SARAH L KETCHUM (M.D.) – Hematology & Oncology Physician, NPI 1689781536
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
86 HEMATOLOGY/ONCOLOGY in ME
Provider Addresses for SARAH L KETCHUM (M.D.)
265 WESTERN AVE
SOUTH PORTLAND, ME 041062458
Phone: (207) 661-0200
Type: Location
3073 White Mountain Hwy
North Conway, NH 038607101
Phone: (603) 356-4904
Fax: (603) 356-0842
Type: Location
Mercy Hospital, 144, State Street, Old Port, Portland, Cumberland County, Maine, 04102, United States
MERCY HOSPITAL--DEPARTMENT OF ONCOLOGY
PORTLAND, ME 041013776
Phone: (207) 879-3030
Type: Location
94, Gray Street, Arts District, West End, Portland, Cumberland County, Maine, 04102, United States
PORTLAND, ME 041023847
Phone: (207) 879-3030
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 $18.
Total Amount is formed as General ($18) + Research ($0) + Ownership ($0) = $18.
Last reported payment date: 2024-11-04 • Largest payer in this snapshot: Merck Sharp & Dohme LLC ($18).
Total Amount
$18
General + Research + Ownership
Payments
1
Total payment records
General Amount
$18
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Merck Sharp & Dohme LLC | $18 |
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: 2024-07-25
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
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 |
|---|---|---|---|---|
| I20070911000327 | I | Hematology/Oncology | ME | TBD |
| I20240725002283 | I | Hematology/Oncology | NH | 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 | 156 | 78 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 87 | 69 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 63 | 36 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $0 |
Insurance plans in this area (ZIP 04106)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | PA | |
| - | ME | |
| - | ME | |
| - | ME | |
| - | ME | |
| Family Practice, Hospice/Palliative Care | ME | |
| Pediatric Medicine, Endocrinology | MA | |
| - | ME | |
| Family Practice | ME | |
| Nurse Practitioner | ME |
Reviews
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