Dr. Thomas Stephen Flach, DO
- Medicare services, 2023
- 350
- Part D claims, 2024
- 158
- Hospital affiliations
- 1
- Industry payments
- $2,871
- Medical group
- 1
- Practice address
- 2401 University Ave, Muncie, IN 47303
- Practice phone
- Call (765) 747-3111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Flach's professional email, personal email and mobile number
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Dr. Thomas Stephen Flach is a family medicine physician in Muncie, Indiana
Dr. Flach practices at IU Health Ball Memorial Hospital in Muncie, Indiana, part of Indiana University Health.
Dr. Flach's NPI, 1306933320, was assigned on October 10, 2006. Dr. Flach graduated from University of New England, College of Osteo Medicine in 1989. Dr. Flach holds Illinois license 036082941.
- NPI
- 1306933320NPI Registry (opens in a new tab)
- NPI enumeration date
- October 10, 2006
- NPI status
- Active
- Practice phone
- (765) 747-3111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Thomas Stephen Flach practices at IU Health Ball Memorial Hospital in Muncie, Indiana
Dr. Flach's primary practice is IU Health Ball Memorial Hospital, at 2401 University Ave, Muncie, IN 47303 in Delaware County. The practice phone is (765) 747-3111.
- IU Health Ball Memorial Hospital2401 University Ave, Muncie, IN 47303 · Delaware CountyPhone(765) 747-3111
Source: Dmand AI Affiliation Data
Dr. Thomas Stephen Flach is affiliated with 2 sites of care and 1 medical group
Dr. Flach's primary practice is IU Health Ball Memorial Hospital in Muncie, Indiana, part of Indiana University Health. Dmand AI also links Dr. Flach to 1 physician office and 1 medical group, 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. Thomas Stephen Flach's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flach practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Health Ball Memorial Hospital | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Stephen Flach is one of 3,028 family medicine physicians in Indiana
Family medicine is Dr. Flach's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Flach is licensed in Illinois.
Specialties and state licenses
- Family medicine, IllinoisPrimary
Family medicine physicians near Dr. Flach
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. Thomas Stephen Flach billed Medicare for 350 services in 2023
CMS data shows 350 Medicare services from Dr. Flach across 4 procedure codes in 2023. Medicare paid $28,723 for them. Every service was in an office.
Dr. Flach's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 8992023: 26970%
- Other services
- 2022: 2742023: 8170%
- Tests and treatments
- 2022: 332023: 0100%
Dr. Flach compared with the Indiana median for family medicine physicians, 2023
- Dr. Flach
- Indiana median
- Medicare services
- 350vs 40013% below
- Part D claims
- 15vs 1,22899% below
Medians across 3,080 family medicine physicians in Indiana with Dmand AI profiles that report each measure.
Dr. Flach's most billed Medicare procedure codes, 2023
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. Flach and other family medicine physicians in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Thomas Stephen Flach's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Flach's median patient age at 67, with 34% women.
Dr. Flach's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women34%
- Men65%
Source: Dmand AI Patient Panel Data
Dr. Thomas Stephen Flach wrote 158 Medicare Part D claims in 2024
In 2024, Dr. Flach wrote 158 Medicare Part D claims for 87 patients. 88% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $216 in total drug cost. In 2023, CMS named 2,019 claims across 52 drugs.
Dr. Flach's Part D claims by kind of drug, 2024
- Generic139 claims88%
- Brand-name19 claims12%
Dr. Flach'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: 2,0192024: 1599%
Drugs named by CMS: 1 in 2024, 52 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
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Dr. Thomas Stephen Flach received $2,871 in industry payments from 2016 to 2023
CMS Open Payments shows 197 general payments to Dr. Flach from 22 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 99% of the total. Eli Lilly and Company paid the most, $614.
General payments to Dr. Flach by program year, 2016 to 2023
General payments to Dr. Flach by kind, 2016 to 2023
- Food and beverage$2,85499%
- Education$171%
Companies that paid Dr. Flach the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Thomas Stephen Flach graduated from University of New England, College of Osteo Medicine
Dr. Flach graduated from University of New England, College of Osteo Medicine in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Thomas Stephen Flach'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 Data |
| 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) |
| 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. Thomas Stephen Flach
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. Thomas Stephen Flach's NPI number?
Dr. Thomas Stephen Flach's NPI number is 1306933320. It was assigned on October 10, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Stephen Flach?
Dr. Thomas Stephen Flach is a family medicine physician in Muncie, Indiana. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Thomas Stephen Flach practice?
Dr. Flach practices at 2401 University Ave, Muncie, IN 47303. Dr. Flach's primary practice is IU Health Ball Memorial Hospital in Muncie, Indiana, part of Indiana University Health. Dmand AI also links Dr. Flach to 1 physician office and 1 medical group.
What is Dr. Thomas Stephen Flach's office phone number?
The practice phone on file for Dr. Flach is (765) 747-3111.
What is Dr. Thomas Stephen Flach's medical license number?
Dr. Flach holds Illinois license 036082941.
Which hospitals is Dr. Thomas Stephen Flach affiliated with?
Dr. Flach practices at IU Health Ball Memorial Hospital in Muncie, Indiana.
Does Dr. Thomas Stephen Flach accept Medicare?
Yes. CMS data shows Dr. Flach billed Medicare for 350 services in 2023.
What services does Dr. Thomas Stephen Flach bill to Medicare?
In 2023, Dr. Flach's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G0439).
Where did Dr. Thomas Stephen Flach go to medical school?
Dr. Flach graduated from University of New England, College of Osteo Medicine in 1989.
What drugs does Dr. Thomas Stephen Flach prescribe most?
In 2024 Medicare Part D data, Dr. Flach's most prescribed drugs by claims were Simvastatin.
Has Dr. Thomas Stephen Flach received payments from drug or device companies?
CMS Open Payments shows $2,871 in general payments to Dr. Flach from 22 companies from 2016 to 2023. The largest total came from Eli Lilly and Company.
How long has Dr. Thomas Stephen Flach been practicing?
Dr. Flach graduated from medical school in 1989, 37 years ago.
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