Doctor profile · Federal record

Dr. Ian Kleinhen, M.D.

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

  • NPI 1013916808
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
74 Mack St
Windsor, CT 060952759
(860) 298-8830
fax (860) 298-9929

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
February 27, 2020
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #036853
Medicaid
CT #001368530

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1013916808. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
541
Distinct HCPCS
8
Medicare allowed
$57,327
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 170 85 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 112 59 $95
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 81 81 $136
99497 Advance care planning, first 30 minutes 74 74 $86
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 39 39 $74
G0008 Administration of influenza virus vaccine 39 39 $33
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 14 14 $15
99215 Established patient office or other outpatient visit, 40-54 minutes 12 12 $188

In context: peer comparison

Among 3 peers in this city , average services per provider: 59. This provider delivers 9.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$462
Transactions
12
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 6 $261.93
Amgen Inc. 1 $101.63
Lilly USA, LLC 1 $21.36
Actelion Pharmaceuticals US, Inc. 1 $21.15
PFIZER INC. 1 $19.56
Novo Nordisk Inc 1 $18.12
Exact Sciences Corporation 1 $17.85

By nature of payment

Food and Beverage
$458
Education
$4

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,666
Patients
414
Total drug cost
$124,046
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 302 89 $8,079
Levothyroxine Sodium Generic 185 44 $2,905
Amlodipine Besylate Generic 168 41 $1,094
Atorvastatin Calcium Generic 164 37 $2,103
Metformin Hcl Generic 113 26 $888
Lisinopril Generic 111 27 $852
Ramipril Generic 80 19 $708
Hydrochlorothiazide Generic 79 21 $304
Metoprolol Succinate Generic 76 15 $1,684
Gabapentin Generic 75 17 $1,589

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Kleinhen's medical specialty?
Dr. Ian Kleinhen practices Internal Medicine Physician in Windsor, CT.
Where does Dr. Ian Kleinhen practice?
Dr. Ian Kleinhen practices at 74 Mack St, Windsor, CT 060952759. Office phone: 8602988830.
What is Dr. Ian Kleinhen's NPI?
Dr. Ian Kleinhen's National Provider Identifier (NPI) is 1013916808, issued by NPPES.
Does Dr. Ian Kleinhen accept Medicare assignment?
Yes. Dr. Ian Kleinhen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ian Kleinhen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.