Doctor profile · Federal record

Dr. Jonathan Sixon, M.D.

Family Medicine Physician (CMS: Family Practice) · Milford, NH

  • NPI 1114027570
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
444 Nashua St
Milford, NH 030554915
(603) 673-3014
fax (603) 672-7654
Mailing address
C/O St Mary's Health System - Provider Enrollment, Po Box 7291
Lewiston, ME 042433100

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
May 22, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
New Hampshire #12080
Medicaid
NH #3073830

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114027570. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
783
Distinct HCPCS
5
Medicare allowed
$47,278
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 460 259 $77
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 180 180 $19
99213 Established patient office or other outpatient visit, 20-29 minutes 99 78 $61
93793 Anticoagulant management of patient taking warfarin 30 11 $12
99204 New patient office or other outpatient visit, 45-59 minutes 14 14 $134

In context: peer comparison

Among 8 peers in Milford Family Medicine Physician, average services per provider: 114. This provider delivers 6.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$61
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 2 $61.45

By nature of payment

Food and Beverage
$61

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,965
Patients
558
Total drug cost
$29,419
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 325 83 $4,735
Amlodipine Besylate Generic 213 63 $1,842
Lisinopril Generic 213 59 $2,073
Levothyroxine Sodium Generic 177 49 $2,301
Gabapentin Generic 113 28 $3,119
Metoprolol Succinate Generic 109 33 $2,676
Losartan Potassium Generic 108 31 $1,728
Rosuvastatin Calcium Generic 108 33 $1,994
Tamsulosin Hcl Generic 104 32 $2,506
Omeprazole Generic 95 33 $1,472

Frequently asked questions

Auto-generated from federal data
What is Dr. Jonathan Sixon's medical specialty?
Dr. Jonathan Sixon practices Family Medicine Physician in Milford, NH.
Where does Dr. Jonathan Sixon practice?
Dr. Jonathan Sixon practices at 444 Nashua St, Milford, NH 030554915. Office phone: 6036733014.
What is Dr. Jonathan Sixon's NPI?
Dr. Jonathan Sixon's National Provider Identifier (NPI) is 1114027570, issued by NPPES.
Does Dr. Jonathan Sixon accept Medicare assignment?
Yes. Dr. Jonathan Sixon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jonathan Sixon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.