Cali M. Peffer, PA-C
- Medicare patients, 2024
- 281
- Part D claims, 2024
- 3,280
- Hospital affiliations
- 3
- Industry payments
- $89
- Medical group
- 1
- Practice address
- 100 South Street, Southbridge, MA 01550
- Practice phone
- Call (508) 765-9771
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Cali Peffer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Cali M. Peffer is a physician assistant in Southbridge, Massachusetts
Cali Peffer practices at UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts, part of UMass Memorial Health Care.
Cali Peffer's NPI, 1023605953, was assigned on December 27, 2020. Cali Peffer holds Massachusetts license PA7928.
- NPI
- 1023605953NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183031545
- NPI enumeration date
- December 27, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (508) 765-9771
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cali M. Peffer practices at UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts
Cali Peffer's primary practice is UMass Memorial Health - Harrington Hospital, at 100 South Street, Southbridge, MA 01550 in Worcester County. The practice phone is (508) 765-9771.
- UMass Memorial Health - Harrington Hospital100 South Street, Southbridge, MA 01550 · Worcester CountyPhone(508) 765-9771
Source: Dmand AI Affiliation Data
Cali M. Peffer is affiliated with 4 sites of care and 1 medical group
Cali Peffer's primary practice is UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts, part of UMass Memorial Health Care. Cali Peffer is also affiliated with UMass Memorial Medical Center - University Campus. The medical group on file is UMass Memorial Medical Group. Dmand AI also links Cali Peffer to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Cali M. Peffer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cali Peffer practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UMass Memorial Health - Harrington Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across UMass Memorial Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Cali M. Peffer is one of 3,922 physician assistants in Massachusetts
Physician assistant is Cali Peffer's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Cali Peffer is licensed in Massachusetts.
Specialties and state licenses
- Physician assistant, MassachusettsPrimary
Physician assistants near Cali Peffer
Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Cali M. Peffer treated 281 Medicare patients in 2024, average age 71
CMS counts 281 Medicare patients who saw Cali Peffer in 2024. The largest group is 65 to 74, with 118 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.15, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Cali Peffer's median patient age at 68, with 60% women.
Cali Peffer's Medicare patients by age, 2024
Cali Peffer's Medicare patients by sex, 2024
- Women17261%
- Men10939%
Chronic conditions among Cali Peffer's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis42%
- Anxiety33%
- Diabetes26%
- Ischemic heart disease24%
- Mood disorders24%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Cali Peffer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 68
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Cali M. Peffer wrote 3,280 Medicare Part D claims in 2024
In 2024, Cali Peffer wrote 3,280 Medicare Part D claims for 686 patients. 90% of them were for generic drugs.
Cali Peffer's Part D claims by kind of drug, 2024
- Generic2,956 claims90%
- Brand-name298 claims9%
- Other26 claims1%
Drug classes CMS tracks in Cali Peffer's Part D claims, 2024
- Opioids3%111 of 3,280 claims
- Antibiotics4%132 of 3,280 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Cali M. Peffer offers telehealth to Medicare patients
Cali Peffer accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Cali Peffer as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Cali M. Peffer received $89 in industry payments in 2025
CMS Open Payments shows 2 general payments to Cali Peffer from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $61.
Companies that paid Cali Peffer the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Cali M. Peffer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Cali M. Peffer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cali M. Peffer's NPI number?
Cali M. Peffer's NPI number is 1023605953. It was assigned on December 27, 2020, and it is active in the NPI Registry.
What does Cali M. Peffer specialize in?
Cali M. Peffer is a physician assistant in Southbridge, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Cali M. Peffer practice?
Cali Peffer practices at 100 South Street, Southbridge, MA 01550. Cali Peffer's primary practice is UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts, part of UMass Memorial Health Care. Dmand AI also links Cali Peffer to 1 hospital and 1 group practice or clinic.
What is Cali M. Peffer's office phone number?
The practice phone on file for Cali Peffer is (508) 765-9771.
What is Cali M. Peffer's medical license number?
Cali Peffer holds Massachusetts license PA7928.
Which hospitals is Cali M. Peffer affiliated with?
Cali Peffer practices at UMass Memorial Health - Harrington Hospital in Southbridge, Massachusetts. Cali Peffer is also affiliated with UMass Memorial Medical Center - University Campus. Dmand AI links Cali Peffer to 1 more hospital.
What medical group is Cali M. Peffer part of?
Cali Peffer is linked to UMass Memorial Medical Group.
Does Cali M. Peffer accept Medicare?
Yes. CMS lists Cali Peffer as accepting Medicare assignment.
Does Cali M. Peffer offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Cali Peffer as offering telehealth services.
How many Medicare patients does Cali M. Peffer see?
CMS counts 281 Medicare patients who saw Cali Peffer in 2024, with an average age of 71.
Has Cali M. Peffer received payments from drug or device companies?
CMS Open Payments shows $89 in general payments to Cali Peffer from 2 companies from 2025 to 2025. The largest total came from Medtronic, Inc.
How long has Cali M. Peffer been practicing?
Cali Peffer graduated from medical school in 2020, 6 years ago.
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