Doctor profile · Federal record

Dr. Stephen Gemmett, MD

Vascular Surgery Physician (CMS: Vascular Surgery) · Surgery Physician · Dover, NH

  • NPI 1518928316
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
19 Old Rollinsford RD, Building B
Dover, NH 038202807
(603) 516-4265
fax (603) 740-2173
Mailing address
789 Central Ave
Dover, NH 038202526

Credentials & registration

NPPES · NUCC
NPI registered
March 2006 — 20 yrs on file
Profile last updated
June 18, 2015
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2086S0129X — NUCC code
State license (1)
New Hampshire #12061
Medicaid (2)
ME #1518928316 · NH #3075234

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518928316. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,025
Distinct HCPCS
10
Medicare allowed
$62,967
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 259 163 $91
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 134 129 $21
93880 Ultrasound of both sides of head and neck blood flow 125 122 $38
93971 Ultrasound study of one arm or leg veins with compression and maneuvers 68 67 $21
99204 New patient office or other outpatient visit, 45-59 minutes 63 63 $167
93978 Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts 48 48 $37
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 45 26 $78
93923 Complete ultrasound study of arm and leg arteries 42 41 $21
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 40 40 $129
93880 Ultrasound of both sides of head and neck blood flow 39 39 $38

In context: peer comparison

Among 1 peers in this city , average services per provider: 56. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$353
Transactions
3
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Inari Medical, Inc. 3 $352.93

By nature of payment

Food and Beverage
$353

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
192
Patients
0
Total drug cost
$20,796
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 36 0 $558
Clopidogrel (Clopidogrel Bisulfate) Brand 29 0 $488
Eliquis (Apixaban) Brand 26 0 $17,102
Rosuvastatin Calcium Generic 24 0 $696
Cefuroxime (Cefuroxime Axetil) Brand 22 0 $828
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 21 0 $287
Cilostazol Generic 19 0 $418
Gabapentin Generic 15 0 $420

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Gemmett's medical specialty?
Dr. Stephen Gemmett practices Vascular Surgery Physician in Dover, NH.
Where does Dr. Stephen Gemmett practice?
Dr. Stephen Gemmett practices at 19 Old Rollinsford RD, Dover, NH 038202807. Office phone: 6035164265.
What is Dr. Stephen Gemmett's NPI?
Dr. Stephen Gemmett's National Provider Identifier (NPI) is 1518928316, issued by NPPES.
Does Dr. Stephen Gemmett accept Medicare assignment?
Yes. Dr. Stephen Gemmett accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Gemmett commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Ultrasound study of one arm or leg veins with compression and maneuvers (HCPCS 93971); Ultrasound of both sides of head and neck blood flow (HCPCS 93880). Source: CMS Medicare Physician & Other Practitioners file.