Doctor profile · Federal record

Dr. John Nelson, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Mystic, CT

  • NPI 1376540005
  • Accepts Medicare
  • MIPS 89.3 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
11 Main St Unit 11-205
Mystic, CT 063553654
(860) 421-1090
fax (860) 421-1091

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
September 11, 2024
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #034771
Medicaid
CT #001347716

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376540005. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
612
Distinct HCPCS
10
Medicare allowed
$54,878
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 232 108 $97
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 89 89 $139
99214 Established patient office or other outpatient visit, 30-39 minutes 68 47 $137
G0008 Administration of influenza virus vaccine 58 58 $33
90662 Influenza vaccine split virus, preservative free 57 57 $70
99212 Established patient office or other outpatient visit, 10-19 minutes 32 29 $61
81003 Automated urinalysis test 19 13 $2
90480 Admn sarscov2 vacc 1 dose 15 15 $43
91320 Sarscv2 vac 30mcg trs-suc im 15 15 $128
83036 Hemoglobin a1c level 14 12 $10

In context: peer comparison

Among 6 peers in this city , average services per provider: 84. This provider delivers 7.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $16.58

By nature of payment

Food and Beverage
$17

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,068
Patients
233
Total drug cost
$72,889
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 221 57 $3,284
Amlodipine Besylate Generic 120 29 $838
Losartan Potassium Generic 85 19 $1,279
Levothyroxine Sodium Generic 72 19 $1,359
Lisinopril Generic 66 18 $767
Montelukast Sodium Generic 62 19 $989
Omeprazole Generic 60 16 $918
Eliquis (Apixaban) Brand 59 0 $59,125
Metoprolol Succinate Generic 58 14 $938
Tamsulosin Hcl Generic 57 18 $1,183

Frequently asked questions

Auto-generated from federal data
What is Dr. John Nelson's medical specialty?
Dr. John Nelson practices Internal Medicine Physician in Mystic, CT.
Where does Dr. John Nelson practice?
Dr. John Nelson practices at 11 Main St Unit 11-205, Mystic, CT 063553654. Office phone: 8604211090.
What is Dr. John Nelson's NPI?
Dr. John Nelson's National Provider Identifier (NPI) is 1376540005, issued by NPPES.
Does Dr. John Nelson accept Medicare assignment?
Yes. Dr. John Nelson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Nelson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.