THOMAS H OPENSHAW (MD) – Hematology & Oncology Physician, NPI 1588695811
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for THOMAS H OPENSHAW (MD)
Northern Light Health Home Office, 43, Whiting Hill Road, Brewer, Penobscot County, Maine, 04412, United States
STE 300
BREWER, ME 044121005
Phone: (207) 973-5035
Fax: (207) 973-5042
Type: Mailing
33, Whiting Hill Road, Brewer, Penobscot County, Maine, 04412, United States
SUITE 21
BREWER, ME 044121021
Phone: (207) 973-7000
Fax: (207) 973-5042
Type: Location
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 $73.
Total Amount is formed as General ($73) + Research ($0) + Ownership ($0) = $73.
Last reported payment date: 2024-12-13 • Largest payer in this snapshot: Janssen Scientific Affairs, LLC ($73).
Total Amount
$73
General + Research + Ownership
Payments
1
Total payment records
General Amount
$73
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Janssen Scientific Affairs, LLC | $73 |
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: 2019-11-21
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20191121001018 | I | Hematology | MA | 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 | 339 | 171 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 139 | 102 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 94 | 86 | $0 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 36 | 36 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 27 | 27 | $0 |
Insurance plans in this area (ZIP 04412)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Pulmonary Disease, Critical Care (Intensivists), Internal Medicine | MA | |
| Diagnostic Radiology | NH | |
| Diagnostic Radiology | OK | |
| Physician Assistant | MA | |
| Internal Medicine | MA | |
| Radiation Oncology, Hematology/Oncology | OH | |
| Nephrology, Internal Medicine | MA | |
| Physician Assistant | MA | |
| P S Y C H I A T R Y | ME | |
| Internal Medicine, Cardiac Electrophysiology, Cardiovascular Disease (Cardiology) | RI |
Reviews
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