Dr. Karen G. Hyatt, MD
- Medicare services, 2024
- 1,680
- Medicare patients, 2024
- 1,466
- Hospital affiliations
- 5
- Industry payments
- $42
- Medical groups
- 10
- Practice address
- 615 New Ballas Road, Saint Louis, MO 63141
- Practice phone
- Call (314) 251-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hyatt's professional email, personal email and mobile number
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Dr. Karen G. Hyatt is a neuroradiologist in Saint Louis, Missouri
Dr. Hyatt practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Hyatt's NPI, 1306870951, was assigned on July 10, 2006. Dr. Hyatt graduated from Eastern Virginia Medical School in 1995. Dr. Hyatt holds Virginia license 0101055288.
- NPI
- 1306870951NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911971700
- NPI enumeration date
- July 10, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 251-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Karen G. Hyatt practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Hyatt's primary practice is Mercy Hospital St. Louis, at 615 New Ballas Road, Saint Louis, MO 63141 in St. Louis County. The practice phone is (314) 251-6000.
- Mercy Hospital St. Louis615 New Ballas Road, Saint Louis, MO 63141 · St. Louis CountyPhone(314) 251-6000
Source: Dmand AI Affiliation Data
Dr. Karen G. Hyatt is affiliated with 9 sites of care and 10 medical groups
Dr. Hyatt's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dr. Hyatt is also affiliated with Mercy Hospital South. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links Dr. Hyatt to 3 more hospitals, 9 medical groups and 4 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Karen G. Hyatt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hyatt practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +8 more sites and 9 medical groups | 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 Mercy and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Karen G. Hyatt is one of 34 neuroradiologists in Missouri
Neuroradiology is Dr. Hyatt's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dmand AI has Dr. Hyatt's licenses on file in 3 states: Virginia, Missouri and Tennessee.
Specialties and state licenses
- Neuroradiology, VirginiaPrimary
- Missouri license
- Diagnostic radiology, Tennessee
Neuroradiologists near Dr. Hyatt
Counts of neuroradiologists 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. Karen G. Hyatt billed Medicare for 1,680 services in 2024
CMS data shows 1,680 Medicare services from Dr. Hyatt across 39 procedure codes in 2024, for 1,466 Medicare patients. Medicare paid $47,321 for them.
Dr. Hyatt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 1,7922024: 1,6587%
- Other services
- 2023: 262024: 2215%
- Tests and treatments
- 2023: 242024: 0100%
Where Dr. Hyatt's Medicare services took place, 2024
- In an office1,48889%
- In a facility19211%
Dr. Hyatt compared with the Missouri median for neuroradiologists, 2024
- Dr. Hyatt
- Missouri median
- Medicare services
- 1,680vs 1,12449% above
- Medicare patients
- 1,466vs 87468% above
Medians across 32 neuroradiologists in Missouri with Dmand AI profiles that report each measure.
Dr. Hyatt'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.
Need commercial claims for Dr. Hyatt?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hyatt and other neuroradiologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Karen G. Hyatt treated 1,466 Medicare patients in 2024, average age 74
CMS counts 1,466 Medicare patients who saw Dr. Hyatt in 2024. The largest group is 65 to 74, with 705 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 9% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hyatt's median patient age at 64, with 73% women.
Dr. Hyatt's Medicare patients by age, 2024
Dr. Hyatt's Medicare patients by sex, 2024
- Women95465%
- Men51235%
Chronic conditions among Dr. Hyatt's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Diabetes31%
- Anxiety29%
- Chronic kidney disease29%
- Mood disorders29%
- Ischemic heart disease28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hyatt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women73%
- Men26%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Karen G. Hyatt takes part in Medicare
Dr. Hyatt 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. Karen G. Hyatt received $42 in industry payments from 2016 to 2023
CMS Open Payments shows 2 general payments to Dr. Hyatt from 2 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Haemonetics Corporation paid the most, $25.
General payments to Dr. Hyatt by program year, 2016 to 2023
Companies that paid Dr. Hyatt the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Karen G. Hyatt graduated from Eastern Virginia Medical School
Dr. Hyatt graduated from Eastern Virginia Medical School in 1995.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Karen G. Hyatt'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) |
| 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. Karen G. Hyatt
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. Karen G. Hyatt's NPI number?
Dr. Karen G. Hyatt's NPI number is 1306870951. It was assigned on July 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Karen G. Hyatt?
Dr. Karen G. Hyatt is a neuroradiologist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. Karen G. Hyatt practice?
Dr. Hyatt practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Hyatt's primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Hyatt to 3 hospitals, 9 medical groups and 4 group practices and clinics.
What is Dr. Karen G. Hyatt's office phone number?
The practice phone on file for Dr. Hyatt is (314) 251-6000.
What is Dr. Karen G. Hyatt's medical license number?
Dr. Hyatt holds Virginia license 0101055288, one of the licenses on file in 3 states.
Which states has Dr. Karen G. Hyatt been licensed in?
Dmand AI has state licenses on file for Dr. Hyatt in Virginia, Missouri and Tennessee.
Which hospitals is Dr. Karen G. Hyatt affiliated with?
Dr. Hyatt practices at Mercy Hospital St. Louis in Saint Louis, Missouri. Dr. Hyatt is also affiliated with Mercy Hospital South. Dmand AI links Dr. Hyatt to 3 more hospitals.
What medical group is Dr. Karen G. Hyatt part of?
Dr. Hyatt is linked to Vanderbilt University Medical Center. Dmand AI links Dr. Hyatt to 9 more medical groups.
Does Dr. Karen G. Hyatt accept Medicare?
Yes. CMS data shows Dr. Hyatt billed Medicare for 1,680 services in 2024, and Dr. Hyatt accepts Medicare assignment.
How many Medicare patients does Dr. Karen G. Hyatt see?
CMS counts 1,466 Medicare patients who saw Dr. Hyatt in 2024, with an average age of 74.
Show 4 more questionsShow fewer questions
What services does Dr. Karen G. Hyatt bill to Medicare?
In 2024, Dr. Hyatt's most billed Medicare services were radiation oncology (77067), radiation oncology (77063) and diagnostic imaging (72148).
Where did Dr. Karen G. Hyatt go to medical school?
Dr. Hyatt graduated from Eastern Virginia Medical School in 1995.
Has Dr. Karen G. Hyatt received payments from drug or device companies?
CMS Open Payments shows $42 in general payments to Dr. Hyatt from 2 companies from 2016 to 2023. The largest total came from Haemonetics Corporation.
How long has Dr. Karen G. Hyatt been practicing?
Dr. Hyatt graduated from medical school in 1995, 31 years ago.
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