Dr. Stephen Brett Flack, MD
- Medicare services, 2024
- 1,609
- Medicare patients, 2024
- 506
- Part D claims, 2024
- 6,892
- Hospital affiliations
- 2
- Industry payments
- $109
- Practice address
- 3421 Concord Rd, York, PA 17402
- Practice phone
- Call (717) 264-3644
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Wellspan Family Medicine - Philadelphia Avenue
York, Pennsylvania
Find Dr. Flack'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. Stephen Brett Flack is a hospitalist in York, Pennsylvania
Dr. Flack practices at Wellspan Family Medicine - Philadelphia Avenue in York, Pennsylvania.
Dr. Flack's NPI, 1396742631, was assigned on July 1, 2005. Dr. Flack graduated from Temple University School of Medicine in 1997. Dr. Flack holds Pennsylvania license MD069240L.
- NPI
- 1396742631NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7012961444
- NPI enumeration date
- July 1, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (717) 264-3644
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Stephen Brett Flack practices at Wellspan Family Medicine - Philadelphia Avenue in York, Pennsylvania
Dr. Flack's primary practice is Wellspan Family Medicine - Philadelphia Avenue, at 3421 Concord Rd, York, PA 17402 in York County. The practice phone is (717) 264-3644.
- Wellspan Family Medicine - Philadelphia Avenue3421 Concord Rd, York, PA 17402 · York CountyPhone(717) 264-3644
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Stephen Brett Flack is affiliated with 9 sites of care and 3 medical groups
Dr. Flack's primary practice is Wellspan Family Medicine - Philadelphia Avenue in York, Pennsylvania. Dr. Flack is also affiliated with WellSpan Chambersburg Hospital. The medical group on file is WellSpan Digestive Health. Dmand AI also links Dr. Flack to 1 more hospital, 3 group practices and clinics, 3 home health agencies and 2 medical groups, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Stephen Brett Flack's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Flack practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Wellspan Family Medicine - Philadelphia Avenue | Available with a free account |
| +8 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen Brett Flack is one of 1,233 hospitalists in Pennsylvania
Hospitalist is Dr. Flack's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Flack is licensed in Pennsylvania.
Specialties and state licenses
- Hospitalist, PennsylvaniaPrimary
Hospitalists near Dr. Flack
Counts of hospitalists 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. Stephen Brett Flack billed Medicare for 1,609 services in 2024
CMS data shows 1,609 Medicare services from Dr. Flack across 11 procedure codes in 2024, for 506 Medicare patients. Medicare paid $66,700 for them. Every service was in an office.
Dr. Flack's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 6262024: 53415%
- Other services
- 2023: 2832024: 45059%
- Surgery
- 2023: 3882024: 34810%
- Tests and treatments
- 2023: 3532024: 22536%
- Drugs given in the office
- 2023: 8432024: 5294%
Dr. Flack compared with the Pennsylvania median for hospitalists, 2024
- Dr. Flack
- Pennsylvania median
- Medicare services
- 1,609vs 4133.9 times
- Medicare patients
- 506vs 2062.5 times
- Part D claims
- 6,369vs 6893.7 times
Medians across 1,187 hospitalists in Pennsylvania with Dmand AI profiles that report each measure.
Dr. Flack'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. Flack and other hospitalists in Pennsylvania.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen Brett Flack treated 506 Medicare patients in 2024, average age 75
CMS counts 506 Medicare patients who saw Dr. Flack in 2024. The largest group is 65 to 74, with 190 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Flack's median patient age at 68, with 48% women.
Dr. Flack's Medicare patients by age, 2024
Dr. Flack's Medicare patients by sex, 2024
- Women25550%
- Men25150%
Chronic conditions among Dr. Flack's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis36%
- Diabetes36%
- Chronic kidney disease34%
- Anxiety25%
- Ischemic heart disease25%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Flack'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
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen Brett Flack wrote 6,892 Medicare Part D claims in 2024
In 2024, Dr. Flack wrote 6,892 Medicare Part D claims for 597 patients. 91% of them were for generic drugs. CMS names the drug for 6,369 of them, across 115 drugs with 11 or more claims each, at $451,421 in total drug cost. In 2023, CMS named 5,446 claims across 108 drugs.
