Doctor profile · Federal record

Dr. Cocav Rauwerdink, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Derry, NH

  • NPI 1649388018
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6 Tsienneto RD, Lahey Parkland Onocology
Derry, NH 030381584
(603) 432-1500

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
January 2, 2017
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
New Hampshire #13242 · Massachusetts #253662
Medicaid (2)
VT #1018016 · NH #30209817

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649388018. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
779
Distinct HCPCS
6
Medicare allowed
$82,232
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 511 205 $96
99215 Established patient office or other outpatient visit, 40-54 minutes 105 63 $141
99204 New patient office or other outpatient visit, 45-59 minutes 45 45 $132
99443 Telephone medical discussion with physician, 21-30 minutes 44 36 $96
99213 Established patient office or other outpatient visit, 20-29 minutes 43 36 $66
99205 New patient office or other outpatient visit, 60-74 minutes 31 31 $179

In context: peer comparison

Among 1 peers in Derry Hematology & Oncology Physician, average services per provider: 129. This provider delivers 6.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
220
Patients
51
Total drug cost
$297,464
Drug Type Claims Patients Total cost
Prednisone Generic 48 12 $340
Oxycodone Hcl Generic 27 17 $429
Acyclovir Generic 25 0 $321
Abiraterone Acetate Generic 22 0 $60,833
Hydroxyurea Generic 22 0 $1,013
Lorazepam Generic 18 11 $38
Ondansetron Odt (Ondansetron) Brand 16 0 $540
Xtandi (Enzalutamide) Brand 15 0 $233,439
Omeprazole Generic 14 11 $144
Potassium Chloride Generic 13 0 $367

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cocav Rauwerdink's medical specialty?
Dr. Cocav Rauwerdink practices Hematology & Oncology Physician in Derry, NH.
Where does Dr. Cocav Rauwerdink practice?
Dr. Cocav Rauwerdink practices at 6 Tsienneto RD, Derry, NH 030381584. Office phone: 6034321500.
What is Dr. Cocav Rauwerdink's NPI?
Dr. Cocav Rauwerdink's National Provider Identifier (NPI) is 1649388018, issued by NPPES.
Does Dr. Cocav Rauwerdink accept Medicare assignment?
Yes. Dr. Cocav Rauwerdink accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cocav Rauwerdink commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.