KRISTEN ZHELNIN – Clinical Pathology Physician, NPI 1407146327
Clinical Pathology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for KRISTEN ZHELNIN
2920 N CASCADE AVE
STE 301
COLORADO SPRINGS, CO 809076265
Phone: (719) 636-1201
Type: Mailing
777 BANNOCK ST # MC0224
DENVER, CO 802044597
Phone: (303) 602-5221
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $79.
Total Amount is formed as General ($79) + Research ($0) + Ownership ($0) = $79.
Last reported payment date: 2023-10-26 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($79).
Total Amount
$79
General + Research + Ownership
Payments
1
Total payment records
General Amount
$79
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-10-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $79 |
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: 2016-07-12
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 |
|---|---|---|---|---|
| I20160712000647 | I | Pathology | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 122 | 76 | $0 |
| 88342 | Special stained specimen slides to examine tissue, initial procedure | 28 | 21 | $0 |
| 84165 | Protein measurement, serum | 15 | 14 | $0 |
| 86334 | Immunologic analysis technique on serum (immunofixation) | 15 | 14 | $0 |
| 88311 | Preparation of tissue for examination by removing any calcium present | 15 | 13 | $0 |
Insurance plans in this area (ZIP 80907)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Certified Clinical Nurse Specialist (Cns) | CO | |
| - | CO | |
| - | CO | |
| P A T H O L O G Y | CO | |
| Physician Assistant | CO | |
| Internal Medicine | CO | |
| P A T H O L O G Y | GA | |
| - | CO | |
| Internal Medicine | CO | |
| Interventional Radiology | NY |
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