Dr. Catherine Ann Hermann, MD
- Medicare services, 2024
- 78
- Medicare patients, 2024
- 82
- Part D claims, 2024
- 518
- Hospital affiliations
- 4
- Industry payments
- $32
- Practice address
- 3015 N Ballas Rd, Saint Louis, MO 63131
- Practice phone
- Call (314) 996-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Hermann's professional email, personal email and mobile number
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Dr. Catherine Ann Hermann is a general practice physician in Saint Louis, Missouri
Dr. Hermann practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.
Dr. Hermann's NPI, 1437268596, was assigned on August 30, 2006. Dr. Hermann graduated from Washington University School of Medicine in 2000. Dr. Hermann holds Missouri license 2003007012.
- NPI
- 1437268596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052493863
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 996-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Catherine Ann Hermann practices at Missouri Baptist Medical Center in Saint Louis, Missouri
Dr. Hermann's primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.
- Missouri Baptist Medical Center3015 N Ballas Rd, Saint Louis, MO 63131 · St. Louis CountyPhone(314) 996-5000
Source: Dmand AI Affiliation Data
Dr. Catherine Ann Hermann is affiliated with 5 sites of care and 1 medical group
Dr. Hermann's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dr. Hermann is also affiliated with Barnes-Jewish Hospital. The medical group on file is WashU Medicine Psychiatry. Dmand AI also links Dr. Hermann to 2 more hospitals and 1 group practice or clinic, 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. Catherine Ann Hermann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hermann practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Baptist Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Catherine Ann Hermann is one of 124 general practice physicians in Missouri
General practice is Dr. Hermann's primary specialty in the NPI Registry, under taxonomy code 208D00000X. Dr. Hermann is licensed in Missouri.
Specialties and state licenses
- General practice, MissouriPrimary
General practice physicians near Dr. Hermann
Counts of general practice physicians 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. Catherine Ann Hermann billed Medicare for 78 services in 2024
CMS data shows 78 Medicare services from Dr. Hermann across 2 procedure codes in 2024, all of them office visits, for 82 Medicare patients. Medicare paid $3,567 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hermann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2212024: 7865%
- Tests and treatments
- 2023: 532024: 0100%
- Other services
- 2023: 702024: 0100%
- Surgery
- 2023: 1382024: 0100%
Dr. Hermann compared with the Missouri median for general practice physicians, 2024
- Dr. Hermann
- Missouri median
- Medicare services
- 78vs 14044% below
- Medicare patients
- 82vs 9211% below
- Part D claims
- 266vs 1012.6 times
Medians across 122 general practice physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Hermann'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. Catherine Ann Hermann treated 82 Medicare patients in 2024, average age 65
CMS counts 82 Medicare patients who saw Dr. Hermann in 2024. The largest group is under 65, with 33 patients. 75% of them have high blood pressure, and 55% have diabetes. 63% are also on Medicaid. Their average risk score is 1.66, 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. Hermann's median patient age at 68, with 67% women.
Dr. Hermann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hermann's Medicare patients by sex, 2024
- Women4960%
- Men3340%
Chronic conditions among Dr. Hermann's Medicare patients, 2024
- High blood pressure75%
- Diabetes55%
- High cholesterol51%
- Chronic kidney disease29%
- Arthritis27%
- Heart failure23%
- Mood disorders21%
- Tobacco use21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hermann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Catherine Ann Hermann wrote 518 Medicare Part D claims in 2024
In 2024, Dr. Hermann wrote 518 Medicare Part D claims for 196 patients. 86% of them were for generic drugs. CMS names the drug for 266 of them, across 11 drugs with 11 or more claims each, at $10,091 in total drug cost. In 2023, CMS named 4,972 claims across 87 drugs.
Dr. Hermann's Part D claims by kind of drug, 2024
- Generic447 claims86%
- Brand-name and other71 claims14%
Dr. Hermann's 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,9722024: 26695%
Drugs named by CMS: 11 in 2024, 87 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
How Dr. Catherine Ann Hermann takes part in Medicare
Dr. Hermann 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. Catherine Ann Hermann received $32 in industry payments from 2019 to 2022
CMS Open Payments shows 2 general payments to Dr. Hermann from 2 drug and device companies from 2019 to 2022. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $18.
General payments to Dr. Hermann by program year, 2019 to 2022
Companies that paid Dr. Hermann the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Catherine Ann Hermann graduated from Washington University School of Medicine
Dr. Hermann graduated from Washington University School of Medicine in 2000.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Catherine Ann Hermann'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) |
| 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. Catherine Ann Hermann
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. Catherine Ann Hermann's NPI number?
Dr. Catherine Ann Hermann's NPI number is 1437268596. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Catherine Ann Hermann?
Dr. Catherine Ann Hermann is a general practice physician in Saint Louis, Missouri. The primary specialty in the NPI Registry is General Practice Physician (taxonomy code 208D00000X).
Where does Dr. Catherine Ann Hermann practice?
Dr. Hermann practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Hermann's primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Hermann to 2 hospitals and 1 group practice or clinic.
What is Dr. Catherine Ann Hermann's office phone number?
The practice phone on file for Dr. Hermann is (314) 996-5000.
What is Dr. Catherine Ann Hermann's medical license number?
Dr. Hermann holds Missouri license 2003007012.
Which hospitals is Dr. Catherine Ann Hermann affiliated with?
Dr. Hermann practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dr. Hermann is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Hermann to 2 more hospitals.
What medical group is Dr. Catherine Ann Hermann part of?
Dr. Hermann is linked to WashU Medicine Psychiatry.
Does Dr. Catherine Ann Hermann accept Medicare?
Yes. CMS data shows Dr. Hermann billed Medicare for 78 services in 2024, and Dr. Hermann accepts Medicare assignment.
How many Medicare patients does Dr. Catherine Ann Hermann see?
CMS counts 82 Medicare patients who saw Dr. Hermann in 2024, with an average age of 65.
What services does Dr. Catherine Ann Hermann bill to Medicare?
In 2024, Dr. Hermann's most billed Medicare services were office visit, established patient (99213) and office visit, established patient (99214).
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Where did Dr. Catherine Ann Hermann go to medical school?
Dr. Hermann graduated from Washington University School of Medicine in 2000.
What drugs does Dr. Catherine Ann Hermann prescribe most?
In 2024 Medicare Part D data, Dr. Hermann's most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Amlodipine Besylate.
Has Dr. Catherine Ann Hermann received payments from drug or device companies?
CMS Open Payments shows $32 in general payments to Dr. Hermann from 2 companies from 2019 to 2022. The largest total came from Novo Nordisk Inc.
How long has Dr. Catherine Ann Hermann been practicing?
Dr. Hermann graduated from medical school in 2000, 26 years ago.
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