JUSTIN M MARASIGAN (DO) – Gastroenterology Physician, NPI 1174714067
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
475 GASTROENTEROLOGY in WA
Provider Addresses for JUSTIN M MARASIGAN (DO)
1006 North H Street
Aberdeen, WA 98520
Phone: (360) 537-6496
Fax: (360) 537-6322
Type: Location
350, West Broadway, Glendale, Los Angeles County, California, 91204, United States
GLENDALE, CA 912041303
Phone: (626) 808-4774
Type: Mailing
Wankel Way, Oxnard, Ventura County, California, 93030, United States
OXNARD, CA 930300191
Phone: (805) 983-0521
Fax: (805) 983-4186
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 152 Open Payments records for all available years, with a total value of $3,224.
Total Amount is formed as General ($3,224) + Research ($0) + Ownership ($0) = $3,224.
Last reported payment date: 2024-12-20 • Largest payer in this snapshot: ABBVIE INC. ($1,302).
Total Amount
$3,224
General + Research + Ownership
Payments
152
Total payment records
General Amount
$3,224
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $1,302 |
| Janssen Biotech, Inc. | $327 |
| PFIZER INC. | $235 |
| Phathom Pharmaceuticals, Inc. | $199 |
| Regeneron Healthcare Solutions, Inc. | $151 |
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: 2020-07-21
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 |
|---|---|---|---|---|
| I20200721000807 | I | Gastroenterology | CA | 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 |
|---|---|---|---|---|
| 99439 | Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | 657 | 56 | $0 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 378 | 55 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 230 | 177 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 131 | 131 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 122 | 119 | $0 |
Insurance plans in this area (ZIP 98520)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| G A S T R O E N T E R O L O G Y | CA | |
| - | CA | |
| Gastroenterology, Internal Medicine | CA |
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