Brock A. Billadeau, D.O.
Internal Medicine Physician · Keene, NH
Brock A. Billadeau, D.O. is an internal medicine physician with a practice address in Keene, New Hampshire, and NPI 1386164069, issued on Jun 22, 2017. Check the license (New Hampshire 20550, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Brock A. Billadeau
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20550 NH
Self-reported in NPPES; status is on the state search - Practice location
- 580 Court St, Keene, NH 03431
- Phone
- (603) 354-5400
- Enumerated
- Jun 22, 2017
- Record last updated
- Jan 20, 2025
- Medicare enrollment
- Enrolled (PECOS I20200730001443); accepts Medicare assignment
- Medical or professional school
- University Of New England, College Of Osteo Medicine, 2017
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 580 Court St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kelli-Ann Abbott, DPTPhysical Therapist1699155754
- Kristina Abbott, FNP-CFamily Nurse Practitioner1578368916
- Millen Abselab, MDStudent in an Organized Health Care Education/Training Program1740128479
- Anardi Agosto, M.D.Internal Medicine Physician1487090700
- Yousef Amr, MB BCHStudent in an Organized Health Care Education/Training Program1598515652
- Amy Ansaldo, RD, LDRegistered Dietitian1215796131
Verify Brock A. Billadeau in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 20550Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average internal medicine physician in 2024
254 Medicare Part D claims for 113 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Amlodipine Besylate16 claims
- Metoprolol Succinate16 claims
- Clopidogrel12 claims
- Eliquis12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Dartmouth-Hitchcock ClinicKeene, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brock A. Billadeau among 673 internal medicine physician records in New Hampshire
Brock A. Billadeau, D.O. is one of 673 internal medicine physician records with a practice address in New Hampshire. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2005 among the 443 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
29 internal medicine physician records list a practice address in Keene
They are 29 of the 1,482 NPPES records with a practice address in Keene, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Keene → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anardi Agosto, M.D.Keene, NH 034311487090700
- Haris Bilal, M.D.Keene, NH 034311821379512
- Frederick Bruch, M.D.Keene, NH 034311427074194
- Remeline Damasco, MDKeene, NH 034311275520009
- Robert Englund, M.D.Keene, NH 034311629092721
- Evan Ginsberg, MDKeene, NH 034311649231762
- Mattthew Guiltinan, MDKeene, NH 034311326120619
- David Hall, M.D.Keene, NH 034311598785222
Common questions
What is Brock A. Billadeau, D.O.'s NPI number?
Brock A. Billadeau, D.O.'s National Provider Identifier (NPI) is 1386164069, issued on Jun 22, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Brock A. Billadeau, D.O. located?
The NPPES record lists a practice address at 580 Court St, Keene, NH, 03431. Phone: (603) 354-5400. Providers update this record themselves, so call before visiting.
How can I verify Brock A. Billadeau, D.O.'s license?
NPPES lists New Hampshire license number 20550, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Brock A. Billadeau, D.O. prescribe under Medicare Part D?
In 2024, Brock A. Billadeau, D.O. had 254 Medicare Part D claims for 113 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.