Dr. Stephen James Mittelstaedt, MD
- Medicare services, 2024
- 191
- Medicare patients, 2024
- 162
- Part D claims, 2024
- 119
- Hospital affiliations
- 3
- Industry payments
- $4,883
- Practice address
- 830 S Buncombe Rd, Greer, SC 29650
- Practice phone
- Call (864) 522-9729
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Prisma Health Greer Memorial Hospital - Mammography
Mammography / Breast Imaging Center · Greer, South Carolina
Find Dr. Mittelstaedt'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 James Mittelstaedt is a general surgeon in Greer, South Carolina
Dr. Mittelstaedt practices at Prisma Health Greer Memorial Hospital - Mammography in Greer, South Carolina.
Dr. Mittelstaedt's NPI, 1407875719, was assigned on July 18, 2006. Dr. Mittelstaedt graduated from Medical University of South Carolina College of Medicine in 2006. Dr. Mittelstaedt holds South Carolina license 33135.
- NPI
- 1407875719NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951579515
- NPI enumeration date
- July 18, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (864) 522-9729
- 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. Stephen James Mittelstaedt practices at Prisma Health Greer Memorial Hospital - Mammography in Greer, South Carolina
Dr. Mittelstaedt's primary practice is Prisma Health Greer Memorial Hospital - Mammography, at 830 S Buncombe Rd, Greer, SC 29650. The practice phone is (864) 522-9729.
- Prisma Health Greer Memorial Hospital - Mammography830 S Buncombe Rd, Greer, SC 29650Phone(864) 522-9729
Source: Dmand AI Affiliation Data
Dr. Stephen James Mittelstaedt is affiliated with 5 sites of care and 2 medical groups
Dr. Mittelstaedt's primary practice is Prisma Health Greer Memorial Hospital - Mammography in Greer, South Carolina. Dr. Mittelstaedt is also affiliated with Prisma Health Greenville Memorial Hospital. The medical group on file is Prisma Health Medical Group. Dmand AI also links Dr. Mittelstaedt to 2 more hospitals, 1 group practice or clinic 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. Stephen James Mittelstaedt's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mittelstaedt practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Prisma Health Greer Memorial Hospital - Mammography | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Stephen James Mittelstaedt is one of 506 general surgeons in South Carolina
Surgery is Dr. Mittelstaedt's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mittelstaedt is licensed in South Carolina.
Specialties and state licenses
- Surgery, South CarolinaPrimary
General surgeons near Dr. Mittelstaedt
Counts of general surgeons 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 James Mittelstaedt billed Medicare for 191 services in 2024
CMS data shows 191 Medicare services from Dr. Mittelstaedt across 8 procedure codes in 2024, for 162 Medicare patients. Medicare paid $11,145 for them.
Dr. Mittelstaedt's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1882024: 1912%
Where Dr. Mittelstaedt's Medicare services took place, 2024
- In an office10253%
- In a facility8947%
Dr. Mittelstaedt compared with the South Carolina median for general surgeons, 2024
- Dr. Mittelstaedt
- South Carolina median
- Medicare services
- 191vs 26528% below
- Medicare patients
- 162vs 1789% below
- Part D claims
- 92vs 5470% above
Medians across 500 general surgeons in South Carolina with Dmand AI profiles that report each measure.
Dr. Mittelstaedt'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Stephen James Mittelstaedt treated 162 Medicare patients in 2024, average age 74
CMS counts 162 Medicare patients who saw Dr. Mittelstaedt in 2024. The largest group is 65 to 74, with 65 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 10% are also on Medicaid. Their average risk score is 1.28, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mittelstaedt's median patient age at 57, with 55% women.
Dr. Mittelstaedt's Medicare patients by age, 2024
Dr. Mittelstaedt's Medicare patients by sex, 2024
- Women7848%
- Men8452%
Chronic conditions among Dr. Mittelstaedt's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Chronic kidney disease39%
- Anxiety36%
- Diabetes36%
- Depression35%
- Mood disorders35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mittelstaedt's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Stephen James Mittelstaedt wrote 119 Medicare Part D claims in 2024
In 2024, Dr. Mittelstaedt wrote 119 Medicare Part D claims for 82 patients. 94% of them were for generic drugs. CMS names the drug for 92 of them, across 4 drugs with 11 or more claims each, at $1,187 in total drug cost. In 2023, CMS named 93 claims across 4 drugs.
