DR. NATHANIEL MICHAEL COOK (M.D.) – Hematology & Oncology Physician, NPI 1487903472
Hematology & Oncology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
606 HEMATOLOGY/ONCOLOGY in MA
Provider Addresses for DR. NATHANIEL MICHAEL COOK (M.D.)
537 FAUNCE CORNER RD
DARTMOUTH, MA 027471242
Phone:
Type: Mailing
825 Chalkstone Ave
Providence, RI 029084728
Phone: (401) 456-6565
Fax: (401) 456-6793
Type: Location
825 CHALKSTONE AVE
PROVIDENCE, RI 029084728
Phone: (401) 456-6565
Fax: (401) 456-6793
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 15 Open Payments records for all available years, with a total value of $322.
Total Amount is formed as General ($322) + Research ($0) + Ownership ($0) = $322.
Last reported payment date: 2024-11-14 • Largest payer in this snapshot: Seagen Inc. ($67).
Total Amount
$322
General + Research + Ownership
Payments
15
Total payment records
General Amount
$322
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-14
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: 2015-09-02
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 |
|---|---|---|---|---|
| I20150902001369 | I | Hematology/Oncology | 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 | 46 | 46 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 24 | 18 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 21 | 20 | $0 |
Insurance plans in this area (ZIP 02747)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | MA | |
| P S Y C H I A T R Y | MA | |
| Cardiovascular Disease (Cardiology) | MA | |
| Nurse Practitioner | MA | |
| Internal Medicine, Optometry | MA | |
| Cardiovascular Disease (Cardiology) | MA | |
| Medical Oncology, Hematology/Oncology | RI | |
| Addiction Medicine | MA | |
| Nurse Practitioner | MA | |
| P S Y C H I A T R Y | MA |
Reviews
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