Doctor profile · Federal record

Dr. Karen Lochhead, MD

Nephrology Physician (CMS: Internal Medicine) · Thornton, CO

  • NPI 1275524761
  • Accepts Medicare
  • 36 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
9195 Grant St Ste 225
Thornton, CO 802294349
(720) 536-2460
fax (720) 536-2466
Additional location
500 Discovery Pkwy Ste 150
Superior, CO 800278645
Mailing address
13901 E Exposition Ave Ste 202
Aurora, CO 800122535

Credentials & registration

NPPES · NUCC
NPI registered
November 2005 — 21 yrs on file
Profile last updated
July 28, 2025
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Colorado #39339
Medicaid
CO #61333344

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275524761. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
510
Distinct HCPCS
7
Medicare allowed
$77,155
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 222 102 $118
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 98 19 $292
99215 Established patient office or other outpatient visit, 40-54 minutes 57 41 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 48 46 $172
99214 Established patient office or other outpatient visit, 30-39 minutes 39 33 $85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 33 23 $79
90935 Hemodialysis procedure with physician evaluation 13 12 $71

In context: peer comparison

Among 3 peers in Thornton Nephrology Physician, average services per provider: 104. This provider delivers 4.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
532
Patients
127
Total drug cost
$120,555
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 81 29 $871
Furosemide Generic 76 34 $831
Jardiance (Empagliflozin) Brand 72 20 $75,192
Losartan Potassium Generic 52 20 $863
Lisinopril Generic 34 11 $645
Carvedilol Generic 29 13 $563
Allopurinol Generic 28 0 $484
Tamsulosin Hcl Generic 25 0 $484
Prednisone Generic 24 0 $151
Potassium Chloride Generic 21 0 $1,188

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Lochhead's medical specialty?
Dr. Karen Lochhead practices Nephrology Physician in Thornton, CO.
Where does Dr. Karen Lochhead practice?
Dr. Karen Lochhead practices at 9195 Grant St Ste 225, Thornton, CO 802294349. Office phone: 7205362460.
What is Dr. Karen Lochhead's NPI?
Dr. Karen Lochhead's National Provider Identifier (NPI) is 1275524761, issued by NPPES.
Does Dr. Karen Lochhead accept Medicare assignment?
Yes. Dr. Karen Lochhead accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Lochhead commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Dialysis services, 2-3 physician visits per month (20 years or older) (HCPCS 90961); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.