Dr. William Arthur Castrucci, MD

  • Bangor, ME
  • Radiation oncologist
NPI1396927604PAC ID9032265830
Medicare services, 2024
2,873
Medicare patients, 2024
182
Part D claims, 2024
91
Publications
2
MIPS score, 2024
47
Practice address
489 State Street, Bangor, ME 04401
Practice phone
Call (207) 973-7000
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. William Arthur Castrucci is a radiation oncologist in Bangor, Maine

Dr. Castrucci practices at Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health.

Dr. Castrucci's NPI, 1396927604, was assigned on November 28, 2007. Dr. Castrucci graduated from Geisel School of Medicine at Dartmouth in 1996. Dr. Castrucci holds Maine license 018168.

NPI and contact details
Medicare PAC ID
9032265830
NPI enumeration date
November 28, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(207) 973-7000
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
56
Medical school graduation
1996

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. William Arthur Castrucci practices at Northern Light Eastern Maine Medical Center in Bangor, Maine

Dr. Castrucci's primary practice is Northern Light Eastern Maine Medical Center, at 489 State Street, Bangor, ME 04401 in Penobscot County. The practice phone is (207) 973-7000.

Source: Dmand AI Affiliation Data

Dr. William Arthur Castrucci is affiliated with 6 sites of care and 1 medical group

Dr. Castrucci's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. Dr. Castrucci is also affiliated with St. Joseph Healthcare. The medical group on file is Cancer Care of Maine. Dmand AI also links Dr. Castrucci to 2 more hospitals, 1 breast imaging center and 1 group practice or clinic, each named with a free account.

See all 7 affiliations for Dr. Castrucci

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William Arthur Castrucci's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Castrucci practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Northern Light Eastern Maine Medical CenterAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Castrucci practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across Northern Light Health and 6.2K+ hospitals, with verified contacts in the same login.

Dr. William Arthur Castrucci is one of 22 radiation oncologists in Maine

Radiation oncology is Dr. Castrucci's primary specialty in the NPI Registry, under taxonomy code 2085R0001X. Dr. Castrucci is licensed in Maine.

Specialties and state licenses

  • Radiation oncology, MainePrimaryLicense 018168 · taxonomy 2085R0001X

Radiation oncologists near Dr. Castrucci

Counts of radiation oncologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. William Arthur Castrucci billed Medicare for 2,873 services in 2024

CMS data shows 2,873 Medicare services from Dr. Castrucci across 17 procedure codes in 2024, for 182 Medicare patients. Medicare paid $170,442 for them. Every service was in an office.

Medicare services, 20242,873
Medicare patients182
Paid by Medicare$170,442
Procedure codes17

Dr. Castrucci's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Imaging
2023: 1,8372024: 2,26423%
Other services
2023: 2742024: 37938%
Office and hospital visits
2023: 2282024: 2301%

Dr. Castrucci compared with the Maine median for radiation oncologists, 2024

  • Dr. Castrucci
  • Maine median
Medicare services
2,873vs 1,4302.0 times
Medicare patients
182vs 1707% above
Part D claims
48vs 5919% below

Medians across 28 radiation oncologists in Maine with Dmand AI profiles that report each measure.

Dr. Castrucci's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Castrucci

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William Arthur Castrucci treated 182 Medicare patients in 2024, average age 74

CMS counts 182 Medicare patients who saw Dr. Castrucci in 2024. The largest group is 65 to 74, with 90 patients. 75% of them have cancer, and 73% have high blood pressure. 30% are also on Medicaid. Their average risk score is 1.74, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Castrucci's median patient age at 71, with 42% women.

Medicare patients, 2024182
Average age74
Average risk score1.74
Also on Medicaid30%

Dr. Castrucci's Medicare patients by age, 2024

Dr. Castrucci's Medicare patients by sex, 2024

  • Women7340%
  • Men10960%

Chronic conditions among Dr. Castrucci's Medicare patients, 2024

  1. Cancer75%
  2. High blood pressure73%
  3. High cholesterol64%
  4. Anxiety31%
  5. Arthritis30%
  6. COPD30%
  7. Ischemic heart disease27%
  8. Chronic kidney disease24%

Share of Medicare patients with each condition. A patient can have several.

Dr. Castrucci's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women42%
  • Men57%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William Arthur Castrucci wrote 91 Medicare Part D claims in 2024

In 2024, Dr. Castrucci wrote 91 Medicare Part D claims for 43 patients. 90% of them were for generic drugs. CMS names the drug for 48 of them, across 3 drugs with 11 or more claims each, at $995 in total drug cost. In 2022, CMS named 18 claims across 1 drug.

Part D claims, 202491
Drugs named by CMS3
Total drug cost$995
Part D patients43

Dr. Castrucci's Part D claims by kind of drug, 2024

  • Generic82 claims90%
  • Brand-name and other9 claims10%

Dr. Castrucci's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 182024: 48167%

Drugs named by CMS: 3 in 2024, 1 in 2022.

