Sarah Elizabeth Kells, CNP
Family Medicine Physician · Greenfield, MA
Sarah Elizabeth Kells, CNP is a family medicine physician with a practice address in Greenfield, Massachusetts, and NPI 1720556327, issued on Nov 13, 2018. Check the license (Massachusetts RN2272909, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Sarah Elizabeth Kells
- Credential
- CNP
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- RN2272909 MA
Self-reported in NPPES; status is on the state search - Practice location
- 21 Kenwood St, Greenfield, MA 01301
- Phone
- (413) 223-5265
- Enumerated
- Nov 13, 2018
- Record last updated
- Jan 14, 2026
- Fax
- (413) 772-3720
- Medicare enrollment
- Enrolled (PECOS I20190308001144); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,265 in Massachusetts → Look up another NPI →
Also registered at 21 Kenwood St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Suzanne Boisvert, LPNLicensed Practical Nurse1952007494
- Johanna BradleyRegistered Nurse1801518873
- Kathleen Carpenter, MSWSocial Worker1972321412
- F Carr, RNAddiction (Substance Use Disorder) Registered Nurse1275218141
- Savannah Cavadini, RNAddiction (Substance Use Disorder) Registered Nurse1770371395
- Christa Chevalier, RNRegistered Nurse1841999661
Verify Sarah Elizabeth Kells in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license RN2272909Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
675 Medicare Part D claims for 96 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Buprenorphine-Naloxone290 claims
- Dextroamphetamine-Amphetamine44 claims
- Suboxone44 claims
- Clonazepam27 claims
- Sublocade26 claims
- Buprenorphine Hcl24 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 33.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $22.30
1 payment: food and beverage; the largest payer was Indivior Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Behavioral Health Network IncGreenfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sarah Elizabeth Kells among 2,265 family medicine physician records in Massachusetts
Sarah Elizabeth Kells, CNP 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 2018, is newer than 81% of them.
- NPI issued2018 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2018 · median 2006 among the 1,529 with a school on file
- Record last updated2026 · 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).
24 family medicine physician records list a practice address in Greenfield
They are 24 of the 1,251 NPPES records with a practice address in Greenfield, and 2,265 family medicine physician records in Massachusetts.
All 2,265 in Massachusetts → Every provider in Greenfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mark Allen, M.D.Greenfield, MA 013011285633198
- Jessica Biggie, MDGreenfield, MA 013011689649584
- Marguerite Gump, M.D.Greenfield, MA 013011982604328
- Chandra Hartman, MDGreenfield, MA 013011366428278
- Patricia Iverson, M.D.Greenfield, MA 013011063484038
- Peter Koppenheffer, M.D.Greenfield, MA 013011053637561
- Theodore Lefer, M.D.Greenfield, MA 013011578822748
- Jennifer Madden, MDGreenfield, MA 013011215969043
Common questions
What is Sarah Elizabeth Kells, CNP's NPI number?
Sarah Elizabeth Kells, CNP's National Provider Identifier (NPI) is 1720556327, issued on Nov 13, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sarah Elizabeth Kells, CNP located?
The NPPES record lists a practice address at 21 Kenwood St, Greenfield, MA, 01301. Phone: (413) 223-5265. Providers update this record themselves, so call before visiting.
How can I verify Sarah Elizabeth Kells, CNP's license?
NPPES lists Massachusetts license number RN2272909, 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 Elizabeth Kells, CNP prescribe under Medicare Part D?
In 2024, Sarah Elizabeth Kells, CNP had 675 Medicare Part D claims for 96 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Sarah Elizabeth Kells, CNP's MIPS final score?
The 2023 MIPS final score is 33.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.