Grant Charlton Butler, NP
Gerontology Nurse Practitioner · Boston, MA
Grant Charlton Butler, NP is a gerontology nurse practitioner with a practice address in Boston, Massachusetts, and NPI 1437525102, issued on Aug 18, 2015. Check the license (Massachusetts RN2263964, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Grant Charlton Butler
- Credential
- NP
- Primary taxonomy
- Gerontology Nurse Practitioner 363LG0600X
- License number
- RN2263964 MA
Self-reported in NPPES; status is on the state search - Practice location
- 801 Massachusetts Ave, Suite 6A, Boston, MA 02118
- Phone
- (617) 414-5951
- Enumerated
- Aug 18, 2015
- Record last updated
- Dec 23, 2024
- Fax
- (617) 414-9201
- Medicare enrollment
- Enrolled (PECOS I20160211000996); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gerontology nurse practitioner records → All 379 in Massachusetts → Look up another NPI →
Also registered at 801 Massachusetts Ave, Suite 6A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Bellavance, MDInternal Medicine Physician1164008173
- Caroline Johnson, MDInternal Medicine Physician1588240568
- Junia Osier, NPFamily Nurse Practitioner1265038558
- Sabetta Singh, MDInternal Medicine Physician1982286514
Verify Grant Charlton Butler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license RN2263964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average gerontology nurse practitioner in 2024
1,908 Medicare Part D claims for 299 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Amlodipine Besylate156 claims
- Atorvastatin Calcium124 claims
- Lisinopril97 claims
- Omeprazole83 claims
- Fluticasone Propionate76 claims
- Hydrochlorothiazide69 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
- Evans Medical Foundation IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grant Charlton Butler among 379 gerontology nurse practitioner records in Massachusetts
Grant Charlton Butler, NP is one of 379 gerontology nurse practitioner records with a practice address in Massachusetts. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 47% of them.
- NPI issued2015 · 47% of these records are older, 51% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated2007 · median 2017 among the 192 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gerontology Nurse Practitioner providers in Massachusetts
There are 379 gerontology nurse practitioner records in Massachusetts.
All 379 in Massachusetts → Every provider in Boston → Gerontology Nurse Practitioner nationwide →
The 8 gerontology nurse practitioner records with the nearest ZIP codes
- Karen Byrd, NPBoston, MA 021181578547980
- Jiyin Chou, N.P.Boston, MA 021181689807786
- Katherine Concilio, NPBoston, MA 021181235237173
- Nicole Depace, NPBoston, MA 021181265749618
- Yves-Martine Dumas, RN, NPBoston, MA 021181154628246
- Susan Frazier, N.P.Boston, MA 021181679585988
- Aissatou Gueye, NPBoston, MA 021181972966216
- Monica Hogan, N.P.Boston, MA 021181831267723
Common questions
What is Grant Charlton Butler, NP's NPI number?
Grant Charlton Butler, NP's National Provider Identifier (NPI) is 1437525102, issued on Aug 18, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Grant Charlton Butler, NP located?
The NPPES record lists a practice address at 801 Massachusetts Ave, Suite 6A, Boston, MA, 02118. Phone: (617) 414-5951. Providers update this record themselves, so call before visiting.
How can I verify Grant Charlton Butler, NP's license?
NPPES lists Massachusetts license number RN2263964, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Grant Charlton Butler, NP prescribe under Medicare Part D?
In 2024, Grant Charlton Butler, NP had 1,908 Medicare Part D claims for 299 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.