See all prescribing by Dr. Castrucci

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. William Arthur Castrucci scored 47 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 47 out of 100 for Dr. Castrucci for performance year 2024, reported as part of a group. Dr. Castrucci accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Castrucci as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Castrucci's MIPS scores, performance year 2024

  • 47of 100Final score
  • 8.3of 100Quality
  • 100of 100Promoting Interoperability
  • 0of 100Improvement Activities
  • 66of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

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Dr. William Arthur Castrucci has 2 publications on record

Dmand AI links 2 papers to Dr. Castrucci in 2011. Dr. Castrucci's most frequent co-authors are Bruce G. Haffty, MD, Jonathan Ps Knisely, MD and Donald Rowe Lannin, MD.

Papers2

Dr. Castrucci's most frequent co-authors

Recent publications by Dr. Castrucci

See all 2 publications and co-authors

See who Dr. Castrucci researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Castrucci works with, so you can find a warm path to the right radiation oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. William Arthur Castrucci received $74 in industry payments from 2016 to 2024

CMS Open Payments shows 4 general payments to Dr. Castrucci from 4 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 72% of the total. Pfizer Inc. paid the most, $21.

General payments to Dr. Castrucci by program year, 2016 to 2024

General payments to Dr. Castrucci by kind, 2016 to 2024

$74in total
  • Food and beverage$5372%
  • Education$2128%

Companies that paid Dr. Castrucci the most, 2016 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Castrucci

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. William Arthur Castrucci graduated from Geisel School of Medicine at Dartmouth

Dr. Castrucci graduated from Geisel School of Medicine at Dartmouth in 1996.

  1. Medical schoolGeisel School of Medicine at Dartmouth

Source: Dmand AI Professional Profile Data

Sources for Dr. William Arthur Castrucci's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. William Arthur Castrucci

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. William Arthur Castrucci's NPI number?

Dr. William Arthur Castrucci's NPI number is 1396927604. It was assigned on November 28, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. William Arthur Castrucci?

Dr. William Arthur Castrucci is a radiation oncologist in Bangor, Maine. The primary specialty in the NPI Registry is Radiation Oncology Physician (taxonomy code 2085R0001X).

Where does Dr. William Arthur Castrucci practice?

Dr. Castrucci practices at 489 State Street, Bangor, ME 04401. Dr. Castrucci's primary practice is Northern Light Eastern Maine Medical Center in Bangor, Maine, part of Northern Light Health. Dmand AI also links Dr. Castrucci to 2 hospitals, 1 breast imaging center and 1 group practice or clinic.

What is Dr. William Arthur Castrucci's office phone number?

The practice phone on file for Dr. Castrucci is (207) 973-7000.

What is Dr. William Arthur Castrucci's medical license number?

Dr. Castrucci holds Maine license 018168.

Which hospitals is Dr. William Arthur Castrucci affiliated with?

Dr. Castrucci practices at Northern Light Eastern Maine Medical Center in Bangor, Maine. Dr. Castrucci is also affiliated with St. Joseph Healthcare. Dmand AI links Dr. Castrucci to 2 more hospitals.

What medical group is Dr. William Arthur Castrucci part of?

Dr. Castrucci is linked to Cancer Care of Maine.

Does Dr. William Arthur Castrucci accept Medicare?

Yes. CMS data shows Dr. Castrucci billed Medicare for 2,873 services in 2024, and Dr. Castrucci accepts Medicare assignment.

Does Dr. William Arthur Castrucci offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Castrucci as offering telehealth services.

What is Dr. William Arthur Castrucci's MIPS score?

Dr. Castrucci's MIPS final score for performance year 2024 is 47 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. William Arthur Castrucci see?

CMS counts 182 Medicare patients who saw Dr. Castrucci in 2024, with an average age of 74.

What services does Dr. William Arthur Castrucci bill to Medicare?

In 2024, Dr. Castrucci's most billed Medicare services were radiation oncology (77014), radiation oncology (77300) and medicare service (G6002).

Where did Dr. William Arthur Castrucci go to medical school?

Dr. Castrucci graduated from Geisel School of Medicine at Dartmouth in 1996.

What drugs does Dr. William Arthur Castrucci prescribe most?

In 2024 Medicare Part D data, Dr. Castrucci's most prescribed drugs by claims were Memantine HCl, Dexamethasone and Tamsulosin HCl.

Has Dr. William Arthur Castrucci received payments from drug or device companies?

CMS Open Payments shows $74 in general payments to Dr. Castrucci from 4 companies from 2016 to 2024. The largest total came from Pfizer Inc.

How long has Dr. William Arthur Castrucci been practicing?

Dr. Castrucci graduated from medical school in 1996, 30 years ago.

Does Dr. William Arthur Castrucci do research?

Dmand AI links 2 publications to Dr. Castrucci.

Who does Dr. William Arthur Castrucci publish with?

Dr. Castrucci's most frequent co-authors are Bruce G. Haffty, MD (1 shared paper), Jonathan Ps Knisely, MD (1 shared paper) and Donald Rowe Lannin, MD (1 shared paper).

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