Doctor profile · Federal record

Dr. Karen Ernst, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Glens Falls, NY

  • NPI 1851386403
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
North Country Imaging Center, 11 Murray St
Glens Falls, NY 12801
(518) 793-1000
fax (518) 793-3125
Mailing address
Po Box 985
Glens Falls, NY 128010985

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
June 22, 2010
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
New York #208139
Medicaid
NY #01881305

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851386403. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,368
Distinct HCPCS
9
Medicare allowed
$137,033
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 495 495 $123
77063 Screening 3d breast mammography 431 431 $51
76642 Limited ultrasound scan of 1 breast 174 168 $110
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 74 74 $51
77065 Diagnostic mammography of 1 breast 62 55 $120
77066 Diagnostic mammography of both breasts 50 50 $152
76641 Complete ultrasound scan of 1 breast 49 49 $148
19083 Biopsy of breast and placement of locating device using ultrasound, first growth 18 18 $485
77080 Dxa bone density measurement of hip, pelvis, spine 15 15 $36

In context: peer comparison

Among 1 peers in Glens Falls Diagnostic Radiology Physician, average services per provider: 152. This provider delivers 9.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Ernst's medical specialty?
Dr. Karen Ernst practices Diagnostic Radiology Physician in Glens Falls, NY.
Where does Dr. Karen Ernst practice?
Dr. Karen Ernst practices at North Country Imaging Center, Glens Falls, NY 12801. Office phone: 5187931000.
What is Dr. Karen Ernst's NPI?
Dr. Karen Ernst's National Provider Identifier (NPI) is 1851386403, issued by NPPES.
Does Dr. Karen Ernst accept Medicare assignment?
Yes. Dr. Karen Ernst accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Ernst commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); Limited ultrasound scan of 1 breast (HCPCS 76642). Source: CMS Medicare Physician & Other Practitioners file.