Rachel S. Gershaw, DO
Emergency Medicine Physician · Southbridge, MA
Rachel S. Gershaw, DO is an emergency medicine physician with a practice address in Southbridge, Massachusetts, and NPI 1518494343, issued on May 11, 2017. Check the license (Massachusetts 282576, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Rachel S. Gershaw
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 282576 MA
Self-reported in NPPES; status is on the state search - Practice location
- 100 South St, Southbridge, MA 01550
- Phone
- (508) 765-9771
- Enumerated
- May 11, 2017
- Record last updated
- Jul 2, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200518000578); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 100 South St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dianne Aguirre, PAPhysician Assistant1659874121
- Joseph Amegah, M SMental Health Counselor1972625358
- Cheryl Amodeo, RNCase Management Registered Nurse1821134172
- Alan Anderson, C.R.N.A.Certified Registered Nurse Anesthetist1891713160
- Mary Banda, MDInternal Medicine Physician1265481311
- Janet Baum, M.D.Diagnostic Radiology Physician1053392944
Verify Rachel S. Gershaw in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 282576Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% more Medicare Part D claims than the average emergency medicine physician in 2024
261 Medicare Part D claims for 201 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Cefpodoxime Proxetil46 claims
- Cephalexin20 claims
- Amoxicillin-Clavulanate Potass19 claims
- Prednisone16 claims
- Ondansetron Odt15 claims
- Doxycycline Hyclate14 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 4 group practices
- Associated Physicians OF Harvard Medical Faculty Physicians AT Beth ISSouthbridge, MA
- Beth Israel Deaconess Medical Center IncBoston, MA
- Bid-Milton Physician Associates IncQuincy, MA
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rachel S. Gershaw among 1,829 emergency medicine physician records in Massachusetts
Rachel S. Gershaw, DO is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 77% of them.
- NPI issued2017 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2017 · median 2011 among the 1,200 with a school on file
- Record last updated2021 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 emergency medicine physician records list a practice address in Southbridge
They are 18 of the 546 NPPES records with a practice address in Southbridge, and 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Southbridge → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Kathleen Coan, MDSouthbridge, MA 015501255622304
- Kathleen Finn, D.O.Southbridge, MA 015501225029895
- John Flanagan, M.D.Southbridge, MA 015501487814737
- Michael Gaudet, M.D.Southbridge, MA 015501972568061
- Michael Gray, MDSouthbridge, MA 015501316033871
- Christian Heinis, MDSouthbridge, MA 015501447226535
- Giza High, MDSouthbridge, MA 015501811157167
- Vincent Kan, MDSouthbridge, MA 015501306264395
Common questions
What is Rachel S. Gershaw, DO's NPI number?
Rachel S. Gershaw, DO's National Provider Identifier (NPI) is 1518494343, issued on May 11, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Rachel S. Gershaw, DO located?
The NPPES record lists a practice address at 100 South St, Southbridge, MA, 01550. Phone: (508) 765-9771. Providers update this record themselves, so call before visiting.
How can I verify Rachel S. Gershaw, DO's license?
NPPES lists Massachusetts license number 282576, 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 Rachel S. Gershaw, DO prescribe under Medicare Part D?
In 2024, Rachel S. Gershaw, DO had 261 Medicare Part D claims for 201 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.