MARSHA KATHLEEN GUESS (MD, MS) – Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician, NPI 1750593448
Urogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician
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Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
824 OBSTETRICS/GYNECOLOGY in CO
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Provider Addresses for MARSHA KATHLEEN GUESS (MD, MS)
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)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2017-01-30
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 |
|---|---|---|---|---|
| I20170130002928 | I | Obstetrics/Gynecology | 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 |
|---|---|---|---|---|
| 51729 | Complex measurement of pressure of urine flow in bladder with urethra pressure and voiding pressure studies | 62 | 59 | $0 |
| 51797 | Insertion of device into abdomen with pressure and urine flow rate study | 62 | 59 | $0 |
| 51741 | Electronic assessment of bladder emptying | 60 | 57 | $0 |
| 51784 | Non-needle measurement and recording of electrical activity of muscles at bladder and bowel openings | 59 | 58 | $0 |
| 52000 | Diagnostic exam of bladder and urethra using an endoscope | 44 | 44 | $0 |
Insurance plans in this area (ZIP 80042)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CO | |
| Family Practice | CO | |
| Advanced Heart Failure And Transplant Cardiology, Cardiac Electrophysiology, Cardiovascular Disease (Cardiology), Internal Medicine | CO | |
| Emergency Medicine | CO | |
| Emergency Medicine | CO | |
| - | CO | |
| - | CO | |
| Emergency Medicine | CO | |
| - | CO | |
| - | CO |
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