Dr. Leonard M. Hoffmann, MD
- Medicare services, 2024
- 861
- Medicare patients, 2024
- 306
- Part D claims, 2024
- 16,024
- Hospital affiliations
- 7
- Industry payments
- $331
- Practice address
- 1101 Highway K, O Fallon, MO 63366
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
SSM Health Medical Group Ofallon - HOPD
Inpatient Rehabilitation Facility · O Fallon, Missouri
Find Dr. Hoffmann'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. Leonard M. Hoffmann is a family medicine physician in O Fallon, Missouri
Dr. Hoffmann practices at SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri.
Dr. Hoffmann's NPI, 1174585665, was assigned on April 3, 2006. Dr. Hoffmann graduated from Loyola University of Chicago, Stritch School of Medicine in 1996. Dr. Hoffmann holds Missouri license 2002014796.
- NPI
- 1174585665NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214061936
- NPI enumeration date
- April 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Leonard M. Hoffmann practices at SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri
Dr. Hoffmann's primary practice is SSM Health Medical Group Ofallon - HOPD, at 1101 Highway K, O Fallon, MO 63366.
- SSM Health Medical Group Ofallon - HOPD1101 Highway K, O Fallon, MO 63366
Source: Dmand AI Affiliation Data
Dr. Leonard M. Hoffmann is affiliated with 14 sites of care and 2 medical groups
Dr. Hoffmann's primary practice is SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri. Dr. Hoffmann is also affiliated with Mercy Hospital St. Louis. The medical group on file is SSM Health Medical Group. Dmand AI also links Dr. Hoffmann to 5 more hospitals, 4 home health agencies, 2 group practices and clinics, 1 hospital outpatient department and 1 medical group, each named with a free account. Dr. Hoffmann's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Leonard M. Hoffmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hoffmann practices, 14 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| SSM Health Medical Group Ofallon - HOPD | Available with a free account |
| +13 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Leonard M. Hoffmann is one of 2,412 family medicine physicians in Missouri
Family medicine is Dr. Hoffmann's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Hoffmann is board certified in family medicine by the American Board of Family Medicine. Dr. Hoffmann is licensed in Missouri.
Specialties and state licenses
- Family medicine, MissouriPrimary
Family medicine physicians near Dr. Hoffmann
Counts of family medicine 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. Leonard M. Hoffmann billed Medicare for 861 services in 2024
CMS data shows 861 Medicare services from Dr. Hoffmann across 9 procedure codes in 2024, for 306 Medicare patients. Medicare paid $57,300 for them. Every service was in an office.
Dr. Hoffmann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5932024: 5635%
- Other services
- 2023: 1842024: 28555%
- Imaging
- 2023: 02024: 13
Dr. Hoffmann compared with the Missouri median for family medicine physicians, 2024
- Dr. Hoffmann
- Missouri median
- Medicare services
- 861vs 3332.6 times
- Medicare patients
- 306vs 15696% above
- Part D claims
- 15,197vs 1,23112.3 times
Medians across 2,555 family medicine physicians in Missouri with Dmand AI profiles that report each measure.
Dr. Hoffmann'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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hoffmann and other family medicine physicians in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Leonard M. Hoffmann treated 306 Medicare patients in 2024, average age 74
CMS counts 306 Medicare patients who saw Dr. Hoffmann in 2024. The largest group is 65 to 74, with 148 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Hoffmann's median patient age at 66, with 43% women.
Dr. Hoffmann's Medicare patients by age, 2024
Dr. Hoffmann's Medicare patients by sex, 2024
- Women13945%
- Men16755%
Chronic conditions among Dr. Hoffmann's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease32%
- Arthritis31%
- Diabetes30%
- Ischemic heart disease23%
- Atrial fibrillation19%
- Cancer16%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hoffmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Leonard M. Hoffmann wrote 16,024 Medicare Part D claims in 2024
In 2024, Dr. Hoffmann wrote 16,024 Medicare Part D claims for 1,372 patients. 88% of them were for generic drugs. CMS names the drug for 15,197 of them, across 152 drugs with 11 or more claims each, at $988,828 in total drug cost. In 2023, CMS named 13,857 claims across 152 drugs.
