GRETCHEN AHRENDT (MD) – Surgery Physician, NPI 1396802500
Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
756 GENERAL SURGERY in CO
Provider Addresses for GRETCHEN AHRENDT (MD)
11700 W 2nd Pl
MOB 2 Ste 210
Lakewood, CO 802281716
Phone: (720) 321-8080
Fax: (720) 321-8081
Type: Location
PO BOX 110429
AURORA, CO 800420429
Phone:
Type: Mailing
University of Colorado Hospital, 12605, East 16th Avenue, Aurora, Adams County, Colorado, 80045, United States
AURORA, CO 800452545
Phone: (720) 848-0000
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 $254.
Total Amount is formed as General ($254) + Research ($0) + Ownership ($0) = $254.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: ImpediMed, Inc. ($170).
Total Amount
$254
General + Research + Ownership
Payments
2
Total payment records
General Amount
$254
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ImpediMed, Inc. | $170 |
| Merit Medical Systems Inc | $84 |
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: 2017-05-16
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 |
|---|---|---|---|---|
| I20170516002746 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 33 | 29 | $0 |
| 19301 | Partial removal of breast | 28 | 26 | $0 |
| 38900 | Imaging of lymph nodes during surgery | 21 | 21 | $0 |
| 38525 | Biopsy or removal of deep lymph nodes of underarm | 18 | 18 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 15 | 11 | $0 |
Insurance plans in this area (ZIP 80228)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CO | |
| Radiation Oncology | TX | |
| - | CO | |
| Hospitalist, General Practice, Family Practice | CO | |
| Cardiovascular Disease (Cardiology) | NM | |
| Family Practice | OK | |
| Internal Medicine | CO | |
| - | IL | |
| H E M A T O L O G Y/ O N C O L O G Y | TX | |
| Internal Medicine | PA |
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