DR. COCAV ANNA RAUWERDINK MD
NPI 1649388018
Internal Medicine - Hematology & Oncology in Derry, NH
About Dr. Cocav Anna Rauwerdink Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. COCAV ANNA RAUWERDINK MD (NPI 1649388018) is an individual hematology & oncology provider in Derry, New Hampshire, licensed in New Hampshire (13242) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Elliot Hospital, and is a graduate of Loma Linda University School Of Medicine (2004).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 4
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Cocav Anna Rauwerdink Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Cocav Rauwerdink reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Exeter, NH 03833
- Reassigned Medicare billing, New Hampshire enrollment
- 395 clinicians in this Medicare group
Newburyport, MA 01950
- Reassigned Medicare billing, Massachusetts enrollment
- 346 clinicians in this Medicare group
Burlington, MA 01805
- Reassigned Medicare billing, Massachusetts enrollment
- 1,574 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts and New Hampshire enrollments
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 clinicians in this Medicare group
Boston, MA 02215
- Reassigned Medicare billing, Massachusetts enrollment
- 2,579 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 6
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.
Elliot Hospital
Acute Care Hospitals · Manchester, NHExeter Hospital Inc
Acute Care Hospitals · Exeter, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03038 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DERRY, NH 03038
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 Cocav Rauwerdink's NPI number?
The NPI number for Cocav Rauwerdink is 1649388018. It was assigned to this individual provider in the NPPES registry on August 27, 2006. The provider is also known as Dr. Cocav Anna Engman MD.
Where is Cocav Rauwerdink located?
Cocav Rauwerdink practices at 6 Tsienneto Rd Lahey Parkland Onocology, Derry, NH 03038. The listed phone number is (603) 432-1500.
What is Cocav Rauwerdink's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Cocav Rauwerdink enrolled in Medicare?
Yes. Cocav Rauwerdink is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Cocav Rauwerdink's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cocav Rauwerdink reassigns Medicare benefits to 6 organizations: Core Physicians, LLC (Exeter, NH), Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (Newburyport, MA), Lahey Clinic, Inc. (Burlington, MA), Massachusetts General Physicians Organization Inc (Boston, MA), The General Hospital Corporation (Boston, MA) and 1 more organization, listed in the Medicare section above. 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 Cocav Rauwerdink's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Cocav Rauwerdink accept?
Health plans from Ambetter from NH Healthy Families, Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care, Taro Health and WellSense Health Plan list Cocav Rauwerdink 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 Cocav Rauwerdink affiliated with any hospitals?
According to CMS data, Cocav Rauwerdink is affiliated with Elliot Hospital and Exeter Hospital Inc.
When was this NPI record last updated?
The NPPES record for Cocav Rauwerdink was last updated on January 2, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Cocav Anna Rauwerdink, MD · NPI 1649388018
Hematology & Oncology physician in Derry, New Hampshire. Individual provider, active in the CMS NPPES registry since August 27, 2006.
## Identity
- **NPI:** 1649388018 (Entity type: Individual)
- **Enumerated:** August 27, 2006
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 13242 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 6 TSIENNETO RD, LAHEY PARKLAND ONOCOLOGY, Derry, NH 03038-1584
- **Phone:** (603) 432-1500
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Core Physicians, LLC (NPI 1336330588, Exeter, NH); Associated Physicians Of Harvard Medical Faculty Physicians At Beth Is (NPI 1235537093, Newburyport, MA); Lahey Clinic, Inc. (NPI 1538194980, Burlington, MA); Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Loma Linda University School Of Medicine, class of 2004
## Record status
- **NPPES last updated:** January 2, 2017
- **Other identifiers:** Medicare PIN 001758604 (MA); Medicaid 1018016 (VT); Medicare PIN 001758601 (NH); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1649388018) · Data from the CMS NPPES public registry.