Cali Peffer, PA-C
Physician Assistant · Charlton, MA
Cali Peffer, PA-C is a physician assistant with a practice address in Charlton, Massachusetts, and NPI 1023605953, issued on Dec 27, 2020. Check the license (Massachusetts PA7928, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Cali Peffer
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA7928 MA
Self-reported in NPPES; status is on the state search - Practice location
- 10 N Main St, Charlton, MA 01507
- Phone
- (508) 248-3015
- Enumerated
- Dec 27, 2020
- Record last updated
- Dec 28, 2023
- Fax
- (508) 248-8106
- Medicare enrollment
- Enrolled (PECOS I20210331001051); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,713 in Massachusetts → Look up another NPI →
Also registered at 10 N Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ravindra Acharya, MDSurgery Physician1881608602
- Zareen Barry, NPRegistered Nurse1285060616
- Elias Belezos, M.D.Internal Medicine Physician1205819109
- Jeffrey Cohen, MDFamily Medicine Physician1962478008
- Helen Connolly, NPNurse Practitioner1871323949
- Kelly Diaz, PHYSICIAN ASSISTANTPhysician Assistant1568029437
Verify Cali Peffer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license PA7928Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.0 times the Medicare Part D claims of the average physician assistant in 2024
3,280 Medicare Part D claims for 686 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 111 claims were for opioids.
Most prescribed
- Atorvastatin Calcium259 claims
- Lisinopril173 claims
- Levothyroxine Sodium163 claims
- Hydrochlorothiazide94 claims
- Losartan Potassium88 claims
- Amlodipine Besylate82 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cali Peffer among 4,713 physician assistant records in Massachusetts
Cali Peffer, PA-C is one of 4,713 physician assistant records with a practice address in Massachusetts. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 56% of them.
- NPI issued2020 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2020 · median 2019 among the 3,217 with a school on file
- Record last updated2023 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 physician assistant records list a practice address in Charlton
They are 4 of the 149 NPPES records with a practice address in Charlton, and 4,713 physician assistant records in Massachusetts.
All 4,713 in Massachusetts → Every provider in Charlton → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Kelly Diaz, PHYSICIAN ASSISTANTCharlton, MA 015071568029437
- Traci Mercier, PACharlton, MA 015071679934335
- Heather Sienel, PA-CCharlton, MA 015071528316544
- Kali Dipilla, PABoylston, MA 015051528638012
- Robert Bogdasarian, PA-CAuburn, MA 015011063838258
- Daniel Clemente, PAAuburn, MA 015011629830641
- Sarah Dingman, PAAuburn, MA 015011184235079
- Shawn Eck, PA-CAuburn, MA 015011942440474
Common questions
What is Cali Peffer, PA-C's NPI number?
Cali Peffer, PA-C's National Provider Identifier (NPI) is 1023605953, issued on Dec 27, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Cali Peffer, PA-C located?
The NPPES record lists a practice address at 10 N Main St, Charlton, MA, 01507. Phone: (508) 248-3015. Providers update this record themselves, so call before visiting.
How can I verify Cali Peffer, PA-C's license?
NPPES lists Massachusetts license number PA7928, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does Cali Peffer, PA-C prescribe under Medicare Part D?
In 2024, Cali Peffer, PA-C had 3,280 Medicare Part D claims for 686 beneficiaries; the average among physician assistant prescribers was 830. 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.