Emily Marsters, MD
Family Medicine Physician · Hadley, MA
Emily Marsters, MD is a family medicine physician with a practice address in Hadley, Massachusetts, and NPI 1871817619, issued on Mar 23, 2010. Check the license (Massachusetts 256609, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Emily Marsters
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 256609 MA
Self-reported in NPPES; status is on the state search - Practice location
- 234 Russell St, Hadley, MA 01035
- Phone
- (413) 586-6020
- Enumerated
- Mar 23, 2010
- Entity
- Type 1 · individual
Also registered at 234 Russell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Emily Marsters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 256609Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
1% fewer Medicare Part D claims than the average family medicine physician in 2024
3,491 Medicare Part D claims for 392 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 121 claims were for opioids.
Most prescribed
- Levothyroxine Sodium228 claims
- Atorvastatin Calcium212 claims
- Losartan Potassium156 claims
- Lisinopril137 claims
- Lorazepam134 claims
- Gabapentin132 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.
One hospital or facility affiliation
- Mass General Brigham Medical Group Western Massachusetts IncNorthampton, MA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
7 family medicine physician records list a Hadley practice address
They are 7 of the 164 NPPES records with a Hadley practice address, and 2,226 family medicine physician records in Massachusetts.
All 7 in Hadley → All 2,226 in Massachusetts → Every provider in Hadley →
Other family medicine physician records in Massachusetts
- Salah Abass, M.D.Methuen, MA1417959776
- Sheila Abdallah, MDWorcester, MA1821356312
- Jonathan Abel, DOSpringfield, MA1700897196
- Mohamed Abib, MDSturbridge, MA1639281090
- Kevin Abraham, M.D.Worcester, MA1689037673
- Janet Abrahamian, M.D.West Boylston, MA1932156627
- John Abramson, M.D.Ipswich, MA1275613903
- John Paul Abroguena, MDPlainville, MA1235361080
- Aliza Acker-Bernstein, M.D.Peabody, MA1023057551
- Lisa Adams, MDFalmouth, MA1235404336
Common questions
What is Emily Marsters, MD's NPI number?
Emily Marsters, MD's National Provider Identifier (NPI) is 1871817619, issued on Mar 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Emily Marsters, MD located?
The NPPES record lists a practice address at 234 Russell St, Hadley, MA, 01035. Phone: (413) 586-6020. Providers update this record themselves, so call before visiting.
How can I verify Emily Marsters, MD's license?
NPPES lists Massachusetts license number 256609, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Emily Marsters, MD prescribe under Medicare Part D?
In 2024, Emily Marsters, MD had 3,491 Medicare Part D claims for 392 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.