Chiara Battelli, MD
NPI 1831398551 · Hematology & Oncology Physician · Westbrook, ME
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Chiara Battelli, MD is a Hematology & Oncology Physician provider in Westbrook, ME (NPI 1831398551).
Provider details
- NPI number
- 1831398551
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 20195 (NH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
7 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
5,114 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 845 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 843 | $7 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 609 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 541 | $123 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 372 | $15 |
| Immunologic Analysis for Detection of Tumor Antigen, Quantitative; Ca 15-386300 | 280 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Letrozole | 360 | 120 |
| Anastrozole | 225 | 85 |
| Tamoxifen Citrate | 162 | 59 |
| Abemaciclibbrand: Verzenio | 126 | 15 |
| Exemestane | 96 | 33 |
| Alendronate Sodium | 57 | 18 |
| Duloxetine Hcl | 29 | — |
| Palbociclibbrand: Ibrance | 23 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$41 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (6)
- 2 Independence DrKennebunk, ME 04043-6078Phone: (207) 303-3300Fax: (207) 250-2144
- 105 Topsham Fair Mall Rd Unit 1Topsham, ME 04086-1773Phone: (207) 303-3300Fax: (207) 250-2137
- 11 Rock Row Ste 120Westbrook, ME 04092-4877Phone: (207) 303-3300Fax: (207) 250-2139
- 15 Rock Row Ste 110Westbrook, ME 04092-4877Phone: (207) 303-3300
- 11 Rock Row Ste 150Westbrook, ME 04092-4877Phone: (207) 303-3300Fax: (207) 250-2139
- 155 Borthwick Ave Ste CPortsmouth, NH 03801-7156Phone: (603) 828-0100Fax: (603) 828-0111
Registry dates
- Enumerated
- 2007-07-12
- Last updated
- 2026-04-16
- Certified
- 2026-04-16
Frequently asked questions
- What is Chiara Battelli's NPI number?
- Chiara Battelli's National Provider Identifier (NPI) is 1831398551, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chiara Battelli's specialty?
- Chiara Battelli is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Chiara Battelli located?
- Chiara Battelli's practice location on file with NPPES is 11 Rock Row Ste 320, Westbrook, ME 04092-4877.
- What is Chiara Battelli's phone number?
- The practice phone number listed in the NPPES registry for Chiara Battelli is (207) 303-3300.
- Does Chiara Battelli accept Medicare?
- Chiara Battelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Chiara Battelli's NPI active?
- Yes — Chiara Battelli's NPI (1831398551) is active in the NPPES registry as of the last update on 2026-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.