Dr. Hoffmann's Part D claims by kind of drug, 2024
- Generic14,071 claims88%
- Brand-name1,904 claims12%
- Other49 claims0%
Dr. Hoffmann'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.
Drug classes CMS tracks in Dr. Hoffmann's Part D claims, 2024
- Opioids2%275 of 16,024 claims
- Antibiotics1%122 of 16,024 claims
- Antipsychotics, patients 65 and over0%45 of 16,024 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: 13,8572024: 15,19710%
Drugs named by CMS: 152 in 2024, 152 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. Leonard M. Hoffmann offers telehealth to Medicare patients
Dr. Hoffmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hoffmann as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Leonard M. Hoffmann received $331 in industry payments from 2017 to 2022
CMS Open Payments shows 7 general payments to Dr. Hoffmann from 5 drug and device companies from 2017 to 2022. Food and beverage make up the largest share, 96% of the total. Boehringer Ingelheim Pharmaceuticals, Inc. paid the most, $182.
General payments to Dr. Hoffmann by program year, 2017 to 2022
General payments to Dr. Hoffmann by kind, 2017 to 2022
- Food and beverage$31996%
- Education$124%
Companies that paid Dr. Hoffmann the most, 2017 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Leonard M. Hoffmann graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Hoffmann graduated from Loyola University of Chicago, Stritch School of Medicine in 1996.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Leonard M. Hoffmann'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 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. Leonard M. Hoffmann
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. Leonard M. Hoffmann's NPI number?
Dr. Leonard M. Hoffmann's NPI number is 1174585665. It was assigned on April 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Leonard M. Hoffmann?
Dr. Leonard M. Hoffmann is a family medicine physician in O Fallon, Missouri. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Leonard M. Hoffmann practice?
Dr. Hoffmann practices at 1101 Highway K, O Fallon, MO 63366. Dr. Hoffmann's primary practice is SSM Health Medical Group Ofallon - HOPD in O Fallon, Missouri. Dmand AI also links Dr. Hoffmann to 5 hospitals, 4 home health agencies, 2 group practices and clinics, 1 hospital outpatient department and 1 medical group.
What is Dr. Leonard M. Hoffmann's medical license number?
Dr. Hoffmann holds Missouri license 2002014796.
Which hospitals is Dr. Leonard M. Hoffmann affiliated with?
Dr. Hoffmann is affiliated with Mercy Hospital St. Louis. Dmand AI links Dr. Hoffmann to 6 more hospitals.
What medical group is Dr. Leonard M. Hoffmann part of?
Dr. Hoffmann is linked to SSM Health Medical Group. Dmand AI links Dr. Hoffmann to 1 more medical group.
Does Dr. Leonard M. Hoffmann accept Medicare?
Yes. CMS data shows Dr. Hoffmann billed Medicare for 861 services in 2024, and Dr. Hoffmann accepts Medicare assignment.
Does Dr. Leonard M. Hoffmann offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Hoffmann as offering telehealth services.
How many Medicare patients does Dr. Leonard M. Hoffmann see?
CMS counts 306 Medicare patients who saw Dr. Hoffmann in 2024, with an average age of 74.
Is Dr. Leonard M. Hoffmann board certified?
Yes. Dr. Hoffmann is board certified in family medicine by the American Board of Family Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Leonard M. Hoffmann bill to Medicare?
In 2024, Dr. Hoffmann's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and medicare service (G2211).
Where did Dr. Leonard M. Hoffmann go to medical school?
Dr. Hoffmann graduated from Loyola University of Chicago, Stritch School of Medicine in 1996.
What drugs does Dr. Leonard M. Hoffmann prescribe most?
In 2024 Medicare Part D data, Dr. Hoffmann's most prescribed drugs by claims were Atorvastatin Calcium, Levothyroxine Sodium and Amlodipine Besylate.
Has Dr. Leonard M. Hoffmann received payments from drug or device companies?
CMS Open Payments shows $331 in general payments to Dr. Hoffmann from 5 companies from 2017 to 2022. The largest total came from Boehringer Ingelheim Pharmaceuticals, Inc.
How long has Dr. Leonard M. Hoffmann been practicing?
Dr. Hoffmann graduated from medical school in 1996, 30 years ago.
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