Dr. Mittelstaedt's Part D claims by kind of drug, 2024
- Generic112 claims94%
- Brand-name and other7 claims6%
Dr. Mittelstaedt'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. Mittelstaedt's Part D claims, 2024
- Opioids50%59 of 119 claims
- Antibiotics9%11 of 119 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: 932024: 921%
Drugs named by CMS: 4 in 2024, 4 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 James Mittelstaedt ranks in the 61st percentile for colonoscopy in Medicare
Dr. Mittelstaedt accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 45 procedures of colonoscopy by Dr. Mittelstaedt, more than 61% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Mittelstaedt ranks in Medicare procedure volume
- Colonoscopy
- 61st percentile45 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 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 James Mittelstaedt received $4,883 in industry payments from 2016 to 2025
CMS Open Payments shows 28 general payments to Dr. Mittelstaedt from 8 drug and device companies from 2016 to 2025. Education make up the largest share, 61% of the total. Intuitive Surgical, Inc. paid the most, $4,591.
General payments to Dr. Mittelstaedt by program year, 2016 to 2025
General payments to Dr. Mittelstaedt by kind, 2016 to 2025
- Education$3,00061%
- Travel and lodging$72415%
- Food and beverage$65813%
- Speaker and faculty fees$50010%
Companies that paid Dr. Mittelstaedt 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. Stephen James Mittelstaedt graduated from Medical University of South Carolina College of Medicine
Dr. Mittelstaedt graduated from Medical University of South Carolina College of Medicine in 2006.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Stephen James Mittelstaedt'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)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 James Mittelstaedt
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 James Mittelstaedt's NPI number?
Dr. Stephen James Mittelstaedt's NPI number is 1407875719. It was assigned on July 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Stephen James Mittelstaedt?
Dr. Stephen James Mittelstaedt is a general surgeon in Greer, South Carolina. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Stephen James Mittelstaedt practice?
Dr. Mittelstaedt practices at 830 S Buncombe Rd, Greer, SC 29650. Dr. Mittelstaedt's primary practice is Prisma Health Greer Memorial Hospital - Mammography in Greer, South Carolina. Dmand AI also links Dr. Mittelstaedt to 2 hospitals, 1 group practice or clinic and 1 medical group.
What is Dr. Stephen James Mittelstaedt's office phone number?
The practice phone on file for Dr. Mittelstaedt is (864) 522-9729.
What is Dr. Stephen James Mittelstaedt's medical license number?
Dr. Mittelstaedt holds South Carolina license 33135.
Which hospitals is Dr. Stephen James Mittelstaedt affiliated with?
Dr. Mittelstaedt is affiliated with Prisma Health Greenville Memorial Hospital. Dmand AI links Dr. Mittelstaedt to 2 more hospitals.
What medical group is Dr. Stephen James Mittelstaedt part of?
Dr. Mittelstaedt is linked to Prisma Health Medical Group. Dmand AI links Dr. Mittelstaedt to 1 more medical group.
Does Dr. Stephen James Mittelstaedt accept Medicare?
Yes. CMS data shows Dr. Mittelstaedt billed Medicare for 191 services in 2024, and Dr. Mittelstaedt accepts Medicare assignment.
How many Medicare patients does Dr. Stephen James Mittelstaedt see?
CMS counts 162 Medicare patients who saw Dr. Mittelstaedt in 2024, with an average age of 74.
What services does Dr. Stephen James Mittelstaedt bill to Medicare?
In 2024, Dr. Mittelstaedt's most billed Medicare services were office visit, established patient (99212), hospital inpatient care (99231) and office visit, new patient (99202).
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Where did Dr. Stephen James Mittelstaedt go to medical school?
Dr. Mittelstaedt graduated from Medical University of South Carolina College of Medicine in 2006.
What drugs does Dr. Stephen James Mittelstaedt prescribe most?
In 2024 Medicare Part D data, Dr. Mittelstaedt's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Ondansetron HCl and Sod Sulf-Potass Sulf-Mag Sulf.
Has Dr. Stephen James Mittelstaedt received payments from drug or device companies?
CMS Open Payments shows $4,883 in general payments to Dr. Mittelstaedt from 8 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Stephen James Mittelstaedt been practicing?
Dr. Mittelstaedt graduated from medical school in 2006, 20 years ago.
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