Dr. Kimberly A. Mastis, MD
- Part D claims, 2024
- 65
- Industry payments
- $6,099
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 148 Worcester St, West Boylston, MA 01583-1751
- Practice phone
- Call (508) 835-1735
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Pediatric Behavioral Health
Behavioral health practice · West Boylston, Massachusetts
Find Dr. Mastis' 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. Kimberly A. Mastis is a psychiatrist in West Boylston, Massachusetts
Dr. Mastis practices at Pediatric Behavioral Health in West Boylston, Massachusetts.
Dr. Mastis' NPI, 1285791780, was assigned on January 3, 2007. Dr. Mastis graduated from Tufts University School of Medicine in 2004. Dr. Mastis holds Massachusetts license 236381.
- NPI
- 1285791780NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9931248655
- NPI enumeration date
- January 3, 2007
- NPI status
- Active
- Practice phone
- (508) 835-1735
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Kimberly A. Mastis practices at Pediatric Behavioral Health in West Boylston, Massachusetts
Dr. Mastis' primary practice is Pediatric Behavioral Health, at 148 Worcester St, West Boylston, MA 01583-1751. The practice phone is (508) 835-1735.
- Pediatric Behavioral Health148 Worcester St, West Boylston, MA 01583-1751Phone(508) 835-1735
Source: Dmand AI Affiliation Data
Dr. Kimberly A. Mastis is affiliated with 1 site of care and 1 medical group
Dr. Mastis' primary practice is Pediatric Behavioral Health in West Boylston, Massachusetts. The medical group on file is Pediatric Behavioral Health.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Kimberly A. Mastis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mastis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Pediatric Behavioral Health | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Kimberly A. Mastis is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Mastis' primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Mastis is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Dr. Mastis
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. Kimberly A. Mastis' patients have a median age of 24
Across all payers, Dmand AI patient panel data puts Dr. Mastis' median patient age at 24, with 40% women.
Dr. Mastis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 24
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Kimberly A. Mastis wrote 65 Medicare Part D claims in 2024
In 2024, Dr. Mastis wrote 65 Medicare Part D claims. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $322 in total drug cost. In 2023, CMS named 11 claims across 1 drug.
Dr. Mastis' most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 112024: 129%
Drugs named by CMS: 1 in 2024, 1 in 2023.
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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Dr. Kimberly A. Mastis received $6,099 in industry payments from 2019 to 2023
CMS Open Payments shows 3 general payments to Dr. Mastis from 2 drug and device companies from 2019 to 2023. Speaker and faculty fees make up the largest share, 49% of the total. BrainsWay USA Inc paid the most, $6,000.
General payments to Dr. Mastis by program year, 2019 to 2023
General payments to Dr. Mastis by kind, 2019 to 2023
- Speaker and faculty fees$3,00049%
- Consulting fees$3,00049%
- Food and beverage$992%
Companies that paid Dr. Mastis the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Kimberly A. Mastis graduated from Tufts University School of Medicine
Dr. Mastis graduated from Tufts University School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Kimberly A. Mastis'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. Kimberly A. Mastis
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. Kimberly A. Mastis' NPI number?
Dr. Kimberly A. Mastis' NPI number is 1285791780. It was assigned on January 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Kimberly A. Mastis?
Dr. Kimberly A. Mastis is a psychiatrist in West Boylston, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Kimberly A. Mastis practice?
Dr. Mastis practices at 148 Worcester St, West Boylston, MA 01583-1751. Dr. Mastis' primary practice is Pediatric Behavioral Health in West Boylston, Massachusetts.
What is Dr. Kimberly A. Mastis' office phone number?
The practice phone on file for Dr. Mastis is (508) 835-1735.
What is Dr. Kimberly A. Mastis' medical license number?
Dr. Mastis holds Massachusetts license 236381.
What medical group is Dr. Kimberly A. Mastis part of?
Dr. Mastis is linked to Pediatric Behavioral Health.
Where did Dr. Kimberly A. Mastis go to medical school?
Dr. Mastis graduated from Tufts University School of Medicine in 2004.
What drugs does Dr. Kimberly A. Mastis prescribe most?
In 2024 Medicare Part D data, Dr. Mastis' most prescribed drugs by claims were Quetiapine Fumarate ER.
Has Dr. Kimberly A. Mastis received payments from drug or device companies?
CMS Open Payments shows $6,099 in general payments to Dr. Mastis from 2 companies from 2019 to 2023. The largest total came from BrainsWay USA Inc.
How long has Dr. Kimberly A. Mastis been practicing?
Dr. Mastis graduated from medical school in 2004, 22 years ago.
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