Emily Marsters, MD
NPI 1871817619 · Family Medicine Physician · Hadley, MA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Emily Marsters, MD is a Family Medicine Physician provider in Hadley, MA (NPI 1871817619).
Provider details
- NPI number
- 1871817619
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 256609 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
829 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 389 | $129 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 124 | $131 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 98 | $16 |
| Administration of Influenza Virus VaccineG0008 | 55 | $33 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 52 | $91 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 228 | 61 |
| Atorvastatin Calcium | 212 | 63 |
| Losartan Potassium | 156 | 47 |
| Lisinopril | 137 | 38 |
| Lorazepam | 134 | 32 |
| Gabapentin | 132 | 41 |
| Famotidine | 96 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-03-23
- Last updated
- 2015-01-28
Frequently asked questions
- What is Emily Marsters's NPI number?
- Emily Marsters's National Provider Identifier (NPI) is 1871817619, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Emily Marsters's specialty?
- Emily Marsters is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Emily Marsters located?
- Emily Marsters's practice location on file with NPPES is 234 Russell St, Hadley, MA 01035-3534.
- What is Emily Marsters's phone number?
- The practice phone number listed in the NPPES registry for Emily Marsters is (413) 586-6020.
- Does Emily Marsters accept Medicare?
- Emily Marsters is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Emily Marsters's NPI active?
- Yes — Emily Marsters's NPI (1871817619) is active in the NPPES registry as of the last update on 2015-01-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.