Zachary St Amant, CNP
- Medicare patients, 2024
- 163
- Part D claims, 2024
- 939
- Hospital affiliations
- 1
- Industry payments
- $19
- Medical group
- 1
- Practice address
- 10 Adams St, North Chelmsford, MA 01863-1780
- Practice phone
- Call (978) 251-3159
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Chelmsford Family Practice
Primary care practice · North Chelmsford, Massachusetts
Find Zachary St Amant'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.
Zachary St Amant is a family nurse practitioner in North Chelmsford, Massachusetts
Zachary St Amant practices at Chelmsford Family Practice in North Chelmsford, Massachusetts.
Zachary St Amant's NPI, 1235717869, was assigned on April 2, 2021. Zachary St Amant holds Massachusetts license 2316526.
- NPI
- 1235717869NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9638571045
- NPI enumeration date
- April 2, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (978) 251-3159
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Zachary St Amant practices at Chelmsford Family Practice in North Chelmsford, Massachusetts
Zachary St Amant's primary practice is Chelmsford Family Practice, at 10 Adams St, North Chelmsford, MA 01863-1780. The practice phone is (978) 251-3159.
- Chelmsford Family Practice10 Adams St, North Chelmsford, MA 01863-1780Phone(978) 251-3159
Source: Dmand AI Affiliation Data
Zachary St Amant is affiliated with 2 sites of care and 1 medical group
Zachary St Amant's primary practice is Chelmsford Family Practice in North Chelmsford, Massachusetts. Zachary St Amant is also affiliated with Lowell General Hospital. The medical group on file is Chelmsford Family Practice.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Zachary St Amant's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Zachary St Amant practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Chelmsford Family Practice | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Zachary St Amant is one of 3,644 family nurse practitioners in Massachusetts
Family is Zachary St Amant's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Zachary St Amant is licensed in Massachusetts.
Specialties and state licenses
- Family nurse practitioner, MassachusettsPrimary
Family nurse practitioners near Zachary St Amant
Counts of family nurse practitioners 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
Zachary St Amant treated 163 Medicare patients in 2024, average age 68
CMS counts 163 Medicare patients who saw Zachary St Amant in 2024. The largest group is 65 to 74, with 61 patients. 70% of them have high cholesterol, and 61% have high blood pressure. 44% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Zachary St Amant's median patient age at 55, with 43% women.
Zachary St Amant's Medicare patients by age, 2024
Zachary St Amant's Medicare patients by sex, 2024
- Women8753%
- Men7647%
Chronic conditions among Zachary St Amant's Medicare patients, 2024
- High cholesterol70%
- High blood pressure61%
- Arthritis38%
- Anxiety37%
- Mood disorders34%
- Depression28%
- Diabetes27%
- Atrial fibrillation21%
Share of Medicare patients with each condition. A patient can have several.
Zachary St Amant's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 55
Patient panel by sex, all payers
- Women43%
- Men56%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Zachary St Amant wrote 939 Medicare Part D claims in 2024
In 2024, Zachary St Amant wrote 939 Medicare Part D claims for 245 patients. 86% of them were for generic drugs.
Zachary St Amant's Part D claims by kind of drug, 2024
- Generic806 claims86%
- Brand-name and other133 claims14%
Drug classes CMS tracks in Zachary St Amant's Part D claims, 2024
- Opioids1%11 of 939 claims
- Antibiotics7%66 of 939 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
Zachary St Amant offers telehealth to Medicare patients
Zachary St Amant accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Zachary St Amant as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Zachary St Amant received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Zachary St Amant from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Bayer HealthCare Pharmaceuticals Inc. paid the most, $19.
Companies that paid Zachary St Amant 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 Zachary St Amant'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 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 Zachary St Amant
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Zachary St Amant's NPI number?
Zachary St Amant's NPI number is 1235717869. It was assigned on April 2, 2021, and it is active in the NPI Registry.
What does Zachary St Amant specialize in?
Zachary St Amant is a family nurse practitioner in North Chelmsford, Massachusetts. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Zachary St Amant practice?
Zachary St Amant practices at 10 Adams St, North Chelmsford, MA 01863-1780. Zachary St Amant's primary practice is Chelmsford Family Practice in North Chelmsford, Massachusetts.
What is Zachary St Amant's office phone number?
The practice phone on file for Zachary St Amant is (978) 251-3159.
What is Zachary St Amant's medical license number?
Zachary St Amant holds Massachusetts license 2316526.
Which hospitals is Zachary St Amant affiliated with?
Zachary St Amant is affiliated with Lowell General Hospital.
What medical group is Zachary St Amant part of?
Zachary St Amant is linked to Chelmsford Family Practice.
Does Zachary St Amant accept Medicare?
Yes. CMS lists Zachary St Amant as accepting Medicare assignment.
Does Zachary St Amant offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Zachary St Amant as offering telehealth services.
How many Medicare patients does Zachary St Amant see?
CMS counts 163 Medicare patients who saw Zachary St Amant in 2024, with an average age of 68.
Has Zachary St Amant received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Zachary St Amant from 1 company from 2025 to 2025. The largest total came from Bayer HealthCare Pharmaceuticals Inc.
How long has Zachary St Amant been practicing?
Zachary St Amant graduated from medical school in 2021, 5 years ago.
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