Dr. Cullen Hoos, MD
- Medicare services, 2024
- 966
- Medicare patients, 2024
- 354
- Part D claims, 2024
- 485
- MIPS score, 2024
- 89
- Hospital affiliations
- 1
- 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. Hoos' professional email, personal email and mobile number
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Dr. Cullen Hoos is an internist in Saint Louis, Missouri
Dr. Hoos practices at Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy.
Dr. Hoos' NPI, 1154973436, was assigned on July 16, 2019. Dr. Hoos holds Missouri license 2024039249.
- NPI
- 1154973436NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8325374879
- NPI enumeration date
- July 16, 2019
- 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
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Cullen Hoos practices at Mercy Hospital St. Louis in Saint Louis, Missouri
Dr. Hoos' 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. Cullen Hoos is affiliated with 1 site of care and 6 medical groups
Dr. Hoos' primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. The medical group on file is Mercy Hospital St. Louis. Dmand AI also links Dr. Hoos to 5 more medical groups, 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. Cullen Hoos' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hoos practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mercy Hospital St. Louis | Available with a free account |
| +5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cullen Hoos is one of 2,114 internists in Missouri
Internal medicine is Dr. Hoos' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Hoos' licenses on file in 2 states: Missouri and Illinois.
Specialties and state licenses
- Internal medicine, MissouriPrimary
- Hospitalist, Illinois
Internists near Dr. Hoos
Counts of internists 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. Cullen Hoos billed Medicare for 966 services in 2024
CMS data shows 966 Medicare services from Dr. Hoos across 4 procedure codes in 2024, for 354 Medicare patients. Medicare paid $73,675 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hoos' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,2922024: 96625%
Dr. Hoos compared with the Missouri median for internists, 2024
- Dr. Hoos
- Missouri median
- Medicare services
- 966vs 53082% above
- Medicare patients
- 354vs 21168% above
- Part D claims
- 280vs 32514% below
Medians across 2,076 internists in Missouri with Dmand AI profiles that report each measure.
Dr. Hoos' 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. Cullen Hoos treated 354 Medicare patients in 2024, average age 77
CMS counts 354 Medicare patients who saw Dr. Hoos in 2024. The largest group is 75 to 84, with 124 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.31, 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. Hoos' median patient age at 71, with 55% women.
Dr. Hoos' Medicare patients by age, 2024
Dr. Hoos' Medicare patients by sex, 2024
- Women19655%
- Men15845%
Chronic conditions among Dr. Hoos' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease56%
- Chronic kidney disease50%
- Heart failure50%
- COPD49%
- Diabetes45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hoos' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cullen Hoos wrote 485 Medicare Part D claims in 2024
In 2024, Dr. Hoos wrote 485 Medicare Part D claims for 222 patients. 90% of them were for generic drugs. CMS names the drug for 280 of them, across 11 drugs with 11 or more claims each, at $3,836 in total drug cost. In 2023, CMS named 290 claims across 10 drugs.
Dr. Hoos' Part D claims by kind of drug, 2024
- Generic437 claims90%
- Brand-name48 claims10%
Dr. Hoos' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Hoos' Part D claims, 2024
- Opioids7%32 of 485 claims
- Antibiotics36%176 of 485 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2902024: 2803%
Drugs named by CMS: 11 in 2024, 10 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Cullen Hoos scored 89 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 89 out of 100 for Dr. Hoos for performance year 2024, reported through an alternative payment model (APM). Dr. Hoos accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Hoos' MIPS scores, performance year 2024
- 89of 100Final score
- 75.6of 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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Sources for Dr. Cullen Hoos'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)Medicare Part D Prescribers - 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Cullen Hoos
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. Cullen Hoos' NPI number?
Dr. Cullen Hoos' NPI number is 1154973436. It was assigned on July 16, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Cullen Hoos?
Dr. Cullen Hoos is an internist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Cullen Hoos practice?
Dr. Hoos practices at 615 New Ballas Road, Saint Louis, MO 63141. Dr. Hoos' primary practice is Mercy Hospital St. Louis in Saint Louis, Missouri, part of Mercy. Dmand AI also links Dr. Hoos to 5 medical groups.
What is Dr. Cullen Hoos' office phone number?
The practice phone on file for Dr. Hoos is (314) 251-6000.
What is Dr. Cullen Hoos' medical license number?
Dr. Hoos holds Missouri license 2024039249, one of the licenses on file in 2 states.
Which states has Dr. Cullen Hoos been licensed in?
Dmand AI has state licenses on file for Dr. Hoos in Missouri and Illinois.
Which hospitals is Dr. Cullen Hoos affiliated with?
Dr. Hoos practices at Mercy Hospital St. Louis in Saint Louis, Missouri.
What medical group is Dr. Cullen Hoos part of?
Dr. Hoos is linked to Mercy Hospital St. Louis. Dmand AI links Dr. Hoos to 5 more medical groups.
Does Dr. Cullen Hoos accept Medicare?
Yes. CMS data shows Dr. Hoos billed Medicare for 966 services in 2024, and Dr. Hoos accepts Medicare assignment.
What is Dr. Cullen Hoos' MIPS score?
Dr. Hoos' MIPS final score for performance year 2024 is 89 out of 100, reported through an alternative payment model (APM).
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How many Medicare patients does Dr. Cullen Hoos see?
CMS counts 354 Medicare patients who saw Dr. Hoos in 2024, with an average age of 77.
What services does Dr. Cullen Hoos bill to Medicare?
In 2024, Dr. Hoos' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99233).
What drugs does Dr. Cullen Hoos prescribe most?
In 2024 Medicare Part D data, Dr. Hoos' most prescribed drugs by claims were Prednisone, Cefpodoxime Proxetil and Azithromycin.
How long has Dr. Cullen Hoos been practicing?
Dr. Hoos graduated from medical school in 2019, 7 years ago.
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