Doctor profile · Federal record

Dr. Christopher Kolker, MD

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Norwich, CT

  • NPI 1346292711
  • Accepts Medicare
  • MIPS 84.3 / 100 · 2023
  • 30 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
47 Town St
Norwich, CT 063602315
(860) 892-7042

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
September 19, 2013
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Connecticut #52185 · California #A78919
Medicaid (2)
OK #100102890B · CT #008045537

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1346292711. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,159
Distinct HCPCS
10
Medicare allowed
$123,512
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 357 172 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 234 154 $95
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 108 108 $137
83036 Hemoglobin a1c level 59 39 $10
82962 Blood glucose (sugar) test performed by hand-held instrument 55 38 $3
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 55 55 $281
G0009 Administration of pneumococcal vaccine 54 54 $33
G0008 Administration of influenza virus vaccine 39 39 $33
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 36 36 $15
90662 Influenza vaccine split virus, preservative free 35 35 $72

In context: peer comparison

Among 6 peers in Norwich Family Medicine Physician, average services per provider: 65. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$33
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 2 $33.25

By nature of payment

Food and Beverage
$33

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,907
Patients
824
Total drug cost
$41,939
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 393 128 $4,492
Levothyroxine Sodium Generic 305 70 $4,120
Amlodipine Besylate Generic 292 81 $1,821
Rosuvastatin Calcium Generic 251 80 $4,385
Losartan Potassium Generic 193 53 $2,379
Lisinopril Generic 182 55 $1,003
Tamsulosin Hcl Generic 171 48 $3,630
Oxycodone Hcl Generic 168 24 $4,515
Pantoprazole Sodium Generic 164 52 $2,498
Hydrochlorothiazide Generic 148 48 $793

Frequently asked questions

Auto-generated from federal data
What is Dr. Christopher Kolker's medical specialty?
Dr. Christopher Kolker practices Family Medicine Physician in Norwich, CT.
Where does Dr. Christopher Kolker practice?
Dr. Christopher Kolker practices at 47 Town St, Norwich, CT 063602315. Office phone: 8608927042.
What is Dr. Christopher Kolker's NPI?
Dr. Christopher Kolker's National Provider Identifier (NPI) is 1346292711, issued by NPPES.
Does Dr. Christopher Kolker accept Medicare assignment?
Yes. Dr. Christopher Kolker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Christopher Kolker 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.