Doctor profile · Federal record

Dr. Chiara Battelli, MD

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

  • NPI 1831398551
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
11 Rock Row Ste 320
Westbrook, ME 040924877
(207) 303-3300
fax (207) 250-2139
Additional location
105 Topsham Fair Mall RD Unit 1
Topsham, ME 040861773
fax (207) 250-2137
Additional location
11 Rock Row Ste 120
Westbrook, ME 040924877
Show 3 more locations
Additional location
11 Rock Row Ste 150
Westbrook, ME 040924877
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
July 2007 — 19 yrs on file
Profile last updated
January 23, 2026
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Maine #MD19631 · New Hampshire #20195

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831398551. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
38,835
Distinct HCPCS
10
Medicare allowed
$378,218
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 14,250 13 $1
J9267 Injection, paclitaxel, 1 mg 9,567 14 $0
J0897 Injection, denosumab, 1 mg 4,080 15 $23
J9395 Injection, fulvestrant, 25 mg 1,630 21 $11
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,481 34 $0
J1626 Injection, granisetron hydrochloride, 100 mcg 1,440 24 $0
80053 Blood test, comprehensive group of blood chemicals 891 269 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 879 262 $7
36415 Insertion of needle into vein for collection of blood sample 616 248 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 598 179 $122

In context: peer comparison

Among 6 peers in this city , average services per provider: 1,075. This provider delivers 36× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$41
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo Inc. 1 $23.23
ABBVIE INC. 1 $17.52

By nature of payment

Food and Beverage
$41

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,119
Patients
331
Total drug cost
$1,377,595
Drug Type Claims Patients Total cost
Letrozole Generic 338 123 $9,400
Anastrozole Generic 242 81 $7,141
Tamoxifen Citrate Generic 137 49 $4,423
Verzenio (Abemaciclib) Brand 110 15 $1,297,087
Exemestane Generic 67 22 $24,861
Alendronate Sodium Generic 57 18 $605
Potassium Chloride Generic 34 11 $566
Omeprazole Generic 28 0 $223
Eliquis (Apixaban) Brand 18 0 $14,386
Duloxetine Hcl Generic 17 0 $717

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chiara Battelli's medical specialty?
Dr. Chiara Battelli practices Hematology & Oncology Physician in Westbrook, ME.
Where does Dr. Chiara Battelli practice?
Dr. Chiara Battelli practices at 11 Rock Row Ste 320, Westbrook, ME 040924877. Office phone: 2073033300.
What is Dr. Chiara Battelli's NPI?
Dr. Chiara Battelli's National Provider Identifier (NPI) is 1831398551, issued by NPPES.
Does Dr. Chiara Battelli accept Medicare assignment?
Yes. Dr. Chiara Battelli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chiara Battelli commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, paclitaxel, 1 mg (HCPCS J9267); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.