Samuel Forrest Brock, DO
Internal Medicine Physician · Dover, NH
Samuel Forrest Brock, DO is an internal medicine physician with a practice address in Dover, New Hampshire, and NPI 1538861265, issued on Mar 20, 2023. Check the license (New Hampshire 39590, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Samuel Forrest Brock
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 39590 NH
Self-reported in NPPES; status is on the state search - Practice location
- 789 Central Ave, Dover, NH 03820
- Phone
- (603) 740-2503
- Enumerated
- Mar 20, 2023
- Record last updated
- Jul 14, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 673 in New Hampshire → Look up another NPI →
Also registered at 789 Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Samuel Forrest Brock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 39590Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
127 Medicare Part D claims for 50 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of 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.
Samuel Forrest Brock among 673 internal medicine physician records in New Hampshire
Samuel Forrest Brock, DO 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 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, under 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2026 · 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).
24 internal medicine physician records list a practice address in Dover
They are 24 of the 1,266 NPPES records with a practice address in Dover, and 673 internal medicine physician records in New Hampshire.
All 673 in New Hampshire → Every provider in Dover → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Paul Berry, MDDover, NH 038201548208796
- Edward Crouch, MDDover, NH 038201396013439
- Homayoun Daneschvar, MDDover, NH 038201558443903
- Mark Dick, M.D.Dover, NH 038201003806084
- John Foley, DODover, NH 038201295723401
- Joseph Graciano, MDDover, NH 038201669411062
- Gregory Imbrie, MDDover, NH 038201982871075
- Virginia Keefe Hassett, MDDover, NH 038201578552113
Common questions
What is Samuel Forrest Brock, DO's NPI number?
Samuel Forrest Brock, DO's National Provider Identifier (NPI) is 1538861265, issued on Mar 20, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Samuel Forrest Brock, DO located?
The NPPES record lists a practice address at 789 Central Ave, Dover, NH, 03820. Phone: (603) 740-2503. Providers update this record themselves, so call before visiting.
How can I verify Samuel Forrest Brock, DO's license?
NPPES lists New Hampshire license number 39590, 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 Samuel Forrest Brock, DO prescribe under Medicare Part D?
In 2024, Samuel Forrest Brock, DO had 127 Medicare Part D claims for 50 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.