Doctor profile · Federal record

Dr. Bjorn Ringstad, MD

Internal Medicine Physician · North Haven, CT

  • NPI 1699707448
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
12 Village St, Suite 5
North Haven, CT 06473
(203) 865-6400
fax (203) 865-0195

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Connecticut #020407
Medicaid
CT #001204072

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1699707448. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,142
Distinct HCPCS
10
Medicare allowed
$113,278
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 467 242 $136
80053 Blood test, comprehensive group of blood chemicals 192 154 $10
80061 Blood test, lipids (cholesterol and triglycerides) 187 151 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 187 147 $8
84443 Blood test, thyroid stimulating hormone (tsh) 153 129 $16
36415 Insertion of needle into vein for collection of blood sample 141 109 $8
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 105 105 $139
83036 Hemoglobin a1c level 85 61 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 81 63 $95
G0008 Administration of influenza virus vaccine 64 62 $33

In context: peer comparison

Among 6 peers in this city , average services per provider: 88. This provider delivers 24× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,685
Patients
1,110
Total drug cost
$182,905
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 734 220 $8,754
Amlodipine Besylate Generic 373 120 $2,992
Lisinopril Generic 353 105 $2,775
Levothyroxine Sodium Generic 348 101 $5,956
Hydrochlorothiazide Generic 286 86 $1,787
Metformin Hcl Generic 228 65 $2,366
Losartan Potassium Generic 223 71 $2,929
Rosuvastatin Calcium Generic 195 67 $5,222
Pravastatin Sodium Generic 169 52 $3,039
Metoprolol Succinate Generic 156 43 $3,077

Frequently asked questions

Auto-generated from federal data
What is Dr. Bjorn Ringstad's medical specialty?
Dr. Bjorn Ringstad practices Internal Medicine Physician in North Haven, CT.
Where does Dr. Bjorn Ringstad practice?
Dr. Bjorn Ringstad practices at 12 Village St, North Haven, CT 06473. Office phone: 2038656400.
What is Dr. Bjorn Ringstad's NPI?
Dr. Bjorn Ringstad's National Provider Identifier (NPI) is 1699707448, issued by NPPES.
What procedures does Dr. Bjorn Ringstad commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061). Source: CMS Medicare Physician & Other Practitioners file.