Dr. John Chardavoyne, MD
- Medicare services, 2023
- 105
- Part D claims, 2024
- 19
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2007
- Practice address
- 51 Sawyer Rd, Waltham, MA 02453
- Practice phone
- Call (781) 647-2929
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Boston Childrens at Waltham
Waltham, Massachusetts
Find Dr. Chardavoyne'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.
Dr. John Chardavoyne is a psychiatrist in Waltham, Massachusetts
Dr. Chardavoyne practices at Boston Childrens at Waltham in Waltham, Massachusetts.
Dr. Chardavoyne's NPI, 1538206800, was assigned on January 30, 2007. Dr. Chardavoyne holds Connecticut license 048541.
- NPI
- 1538206800NPI Registry (opens in a new tab)
- NPI enumeration date
- January 30, 2007
- NPI status
- Active
- Practice phone
- (781) 647-2929
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John Chardavoyne practices at Boston Childrens at Waltham in Waltham, Massachusetts
Dr. Chardavoyne's primary practice is Boston Childrens at Waltham, at 51 Sawyer Rd, Waltham, MA 02453 in Middlesex County. The practice phone is (781) 647-2929.
- Boston Childrens at Waltham51 Sawyer Rd, Waltham, MA 02453 · Middlesex CountyPhone(781) 647-2929
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Chardavoyne is affiliated with 1 site of care and 1 medical group
Dr. Chardavoyne's primary practice is Boston Childrens at Waltham in Waltham, Massachusetts. The medical group on file is Bright Heart Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Chardavoyne's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chardavoyne practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Childrens at Waltham | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Chardavoyne is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Chardavoyne's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Chardavoyne is licensed in Connecticut.
Specialties and state licenses
- Psychiatry, ConnecticutPrimary
Psychiatrists near Dr. Chardavoyne
Counts of psychiatrists 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
Dr. John Chardavoyne billed Medicare for 105 services in 2023
CMS data shows 105 Medicare services from Dr. Chardavoyne across 2 procedure codes in 2023, all of them office visits. Medicare paid $6,803 for them. Every service was in an office.
Dr. Chardavoyne's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 1602023: 10534%
- Tests and treatments
- 2022: 582023: 0100%
Dr. Chardavoyne compared with the Massachusetts median for psychiatrists, 2023
- Dr. Chardavoyne
- Massachusetts median
- Medicare services
- 105vs 17239% below
- Part D claims
- 62vs 9233% below
Medians across 2,056 psychiatrists in Massachusetts with Dmand AI profiles that report each measure.
Dr. Chardavoyne's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chardavoyne and other psychiatrists in Massachusetts.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Chardavoyne's patients have a median age of 22
Across all payers, Dmand AI patient panel data puts Dr. Chardavoyne's median patient age at 22, with 84% women.
Dr. Chardavoyne's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 22
Patient panel by sex, all payers
- Women84%
- Men9%
Source: Dmand AI Patient Panel Data
Dr. John Chardavoyne wrote 19 Medicare Part D claims in 2024
In 2024, Dr. Chardavoyne wrote 19 Medicare Part D claims. 100% of them were for generic drugs. They cover 3 drugs, with $13,730 in total drug cost. In 2022, CMS named 78 claims across 4 drugs.
Dr. Chardavoyne's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 782023: 6221%
Drugs named by CMS: 3 in 2023, 4 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Sources for Dr. John Chardavoyne'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 Dr. John Chardavoyne
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Chardavoyne's NPI number?
Dr. John Chardavoyne's NPI number is 1538206800. It was assigned on January 30, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Chardavoyne?
Dr. John Chardavoyne is a psychiatrist in Waltham, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. John Chardavoyne practice?
Dr. Chardavoyne practices at 51 Sawyer Rd, Waltham, MA 02453. Dr. Chardavoyne's primary practice is Boston Childrens at Waltham in Waltham, Massachusetts.
What is Dr. John Chardavoyne's office phone number?
The practice phone on file for Dr. Chardavoyne is (781) 647-2929.
What is Dr. John Chardavoyne's medical license number?
Dr. Chardavoyne holds Connecticut license 048541.
What medical group is Dr. John Chardavoyne part of?
Dr. Chardavoyne is linked to Bright Heart Health.
Does Dr. John Chardavoyne accept Medicare?
Yes. CMS data shows Dr. Chardavoyne billed Medicare for 105 services in 2023.
What services does Dr. John Chardavoyne bill to Medicare?
In 2023, Dr. Chardavoyne's most billed Medicare services were office visit, established patient (99214) and office visit, established patient (99213).
What drugs does Dr. John Chardavoyne prescribe most?
In 2023 Medicare Part D data, Dr. Chardavoyne's most prescribed drugs by claims were Buprenorphine-Naloxone, Gabapentin and Suboxone.
How long has Dr. John Chardavoyne been practicing?
Dr. Chardavoyne graduated from medical school in 2006, 20 years ago.
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