's NPI, 1942225511, was assigned on July 13, 2006. Dr. Hla graduated from Rush Medical College of Rush University in 1990. Dr. Hla holds Illinois license 036091671.
- NPI
- 1942225511NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638177322
- NPI enumeration date
- July 13, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (707) 525-5300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 62
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ommar T. Hla practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California
Dr. Hla's primary practice is Providence Santa Rosa Memorial Hospital, at 1165 Montgomery Dr, Santa Rosa, CA 95405 in Sonoma County. The practice phone is (707) 525-5300.
- Providence Santa Rosa Memorial Hospital1165 Montgomery Dr, Santa Rosa, CA 95405 · Sonoma CountyPhone(707) 525-5300
Source: Dmand AI Affiliation Data
Dr. Ommar T. Hla is affiliated with 1 site of care and 1 medical group
Dr. Hla's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services. The medical group on file is St. Jude Heritage Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ommar T. Hla's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hla practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Santa Rosa Memorial Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Providence Health & Services and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Ommar T. Hla is one of 685 radiation oncologists in California
Radiation oncology is Dr. Hla's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dmand AI has Dr. Hla's licenses on file in 2 states: Illinois and California.
Specialties and state licenses
- Radiation oncology, IllinoisPrimary
- California license
Radiation oncologists near Dr. Hla
Counts of radiation oncologists 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. Ommar T. Hla billed Medicare for 1,238 services in 2024
CMS data shows 1,238 Medicare services from Dr. Hla across 10 procedure codes in 2024, for 298 Medicare patients. Medicare paid $125,726 for them. Every service was in an office.
Dr. Hla's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 6722024: 6188%
- Other services
- 2023: 6722024: 57115%
- Office and hospital visits
- 2023: 142024: 49250%
Dr. Hla compared with the California median for radiation oncologists, 2024
- Dr. Hla
- California median
- Medicare services
- 1,238vs 1,44414% below
- Medicare patients
- 298vs 16482% above
- Part D claims
- 12vs 3263% below
Medians across 633 radiation oncologists in California with Dmand AI profiles that report each measure.
Dr. Hla'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ommar T. Hla treated 298 Medicare patients in 2024, average age 75
CMS counts 298 Medicare patients who saw Dr. Hla in 2024. The largest group is 65 to 74, with 143 patients. 75% of them have cancer, and 71% have high blood pressure. 23% are also on Medicaid. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Hla's median patient age at 76, with 40% women.
Dr. Hla's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hla's Medicare patients by sex, 2024
- Women12341%
- Men17559%
Chronic conditions among Dr. Hla's Medicare patients, 2024
- Cancer75%
- High blood pressure71%
- High cholesterol68%
- Arthritis40%
- Ischemic heart disease26%
- Mood disorders24%
- Chronic kidney disease22%
- Depression22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hla's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ommar T. Hla wrote 12 Medicare Part D claims in 2018
In 2018, Dr. Hla wrote 12 Medicare Part D claims. They cover 1 drug, with $272 in total drug cost. In 2017, CMS named 24 claims across 2 drugs.
Dr. Hla's most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 242018: 1250%
Drugs named by CMS: 1 in 2018, 2 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Ommar T. Hla takes part in Medicare
Dr. Hla accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Ommar T. Hla received $312 in industry payments from 2016 to 2020
CMS Open Payments shows 16 general payments to Dr. Hla from 11 drug and device companies from 2016 to 2020. Food and beverage make up the largest share, 90% of the total. Varian Medical Systems, Inc. paid the most, $94.
General payments to Dr. Hla by program year, 2016 to 2020
General payments to Dr. Hla by kind, 2016 to 2020
- Food and beverage$28090%
- Education$3310%
Companies that paid Dr. Hla the most, 2016 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ommar T. Hla graduated from Rush Medical College of Rush University
Dr. Hla graduated from Rush Medical College of Rush University in 1990.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ommar T. Hla's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Ommar T. Hla
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. Ommar T. Hla's NPI number?
Dr. Ommar T. Hla's NPI number is 1942225511. It was assigned on July 13, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Ommar T. Hla?
Dr. Ommar T. Hla is a radiation oncologist in Santa Rosa, California. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).
Where does Dr. Ommar T. Hla practice?
Dr. Hla practices at 1165 Montgomery Dr, Santa Rosa, CA 95405. Dr. Hla's primary practice is Providence Santa Rosa Memorial Hospital in Santa Rosa, California, part of Providence Health & Services.
What is Dr. Ommar T. Hla's office phone number?
The practice phone on file for Dr. Hla is (707) 525-5300.
What is Dr. Ommar T. Hla's medical license number?
Dr. Hla holds Illinois license 036091671, one of the licenses on file in 2 states.
Which states has Dr. Ommar T. Hla been licensed in?
Dmand AI has state licenses on file for Dr. Hla in Illinois and California.
Which hospitals is Dr. Ommar T. Hla affiliated with?
Dr. Hla practices at Providence Santa Rosa Memorial Hospital in Santa Rosa, California.
What medical group is Dr. Ommar T. Hla part of?
Dr. Hla is linked to St. Jude Heritage Medical Group.
Does Dr. Ommar T. Hla accept Medicare?
Yes. CMS data shows Dr. Hla billed Medicare for 1,238 services in 2024, and Dr. Hla accepts Medicare assignment.
How many Medicare patients does Dr. Ommar T. Hla see?
CMS counts 298 Medicare patients who saw Dr. Hla in 2024, with an average age of 75.
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What services does Dr. Ommar T. Hla bill to Medicare?
In 2024, Dr. Hla's most billed Medicare services were radiation oncology (77014), medicare service (G6002) and medicare service (G6015).
Where did Dr. Ommar T. Hla go to medical school?
Dr. Hla graduated from Rush Medical College of Rush University in 1990.
What drugs does Dr. Ommar T. Hla prescribe most?
In 2018 Medicare Part D data, Dr. Hla's most prescribed drugs by claims were Ssd.
Has Dr. Ommar T. Hla received payments from drug or device companies?
CMS Open Payments shows $312 in general payments to Dr. Hla from 11 companies from 2016 to 2020. The largest total came from Varian Medical Systems, Inc.
How long has Dr. Ommar T. Hla been practicing?
Dr. Hla graduated from medical school in 1990, 36 years ago.
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