Sarah Butler Mazerall, LDN, MBA, MS, RD
- Medicare patients, 2024
- 34
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2009
- Practice address
- 111 Grossman Dr, Braintree, MA 02184
- Practice phone
- Call (617) 421-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Harvard Vanguard Medical Associates
Braintree, Massachusetts
Find Sarah Mazerall'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.
Sarah Butler Mazerall is a registered dietitian in Braintree, Massachusetts
Sarah Mazerall practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts.
Sarah Mazerall's NPI, 1972733483, was assigned on July 17, 2009. Sarah Mazerall holds Massachusetts license 2734.
- NPI
- 1972733483NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284941329
- NPI enumeration date
- July 17, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (617) 421-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sarah Butler Mazerall practices at Harvard Vanguard Medical Associates in Braintree, Massachusetts
Sarah Mazerall's primary practice is Harvard Vanguard Medical Associates, at 111 Grossman Dr, Braintree, MA 02184 in Norfolk County. The practice phone is (617) 421-1000.
- Harvard Vanguard Medical Associates111 Grossman Dr, Braintree, MA 02184 · Norfolk CountyPhone(617) 421-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sarah Butler Mazerall is affiliated with 2 sites of care and 1 medical group
Sarah Mazerall's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. The medical group on file is Atrius Health. Dmand AI also links Sarah Mazerall to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sarah Butler Mazerall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sarah Mazerall practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Harvard Vanguard Medical Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Sarah Butler Mazerall is one of 475 registered dietitians in Massachusetts
Dietitian, registered is Sarah Mazerall's primary specialty in the NPI Registry, under taxonomy code 133V00000X. Sarah Mazerall is licensed in Massachusetts.
Specialties and state licenses
- Registered dietitian, MassachusettsPrimary
Registered dietitians near Sarah Mazerall
Counts of registered dietitians 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
Sarah Butler Mazerall treated 34 Medicare patients in 2024, average age 72
CMS counts 34 Medicare patients who saw Sarah Mazerall in 2024. The largest group is 65 to 74, with 16 patients. 75% of them have diabetes, and 75% have high cholesterol. Their average risk score is 1.61, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Sarah Mazerall's median patient age at 42, with 74% women.
Sarah Mazerall's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sarah Mazerall's Medicare patients by sex, 2024
- Women1647%
- Men1853%
Chronic conditions among Sarah Mazerall's Medicare patients, 2024
- Diabetes75%
- High cholesterol75%
- High blood pressure74%
- Chronic kidney disease41%
- Mood disorders38%
- Anxiety35%
- Ischemic heart disease35%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Sarah Mazerall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 42
Patient panel by sex, all payers
- Women74%
- Men23%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sarah Butler Mazerall offers telehealth to Medicare patients
Sarah Mazerall accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Sarah Mazerall as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for Sarah Butler Mazerall'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Sarah Butler Mazerall
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What is Sarah Butler Mazerall's NPI number?
Sarah Butler Mazerall's NPI number is 1972733483. It was assigned on July 17, 2009, and it is active in the NPI Registry.
What does Sarah Butler Mazerall specialize in?
Sarah Butler Mazerall is a registered dietitian in Braintree, Massachusetts. The primary specialty in the NPI Registry is Registered Dietitian (taxonomy code 133V00000X).
Where does Sarah Butler Mazerall practice?
Sarah Mazerall practices at 111 Grossman Dr, Braintree, MA 02184. Sarah Mazerall's primary practice is Harvard Vanguard Medical Associates in Braintree, Massachusetts. Dmand AI also links Sarah Mazerall to 1 group practice or clinic.
What is Sarah Butler Mazerall's office phone number?
The practice phone on file for Sarah Mazerall is (617) 421-1000.
What is Sarah Butler Mazerall's medical license number?
Sarah Mazerall holds Massachusetts license 2734.
What medical group is Sarah Butler Mazerall part of?
Sarah Mazerall is linked to Atrius Health.
Does Sarah Butler Mazerall accept Medicare?
Yes. CMS lists Sarah Mazerall as accepting Medicare assignment.
Does Sarah Butler Mazerall offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Sarah Mazerall as offering telehealth services.
How many Medicare patients does Sarah Butler Mazerall see?
CMS counts 34 Medicare patients who saw Sarah Mazerall in 2024, with an average age of 72.
How long has Sarah Butler Mazerall been practicing?
Sarah Mazerall graduated from medical school in 2008, 18 years ago.
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