Dr. Anna Mezey Brownstein, DO
- Industry payments
- $47
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 218 N Main St, Natick, MA 01760
- Practice phone
- Call (508) 647-4955
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Giving Tree Pediatrics
Natick, Massachusetts
Find Dr. Brownstein'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. Anna Mezey Brownstein is a pediatrician in Natick, Massachusetts
Dr. Brownstein practices at Giving Tree Pediatrics in Natick, Massachusetts.
Dr. Brownstein's NPI, 1013441450, was assigned on April 12, 2017. Dr. Brownstein holds South Carolina license 40756.
- NPI
- 1013441450NPI Registry (opens in a new tab)
- NPI enumeration date
- April 12, 2017
- NPI status
- Active
- Practice phone
- (508) 647-4955
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Anna Mezey Brownstein practices at Giving Tree Pediatrics in Natick, Massachusetts
Dr. Brownstein's primary practice is Giving Tree Pediatrics, at 218 N Main St, Natick, MA 01760 in Middlesex County. The practice phone is (508) 647-4955.
- Giving Tree Pediatrics218 N Main St, Natick, MA 01760 · Middlesex CountyPhone(508) 647-4955
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Anna Mezey Brownstein is affiliated with 2 sites of care and 1 medical group
Dr. Brownstein's primary practice is Giving Tree Pediatrics in Natick, Massachusetts. Dmand AI also links Dr. Brownstein to 1 physician office and 1 medical group, each 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 Dr. Anna Mezey Brownstein's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Brownstein practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Giving Tree Pediatrics | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Anna Mezey Brownstein is one of 2,101 pediatricians in Massachusetts
Pediatrics is Dr. Brownstein's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Brownstein is licensed in South Carolina.
Specialties and state licenses
- Pediatrics, South CarolinaPrimary
Pediatricians near Dr. Brownstein
Counts of pediatricians 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. Anna Mezey Brownstein's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. Brownstein's median patient age at 10, with 43% women.
Dr. Brownstein's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women43%
- Men56%
Source: Dmand AI Patient Panel Data
Dr. Anna Mezey Brownstein received $47 in industry payments from 2022 to 2023
CMS Open Payments shows 2 general payments to Dr. Brownstein from 1 drug or device company from 2022 to 2023. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $47.
General payments to Dr. Brownstein by program year, 2022 to 2023
Companies that paid Dr. Brownstein the most, 2022 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Anna Mezey Brownstein'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 Data |
| 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 Dr. Anna Mezey Brownstein
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. Anna Mezey Brownstein's NPI number?
Dr. Anna Mezey Brownstein's NPI number is 1013441450. It was assigned on April 12, 2017, and it is active in the NPI Registry.
What kind of doctor is Dr. Anna Mezey Brownstein?
Dr. Anna Mezey Brownstein is a pediatrician in Natick, Massachusetts. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Anna Mezey Brownstein practice?
Dr. Brownstein practices at 218 N Main St, Natick, MA 01760. Dr. Brownstein's primary practice is Giving Tree Pediatrics in Natick, Massachusetts. Dmand AI also links Dr. Brownstein to 1 physician office and 1 medical group.
What is Dr. Anna Mezey Brownstein's office phone number?
The practice phone on file for Dr. Brownstein is (508) 647-4955.
What is Dr. Anna Mezey Brownstein's medical license number?
Dr. Brownstein holds South Carolina license 40756.
Has Dr. Anna Mezey Brownstein received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Dr. Brownstein from 1 company from 2022 to 2023. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Anna Mezey Brownstein been practicing?
Dr. Brownstein's NPI was assigned in 2017.
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