Dr. David Grant Frederick, MD
- Part D claims, 2023
- 25
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2016
- Practice address
- 2014 Washington Street, Newton, MA 02462
- Practice phone
- Call (617) 243-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Frederick'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. David Grant Frederick is a psychiatrist in Newton Lower Falls, Massachusetts
Dr. Frederick practices at Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham.
Dr. Frederick's NPI, 1669820296, was assigned on May 24, 2016. Dr. Frederick holds Massachusetts license 267798.
- NPI
- 1669820296NPI Registry (opens in a new tab)
- NPI enumeration date
- May 24, 2016
- NPI status
- Active
- Practice phone
- (617) 243-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David Grant Frederick practices at Newton-Wellesley Hospital in Newton, Massachusetts
Dr. Frederick's primary practice is Newton-Wellesley Hospital, at 2014 Washington Street, Newton, MA 02462 in Middlesex County. The practice phone is (617) 243-6000.
- Newton-Wellesley Hospital2014 Washington Street, Newton, MA 02462 · Middlesex CountyPhone(617) 243-6000
Source: Dmand AI Affiliation Data
Dr. David Grant Frederick is affiliated with 2 sites of care
Dr. Frederick's primary practice is Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Frederick to 1 hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Grant Frederick's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Frederick practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Newton-Wellesley Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Grant Frederick is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Frederick's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Frederick is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Frederick
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. David Grant Frederick's patients have a median age of 27
Across all payers, Dmand AI patient panel data puts Dr. Frederick's median patient age at 27, with 100% women.
Dr. Frederick's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 27
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. David Grant Frederick wrote 25 Medicare Part D claims in 2023
In 2023, Dr. Frederick wrote 25 Medicare Part D claims. Every claim was for a generic drug. They cover 2 drugs, with $1,724 in total drug cost. In 2022, CMS named 109 claims across 7 drugs.
Dr. Frederick'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: 1092023: 2577%
Drugs named by CMS: 2 in 2023, 7 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. David Grant Frederick'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. David Grant Frederick
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. David Grant Frederick's NPI number?
Dr. David Grant Frederick's NPI number is 1669820296. It was assigned on May 24, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. David Grant Frederick?
Dr. David Grant Frederick is a psychiatrist in Newton Lower Falls, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. David Grant Frederick practice?
Dr. Frederick practices at 2014 Washington Street, Newton, MA 02462. Dr. Frederick's primary practice is Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham. Dmand AI also links Dr. Frederick to 1 hospital outpatient department.
What is Dr. David Grant Frederick's office phone number?
The practice phone on file for Dr. Frederick is (617) 243-6000.
What is Dr. David Grant Frederick's medical license number?
Dr. Frederick holds Massachusetts license 267798.
Which hospitals is Dr. David Grant Frederick affiliated with?
Dr. Frederick practices at Newton-Wellesley Hospital in Newton, Massachusetts.
What drugs does Dr. David Grant Frederick prescribe most?
In 2023 Medicare Part D data, Dr. Frederick's most prescribed drugs by claims were Clozapine and Lithium Carbonate.
How long has Dr. David Grant Frederick been practicing?
Dr. Frederick's NPI was assigned in 2016.
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