DR. ANNE M LARSON (M.D.) – Transplant Hepatology Physician, NPI 1003906959
Transplant Hepatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
474 GASTROENTEROLOGY in WA
Provider Addresses for DR. ANNE M LARSON (M.D.)
PO BOX 50095
1560 N 115TH STREET #207
SEATTLE, WA 981455095
Phone: (206) 520-5700
Fax: (206) 668-1342
Type: Mailing
1560 N 115TH ST STE 207
SEATTLE, WA 981338414
Phone: (206) 668-1341
Fax: (206) 668-1342
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: 2011-09-27
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 |
|---|---|---|---|---|
| I20110927000887 | I | Gastroenterology | WA | 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 | 68 | 68 | $0 |
| 91200 | Measurement of liver stiffness | 60 | 60 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 52 | 44 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 34 | 34 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 98145)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y | WA | |
| Infectious Disease | OR | |
| - | WA | |
| - | WA | |
| Family Practice | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA | |
| - | WA |
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