DR. NATHANIEL MICHAEL COOK M.D.
NPI 1487903472
Internal Medicine - Hematology & Oncology in Dartmouth, MA
About Dr. Nathaniel Michael Cook M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. NATHANIEL MICHAEL COOK M.D. (NPI 1487903472) is an individual hematology & oncology provider in Dartmouth, Massachusetts, licensed in Massachusetts (262843) and active in the NPI registry since September 2012. He is enrolled in Medicare PECOS, is affiliated with Saint Anne's Hospital, and maintains a secondary practice location in Providence.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Nathaniel Michael Cook M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Nathaniel Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dartmouth, MA 02747
- Reassigned Medicare billing, Massachusetts enrollment
- Also billed through NPI 1629398219 (Massachusetts)
- 241 clinicians in this Medicare group
Fall River, MA 02721
- Reassigned Medicare billing, Massachusetts enrollment
- 24 clinicians in this Medicare group
Taunton, MA 02780
- Reassigned Medicare billing, Massachusetts enrollment
- 547 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Anne's Hospital
Acute Care Hospitals · Fall River, MAMorton Hospital
Acute Care Hospitals · Taunton, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02747 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DARTMOUTH, MA 02747
DARTMOUTH, MA 02747
NORTH DARTMOUTH, MA 02747
NORTH DARTMOUTH, MA 02747
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Nathaniel Cook's NPI number?
The NPI number for Nathaniel Cook is 1487903472. It was assigned to this individual provider in the NPPES registry on September 5, 2012.
Where is Nathaniel Cook located?
Nathaniel Cook practices at 537 Faunce Corner Rd, Dartmouth, MA 02747. The listed phone number is (508) 961-0710.
What is Nathaniel Cook's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Nathaniel Cook enrolled in Medicare?
Yes. Nathaniel Cook is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Nathaniel Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nathaniel Cook reassigns Medicare benefits to 3 organizations: Steward Medical Group, Inc (Dartmouth, MA), Lifespan Of Massachusetts - Fall River Inc (Fall River, MA) and Lifespan Physician Group Of Massachusetts Inc (Taunton, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nathaniel Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nathaniel Cook accept?
Health plans from Anthem Blue Cross and Blue Shield list Nathaniel Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Nathaniel Cook affiliated with any hospitals?
According to CMS data, Nathaniel Cook is affiliated with Saint Anne's Hospital and Morton Hospital.
When was this NPI record last updated?
The NPPES record for Nathaniel Cook was last updated on April 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Nathaniel Michael Cook, M.D. · NPI 1487903472
Hematology & Oncology physician in Dartmouth, Massachusetts. Individual provider, active in the CMS NPPES registry since September 5, 2012.
## Identity
- **NPI:** 1487903472 (Entity type: Individual)
- **Enumerated:** September 5, 2012
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 262843 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 537 FAUNCE CORNER RD, Dartmouth, MA 02747-1242
- **Phone:** (508) 961-0710
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Steward Medical Group, Inc (NPI 1821349317, Dartmouth, MA); Lifespan Of Massachusetts - Fall River Inc (NPI 1972330165, Fall River, MA); Lifespan Physician Group Of Massachusetts Inc (NPI 1235957713, Taunton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Temple University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** April 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1487903472) · Data from the CMS NPPES public registry.