Doctor profile · Federal record

Dr. Stephen Mittelstaedt, M.D.

Surgery Physician (CMS: General Surgery) · Seneca, SC

  • NPI 1407875719
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
103 Omni Dr Ste B
Seneca, SC 296729448
(864) 886-9250
fax (864) 886-9251
Additional location
701 Grove RD
Greenville, SC 296055611
(864) 455-7000
Mailing address
1 Independence PT Ste 212
Greenville, SC 296154536

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 15, 2018
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
South Carolina #33135
Medicaid
SC #331359

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1407875719. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
188
Distinct HCPCS
7
Medicare allowed
$13,177
HCPCS Description Services Patients Avg allowed
99202 New patient office or other outpatient visit, 15-29 minutes 40 40 $67
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 39 29 $47
99212 Established patient office or other outpatient visit, 10-19 minutes 35 27 $53
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 26 20 $75
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $101
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 16 16 $123
99238 Hospital discharge day management, 30 minutes or less 14 13 $76

In context: peer comparison

Among 3 peers in Seneca Surgery Physician, average services per provider: 30. This provider delivers 6.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$346
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Innovation Technologies INC 1 $171.23
Intuitive Surgical, INC. 6 $144.02
Tactile Systems Technology INC 1 $15.43
180 Medical, INC. 1 $15.26

By nature of payment

Food and Beverage
$346

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
93
Patients
92
Total drug cost
$299
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 31 31 $151
Oxycodone Hcl Generic 27 27 $84
Ondansetron Hcl Generic 24 23 $45
Tramadol Hcl Generic 11 11 $19

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Mittelstaedt's medical specialty?
Dr. Stephen Mittelstaedt practices Surgery Physician in Seneca, SC.
Where does Dr. Stephen Mittelstaedt practice?
Dr. Stephen Mittelstaedt practices at 103 Omni Dr Ste B, Seneca, SC 296729448. Office phone: 8648869250.
What is Dr. Stephen Mittelstaedt's NPI?
Dr. Stephen Mittelstaedt's National Provider Identifier (NPI) is 1407875719, issued by NPPES.
Does Dr. Stephen Mittelstaedt accept Medicare assignment?
Yes. Dr. Stephen Mittelstaedt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Mittelstaedt commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99202); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.