Doctor profile · Federal record

Dr. David Benton, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Topsham, ME

  • NPI 1336346501
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
105 Topsham Fair Mall RD Unit 1
Topsham, ME 04086
(207) 303-3300
fax (207) 250-2137
Additional location
11 Rock Row Ste 120
Westbrook, ME 040924877
fax (207) 250-2139
Additional location
11 Rock Row Ste 150
Westbrook, ME 040924877
fax (207) 250-2139
Show 3 more locations
Additional location
11 Rock Row Ste 320
Westbrook, ME 040924877
fax (207) 250-2139
Additional location
2 Independence Dr
Kennebunk, ME 040436078
fax (207) 250-2144
Additional location
155 Borthwick Ave Ste C
Portsmouth, NH 038017156
(603) 828-0100
fax (603) 828-0111
Mailing address
Po Box 911
Brattleboro, VT 053020911

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
April 28, 2025
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Maine #017480 · New Hampshire #20196
Medicaid
ME #432628199

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336346501. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
135,261
Distinct HCPCS
10
Medicare allowed
$3,266,250
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 26,250 22 $1
J9144 Injection, daratumumab, 10 mg and hyaluronidase-fihj 23,580 16 $48
J9271 Injection, pembrolizumab, 1 mg 22,000 15 $54
J0881 Injection, darbepoetin alfa, 1 microgram (non-esrd use) 20,500 16 $3
Q0138 Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use) 13,260 16 $0
J0897 Injection, denosumab, 1 mg 10,440 26 $23
J1569 Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg 5,450 17 $45
J9041 Injection, bortezomib, 0.1 mg 3,255 12 $5
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,403 40 $0
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 1,235 301 $8

In context: peer comparison

Among 3 peers in this city , average services per provider: 1,543. This provider delivers 88× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$201
Transactions
8
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 3 $83.08
Janssen Pharmaceuticals, Inc 2 $44.00
Daiichi Sankyo Inc. 1 $27.42
PFIZER INC. 1 $26.46
Astellas Pharma US Inc 1 $19.79

By nature of payment

Food and Beverage
$137
Education
$64

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,451
Patients
219
Total drug cost
$7,221,203
Drug Type Claims Patients Total cost
Abiraterone Acetate Generic 336 41 $1,151,460
Prednisone Generic 308 59 $2,586
Erleada (Apalutamide) Brand 91 13 $1,361,272
Nubeqa (Darolutamide) Brand 80 11 $1,035,492
Eliquis (Apixaban) Brand 73 16 $48,522
Revlimid (Lenalidomide) Brand 70 11 $1,244,953
Jakafi (Ruxolitinib Phosphate) Brand 68 0 $1,209,543
Acyclovir Generic 65 15 $1,679
Hydroxyurea Generic 64 14 $2,379
Venclexta (Venetoclax) Brand 62 0 $993,371

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. David Benton's medical specialty?
Dr. David Benton practices Hematology & Oncology Physician in Topsham, ME.
Where does Dr. David Benton practice?
Dr. David Benton practices at 105 Topsham Fair Mall RD Unit 1, Topsham, ME 04086. Office phone: 2073033300.
What is Dr. David Benton's NPI?
Dr. David Benton's National Provider Identifier (NPI) is 1336346501, issued by NPPES.
Does Dr. David Benton accept Medicare assignment?
Yes. Dr. David Benton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Benton commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, daratumumab, 10 mg and hyaluronidase-fihj (HCPCS J9144); Injection, pembrolizumab, 1 mg (HCPCS J9271). Source: CMS Medicare Physician & Other Practitioners file.