DR. MARCELLUS SAKA ASSIAGO (MD) – Nephrology Physician, NPI 1235348897
Nephrology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
90 NEPHROLOGY in UT
Provider Addresses for DR. MARCELLUS SAKA ASSIAGO (MD)
1244 N Main St Ste 101
Tooele, UT 840749839
Phone: (801) 288-2634
Fax: (801) 288-1186
Type: Location
624 S 1000 E Ste 103
St George, UT 847905902
Phone: (435) 652-1135
Fax: (435) 652-1190
Type: Location
DIVISION OF NEPHROLOGY UNIVERSITY OF UTAH
PO BOX 413033
SALT LAKE CITY, UT 841413033
Phone: (801) 213-3900
Type: Mailing
3702 S STATE ST STE 107
SOUTH SALT LAKE, UT 841155096
Phone: (801) 288-2634
Fax: (801) 288-1186
Type: Mailing
12523 S CREEK MEADOW RD STE 111
RIVERTON, UT 840657291
Phone: (801) 288-2634
Fax: (801) 288-1186
Type: Location
1320 N Main St Ste 103
Cedar City, UT 847211230
Phone: (435) 652-1135
Fax: (435) 652-1190
Type: Location
3702 S State St Ste 107
South Salt Lake, UT 841155096
Phone: (801) 288-2634
Fax: (801) 288-1186
Type: Location
3823 W 9000 S
West Jordan, UT 840885603
Phone: (801) 288-2634
Fax: (801) 288-1186
Type: Location
Salt Lake City, 400 South, Salt Lake City, Salt Lake County, Utah, 84139, United States
50 NORTH MEDICAL DRIVE
SALT LAKE CITY, UT 841320100
Phone: (801) 581-6709
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 17 Open Payments records for all available years, with a total value of $304.
Total Amount is formed as General ($304) + Research ($0) + Ownership ($0) = $304.
Last reported payment date: 2024-12-11 • Largest payer in this snapshot: Travere Therapeutics, Inc. ($72).
Total Amount
$304
General + Research + Ownership
Payments
17
Total payment records
General Amount
$304
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-11
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2008-08-01
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 |
|---|---|---|---|---|
| I20080801000371 | I | Nephrology | UT | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 178 | 132 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 166 | 27 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 102 | 43 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 76 | 36 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 69 | 57 | $0 |
Insurance plans in this area (ZIP 84074)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | UT | |
| Nephrology, Internal Medicine | UT | |
| Nephrology, Internal Medicine | UT | |
| Nurse Practitioner | UT | |
| Nephrology, Internal Medicine | UT | |
| N E P H R O L O G Y | UT |
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