Dr. Seth W. Hahs, MD
- Medicare services, 2024
- 369
- Medicare patients, 2024
- 151
- Part D claims, 2024
- 19,066
- Hospital affiliations
- 5
- Industry payments
- $587
- Practice address
- 1275 Hawthorn Road, Salem, IL 62881
- Practice phone
- Call (618) 548-4545
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Salem - SIHF Healthcare
FQHC - Main Site · Salem, Illinois
Find Dr. Hahs' 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. Seth W. Hahs is an internist in Salem, Illinois
Dr. Hahs practices at Salem - SIHF Healthcare in Salem, Illinois.
Dr. Hahs' NPI, 1154542132, was assigned on May 1, 2007. Dr. Hahs graduated from Southern Illinois University School of Medicine in 2006. Dr. Hahs holds Illinois license 036124033.
- NPI
- 1154542132NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1153469770
- NPI enumeration date
- May 1, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (618) 548-4545
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Seth W. Hahs practices at Salem - SIHF Healthcare in Salem, Illinois
Dr. Hahs' primary practice is Salem - SIHF Healthcare, at 1275 Hawthorn Road, Salem, IL 62881 in Marion County. The practice phone is (618) 548-4545.
- Salem - SIHF Healthcare1275 Hawthorn Road, Salem, IL 62881 · Marion CountyPhone(618) 548-4545
Source: Dmand AI Affiliation Data
Dr. Seth W. Hahs is affiliated with 11 sites of care and 2 medical groups
Dr. Hahs' primary practice is Salem - SIHF Healthcare in Salem, Illinois. Dr. Hahs is also affiliated with Salem Township Hospital. The medical group on file is SIHF Healthcare. Dmand AI also links Dr. Hahs to 4 more hospitals, 3 home health agencies, 2 skilled nursing facilities and 1 medical group, each named with a free account. Dr. Hahs' employer is on file too: a community health center (fqhc).
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Seth W. Hahs' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hahs practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Salem - SIHF Healthcare | Available with a free account |
| +10 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Seth W. Hahs is one of 5,652 internists in Illinois
Internal medicine is Dr. Hahs' primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Hahs is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Hahs
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. Seth W. Hahs billed Medicare for 369 services in 2024
CMS data shows 369 Medicare services from Dr. Hahs across 4 procedure codes in 2024, for 151 Medicare patients. Medicare paid $25,989 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Hahs' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 4622024: 36920%
- Lab and pathology
- 2023: 352024: 0100%
Dr. Hahs compared with the Illinois median for internists, 2024
- Dr. Hahs
- Illinois median
- Medicare services
- 369vs 56635% below
- Medicare patients
- 151vs 20827% below
- Part D claims
- 18,214vs 28464.1 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Hahs' 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. Hahs and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Seth W. Hahs treated 151 Medicare patients in 2024, average age 80
CMS counts 151 Medicare patients who saw Dr. Hahs in 2024. The largest group is 75 to 84, with 54 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 1.89, 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. Hahs' median patient age at 71, with 51% women.
Dr. Hahs' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Hahs' Medicare patients by sex, 2024
- Women11174%
- Men4026%
Chronic conditions among Dr. Hahs' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis68%
- Anxiety44%
- COPD44%
- Mood disorders43%
- Depression42%
- Diabetes40%
Share of Medicare patients with each condition. A patient can have several.
Dr. Hahs' 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
- Women51%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Seth W. Hahs wrote 19,066 Medicare Part D claims in 2024
In 2024, Dr. Hahs wrote 19,066 Medicare Part D claims for 983 patients. 87% of them were for generic drugs. CMS names the drug for 18,214 of them, across 202 drugs with 11 or more claims each, at $1,071,377 in total drug cost. In 2023, CMS named 18,568 claims across 200 drugs.
Dr. Hahs' Part D claims by kind of drug, 2024
- Generic16,682 claims87%
- Brand-name2,301 claims12%
- Other83 claims0%
Dr. Hahs' 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. Hahs' Part D claims, 2024
- Opioids4%686 of 19,066 claims
- Antibiotics3%648 of 19,066 claims
- Antipsychotics, patients 65 and over1%156 of 19,066 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: 18,5682024: 18,2142%
Drugs named by CMS: 202 in 2024, 200 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. Seth W. Hahs takes part in Medicare
Dr. Hahs 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. Seth W. Hahs received $587 in industry payments from 2016 to 2025
CMS Open Payments shows 35 general payments to Dr. Hahs from 13 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $140.
General payments to Dr. Hahs by program year, 2016 to 2025
Companies that paid Dr. Hahs the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Seth W. Hahs graduated from Southern Illinois University School of Medicine
Dr. Hahs graduated from Southern Illinois University School of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Seth W. Hahs'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. Seth W. Hahs
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. Seth W. Hahs' NPI number?
Dr. Seth W. Hahs' NPI number is 1154542132. It was assigned on May 1, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Seth W. Hahs?
Dr. Seth W. Hahs is an internist in Salem, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Seth W. Hahs practice?
Dr. Hahs practices at 1275 Hawthorn Road, Salem, IL 62881. Dr. Hahs' primary practice is Salem - SIHF Healthcare in Salem, Illinois. Dmand AI also links Dr. Hahs to 4 hospitals, 3 home health agencies, 2 skilled nursing facilities and 1 medical group.
What is Dr. Seth W. Hahs' office phone number?
The practice phone on file for Dr. Hahs is (618) 548-4545.
What is Dr. Seth W. Hahs' medical license number?
Dr. Hahs holds Illinois license 036124033.
Which hospitals is Dr. Seth W. Hahs affiliated with?
Dr. Hahs is affiliated with Salem Township Hospital. Dmand AI links Dr. Hahs to 4 more hospitals.
What medical group is Dr. Seth W. Hahs part of?
Dr. Hahs is linked to SIHF Healthcare. Dmand AI links Dr. Hahs to 1 more medical group.
Does Dr. Seth W. Hahs accept Medicare?
Yes. CMS data shows Dr. Hahs billed Medicare for 369 services in 2024, and Dr. Hahs accepts Medicare assignment.
How many Medicare patients does Dr. Seth W. Hahs see?
CMS counts 151 Medicare patients who saw Dr. Hahs in 2024, with an average age of 80.
What services does Dr. Seth W. Hahs bill to Medicare?
In 2024, Dr. Hahs' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99222).
Show 4 more questionsShow fewer questions
Where did Dr. Seth W. Hahs go to medical school?
Dr. Hahs graduated from Southern Illinois University School of Medicine in 2006.
What drugs does Dr. Seth W. Hahs prescribe most?
In 2024 Medicare Part D data, Dr. Hahs' most prescribed drugs by claims were Atorvastatin Calcium, Lisinopril and Furosemide.
Has Dr. Seth W. Hahs received payments from drug or device companies?
CMS Open Payments shows $587 in general payments to Dr. Hahs from 13 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Seth W. Hahs been practicing?
Dr. Hahs graduated from medical school in 2006, 20 years ago.
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