Sarah Tsang, MD
Family Medicine Physician · Easthampton, MA
Sarah Tsang, MD is a family medicine physician with a practice address in Easthampton, Massachusetts, and NPI 1225368087, issued on Dec 30, 2009. Check the license (Massachusetts 282003, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sarah Tsang
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 282003 MA
A113370 CA
Self-reported in NPPES; status is on the state search - Practice location
- 238 Northampton St, Easthampton, MA 01027
- Phone
- (413) 527-9300
- Enumerated
- Dec 30, 2009
- Record last updated
- Oct 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (866) 644-0872
- Medicare enrollment
- Enrolled (PECOS I20200415000938); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 238 Northampton St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Adler, M.D.Internal Medicine Physician1508894676
- Laura Aierstuck, NPPrimary Care Nurse Practitioner1326690298
- Emma Ash, FNP-BCFamily Nurse Practitioner1336967744
- Elaine Beaudoin, LICSW,LADCClinical Social Worker1205936846
- Elisabeth BorkowskiMedical Physician Assistant1154192854
- Allyson Boucher, PAPhysician Assistant1962147538
Verify Sarah Tsang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 282003Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26% more Medicare Part D claims than the average family medicine physician in 2024
4,451 Medicare Part D claims for 487 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 178 claims were for opioids.
Most prescribed
- Atorvastatin Calcium263 claims
- Lisinopril236 claims
- Amlodipine Besylate207 claims
- Levothyroxine Sodium166 claims
- Hydrochlorothiazide155 claims
- Omeprazole119 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
- Valley Medical Group PCEasthampton, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Tsang among 2,265 family medicine physician records in Massachusetts
Sarah Tsang, MD is one of 2,265 family medicine physician records with a practice address in Massachusetts. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2009 · median 2006 among the 1,529 with a school on file
- Record last updated2020 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 family medicine physician records list a practice address in Easthampton
They are 4 of the 426 NPPES records with a practice address in Easthampton, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Easthampton → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Jerald Feinland, MDEasthampton, MA 010271114986460
- Kharmen Lopez Del Castillo, M.D.Easthampton, MA 010271861600934
- Lauren Schwartz, MDEasthampton, MA 010271093991267
- Gary Jacobson, DOFeeding Hills, MA 010301306812995
- Jeanne Johnson, MDFeeding Hills, MA 010301477527414
- Shyamal Madhavani, D.O.Feeding Hills, MA 010301346657558
- Ira Nathanson, MDFeeding Hills, MA 010301447223748
- Oyinkansola Ogundipe, M.D.Chicopee, MA 010201811459597
Common questions
What is Sarah Tsang, MD's NPI number?
Sarah Tsang, MD's National Provider Identifier (NPI) is 1225368087, issued on Dec 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Tsang, MD located?
The NPPES record lists a practice address at 238 Northampton St, Easthampton, MA, 01027. Phone: (413) 527-9300. Providers update this record themselves, so call before visiting.
How can I verify Sarah Tsang, MD's license?
NPPES lists Massachusetts license number 282003, 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 Sarah Tsang, MD prescribe under Medicare Part D?
In 2024, Sarah Tsang, MD had 4,451 Medicare Part D claims for 487 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.