DR. KAREN M LOCHHEAD (MD) – Nephrology Physician, NPI 1275524761
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,996 INTERNAL MEDICINE in CO
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Provider Addresses for DR. KAREN M LOCHHEAD (MD)
2399, Kalmia Avenue, Boulder, Boulder County, Colorado, 80304, United States
BOULDER, CO 803041964
Phone: (303) 998-1050
Type: Mailing
360, Exempla Circle, Lafayette, Boulder County, Colorado, 80026, United States
LAFAYETTE, CO 800263395
Phone: (303) 327-4700
Fax: (303) 327-4711
Type: Location
500 Discovery Pkwy Ste 150
Superior, CO 800278645
Phone: (720) 536-2460
Fax: (720) 536-2466
Type: Location
13901 E EXPOSITION AVE STE 202
AURORA, CO 800122535
Phone: (303) 327-4700
Type: Mailing
9195 GRANT ST STE 225
THORNTON, CO 802294349
Phone: (720) 536-2460
Fax: (720) 536-2466
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $37.
Total Amount is formed as General ($37) + Research ($0) + Ownership ($0) = $37.
Last reported payment date: 2023-12-16 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($37).
Total Amount
$37
General + Research + Ownership
Payments
2
Total payment records
General Amount
$37
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $37 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2008-11-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20081106000810 | I | Internal Medicine | CO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 222 | 102 | $0 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 98 | 19 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 57 | 41 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 48 | 46 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 39 | 33 | $0 |
Insurance plans in this area (ZIP 80304)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nephrology, Internal Medicine | CO | |
| Nephrology, Internal Medicine | CO | |
| Nurse Practitioner | CO | |
| N E P H R O L O G Y | CO | |
| Nurse Practitioner | CO | |
| N E P H R O L O G Y | CO | |
| Nephrology, Internal Medicine | CO | |
| - | CO | |
| Nurse Practitioner | CO | |
| Nephrology, Internal Medicine | CO |
Reviews
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