Benjamin Grajales, M.D.
Surgery Physician · Leominster, MA
Benjamin Grajales, M.D. is a surgery physician with a practice address in Leominster, Massachusetts, and NPI 1427097419, issued on Jun 5, 2006. Check the license (Massachusetts 70381, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Benjamin Grajales
- Credential
- M.D.
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 70381 MA
Self-reported in NPPES; status is on the state search - Practice location
- 50 Memorial Dr, Leominster, MA 01453
- Phone
- (978) 534-1534
- Enumerated
- Jun 5, 2006
- Record last updated
- Feb 21, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100226000110); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 1987
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,003 in Massachusetts → Look up another NPI →
Also registered at 50 Memorial Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Benjamin Grajales in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 70381Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average surgery physician in 2024
54 Medicare Part D claims for 38 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. 30 claims were for opioids.
Most prescribed
- Tramadol Hcl23 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.
Benjamin Grajales among 1,003 surgery physician records in Massachusetts
Benjamin Grajales, M.D. is one of 1,003 surgery physician records with a practice address in Massachusetts. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 58% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1987 · median 2003 among the 503 with a school on file
- Record last updated2010 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Massachusetts
There are 1,003 surgery physician records in Massachusetts.
All 1,003 in Massachusetts → Every provider in Leominster → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Nathaniel Merrell, M.D.Leominster, MA 014531922162262
- Robert Shelton, M.D.Leominster, MA 014531538223870
- Mark Aranson, MDGardner, MA 014401962460600
- George Krasowski, M.D.Gardner, MA 014401386627578
- Cathryn Rudawsky, DOGardner, MA 014401720602378
- Thomas Scalfarotto, DOGardner, MA 014401003128067
- Cyrus Vakili, M.D.Gardner, MA 014401760601082
- Jeffrey Arpin, M.D.Ayer, MA 014321285630988
Common questions
What is Benjamin Grajales, M.D.'s NPI number?
Benjamin Grajales, M.D.'s National Provider Identifier (NPI) is 1427097419, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Grajales, M.D. located?
The NPPES record lists a practice address at 50 Memorial Dr, Leominster, MA, 01453. Phone: (978) 534-1534. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Grajales, M.D.'s license?
NPPES lists Massachusetts license number 70381, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Benjamin Grajales, M.D. prescribe under Medicare Part D?
In 2024, Benjamin Grajales, M.D. had 54 Medicare Part D claims for 38 beneficiaries; the average among surgery physician prescribers was 147. 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.