Dr. Flack's Part D claims by kind of drug, 2024
- Generic6,274 claims91%
- Brand-name582 claims8%
- Other36 claims1%
Dr. Flack'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. Flack's Part D claims, 2024
- Opioids2%170 of 6,892 claims
- Antibiotics1%66 of 6,892 claims
- Antipsychotics, patients 65 and over0%11 of 6,892 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: 5,4462024: 6,36917%
Drugs named by CMS: 115 in 2024, 108 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. Stephen Brett Flack offers telehealth to Medicare patients
Dr. Flack accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Flack as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Stephen Brett Flack received $109 in industry payments from 2018 to 2023
CMS Open Payments shows 2 general payments to Dr. Flack from 2 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $93.
General payments to Dr. Flack by program year, 2018 to 2023
Companies that paid Dr. Flack the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Stephen Brett Flack graduated from Temple University School of Medicine
Dr. Flack graduated from Temple University School of Medicine in 1997.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen Brett Flack'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Doctors and Clinicians Utilization Data (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. Stephen Brett Flack
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. Stephen Brett Flack's NPI number?
Dr. Stephen Brett Flack's NPI number is 1396742631. It was assigned on July 1, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen Brett Flack?
Dr. Stephen Brett Flack is a hospitalist in York, Pennsylvania. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Stephen Brett Flack practice?
Dr. Flack practices at 3421 Concord Rd, York, PA 17402. Dr. Flack's primary practice is Wellspan Family Medicine - Philadelphia Avenue in York, Pennsylvania. Dmand AI also links Dr. Flack to 1 hospital, 3 group practices and clinics, 3 home health agencies and 2 medical groups.
What is Dr. Stephen Brett Flack's office phone number?
The practice phone on file for Dr. Flack is (717) 264-3644.
What is Dr. Stephen Brett Flack's medical license number?
Dr. Flack holds Pennsylvania license MD069240L.
Which hospitals is Dr. Stephen Brett Flack affiliated with?
Dr. Flack is affiliated with WellSpan Chambersburg Hospital. Dmand AI links Dr. Flack to 1 more hospital.
What medical group is Dr. Stephen Brett Flack part of?
Dr. Flack is linked to WellSpan Digestive Health. Dmand AI links Dr. Flack to 2 more medical groups.
Does Dr. Stephen Brett Flack accept Medicare?
Yes. CMS data shows Dr. Flack billed Medicare for 1,609 services in 2024, and Dr. Flack accepts Medicare assignment.
Does Dr. Stephen Brett Flack offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Flack as offering telehealth services.
How many Medicare patients does Dr. Stephen Brett Flack see?
CMS counts 506 Medicare patients who saw Dr. Flack in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. Stephen Brett Flack bill to Medicare?
In 2024, Dr. Flack's most billed Medicare services were office visit, established patient (99214), surgery: heart and blood vessels (36415) and medicare service (G2211).
Where did Dr. Stephen Brett Flack go to medical school?
Dr. Flack graduated from Temple University School of Medicine in 1997.
What drugs does Dr. Stephen Brett Flack prescribe most?
In 2024 Medicare Part D data, Dr. Flack's most prescribed drugs by claims were Lisinopril, Atorvastatin Calcium and Levothyroxine Sodium.
Has Dr. Stephen Brett Flack received payments from drug or device companies?
CMS Open Payments shows $109 in general payments to Dr. Flack from 2 companies from 2018 to 2023. The largest total came from Boston Scientific Corporation.
How long has Dr. Stephen Brett Flack been practicing?
Dr. Flack graduated from medical school in 1997, 29 years ago.
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