Dr. William Han Bae, MD
- Medicare services, 2024
- 75
- Medicare patients, 2024
- 78
- Part D claims, 2024
- 37
- Hospital affiliations
- 4
- Industry payments
- $1,439
- Practice address
- 3500 Franciscan Way, Michigan City, IN 46360
- Practice phone
- Call (219) 879-8511
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Bae's professional email, personal email and mobile number
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Dr. William Han Bae is an internist in Michigan City, Indiana
Dr. Bae practices at Franciscan Health Michigan City in Michigan City, Indiana, part of Franciscan Alliance.
Dr. Bae's NPI, 1538699079, was assigned on June 18, 2017. Dr. Bae holds Illinois license 036156110.
- NPI
- 1538699079NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012319668
- NPI enumeration date
- June 18, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (219) 879-8511
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Han Bae practices at Franciscan Health Michigan City in Michigan City, Indiana
Dr. Bae's primary practice is Franciscan Health Michigan City, at 3500 Franciscan Way, Michigan City, IN 46360 in La Porte County. The practice phone is (219) 879-8511.
- Franciscan Health Michigan City3500 Franciscan Way, Michigan City, IN 46360 · La Porte CountyPhone(219) 879-8511
Source: Dmand AI Affiliation Data
Dr. William Han Bae is affiliated with 5 sites of care and 3 medical groups
Dr. Bae's primary practice is Franciscan Health Michigan City in Michigan City, Indiana, part of Franciscan Alliance. Dr. Bae is also affiliated with Franciscan Health Crown Point. The medical group on file is Franciscan Physician Network. Dmand AI also links Dr. Bae to 2 more hospitals, 2 medical groups 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. William Han Bae's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bae practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Franciscan Health Michigan City | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Franciscan Alliance and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Han Bae is one of 1,987 internists in Indiana
Internal medicine is Dr. Bae's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Bae is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Bae
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. William Han Bae billed Medicare for 75 services in 2024
CMS data shows 75 Medicare services from Dr. Bae across 2 procedure codes in 2024, for 78 Medicare patients. Medicare paid $10,960 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Bae's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 392024: 7592%
Dr. Bae compared with the Indiana median for internists, 2024
- Dr. Bae
- Indiana median
- Medicare services
- 75vs 52086% below
- Medicare patients
- 78vs 21263% below
- Part D claims
- 19vs 15988% below
Medians across 1,948 internists in Indiana with Dmand AI profiles that report each measure.
Dr. Bae'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. Bae and other internists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Han Bae treated 78 Medicare patients in 2024, average age 82
CMS counts 78 Medicare patients who saw Dr. Bae in 2024. The largest group is 85 and over, with 31 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 28% are also on Medicaid. Their average risk score is 2.52, 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. Bae's median patient age at 74, with 61% women.
Dr. Bae's Medicare patients by age, 2024
Dr. Bae's Medicare patients by sex, 2024
- Women5165%
- Men2735%
Chronic conditions among Dr. Bae's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis65%
- Heart failure65%
- Atrial fibrillation63%
- Ischemic heart disease60%
- Diabetes54%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bae's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women61%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William Han Bae wrote 37 Medicare Part D claims in 2024
In 2024, Dr. Bae wrote 37 Medicare Part D claims for 18 patients. 65% of them were for generic drugs. CMS names the drug for 19 of them, across 1 drug with 11 or more claims each, at $259 in total drug cost.
Dr. Bae's Part D claims by kind of drug, 2024
- Generic24 claims65%
- Brand-name13 claims35%
Dr. Bae's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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. William Han Bae offers telehealth to Medicare patients
Dr. Bae accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bae as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. William Han Bae received $1,439 in industry payments from 2020 to 2025
CMS Open Payments shows 19 general payments to Dr. Bae from 11 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 89% of the total. AstraZeneca Pharmaceuticals LP paid the most, $562.
General payments to Dr. Bae by program year, 2020 to 2025
General payments to Dr. Bae by kind, 2020 to 2025
- Food and beverage$1,27789%
- Education$16211%
Companies that paid Dr. Bae the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Han Bae'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) |
| 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. William Han Bae
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. William Han Bae's NPI number?
Dr. William Han Bae's NPI number is 1538699079. It was assigned on June 18, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. William Han Bae?
Dr. William Han Bae is an internist in Michigan City, Indiana. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William Han Bae practice?
Dr. Bae practices at 3500 Franciscan Way, Michigan City, IN 46360. Dr. Bae's primary practice is Franciscan Health Michigan City in Michigan City, Indiana, part of Franciscan Alliance. Dmand AI also links Dr. Bae to 2 hospitals, 2 medical groups and 1 group practice or clinic.
What is Dr. William Han Bae's office phone number?
The practice phone on file for Dr. Bae is (219) 879-8511.
What is Dr. William Han Bae's medical license number?
Dr. Bae holds Illinois license 036156110.
Which hospitals is Dr. William Han Bae affiliated with?
Dr. Bae practices at Franciscan Health Michigan City in Michigan City, Indiana. Dr. Bae is also affiliated with Franciscan Health Crown Point. Dmand AI links Dr. Bae to 2 more hospitals.
What medical group is Dr. William Han Bae part of?
Dr. Bae is linked to Franciscan Physician Network. Dmand AI links Dr. Bae to 2 more medical groups.
Does Dr. William Han Bae accept Medicare?
Yes. CMS data shows Dr. Bae billed Medicare for 75 services in 2024, and Dr. Bae accepts Medicare assignment.
Does Dr. William Han Bae offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bae as offering telehealth services.
How many Medicare patients does Dr. William Han Bae see?
CMS counts 78 Medicare patients who saw Dr. Bae in 2024, with an average age of 82.
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What services does Dr. William Han Bae bill to Medicare?
In 2024, Dr. Bae's most billed Medicare services were hospital inpatient care (99223) and critical care (99291).
What drugs does Dr. William Han Bae prescribe most?
In 2023 Medicare Part D data, Dr. Bae's most prescribed drugs by claims were Gabapentin.
Has Dr. William Han Bae received payments from drug or device companies?
CMS Open Payments shows $1,439 in general payments to Dr. Bae from 11 companies from 2020 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. William Han Bae been practicing?
Dr. Bae graduated from medical school in 2015, 11 years ago.
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