Emily Niemi Holden
- Hospital affiliations
- 1
- Industry payments
- $59
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2017
- Practice address
- 300 Longwood Avenue, Boston, MA 02115
- Practice phone
- Call (617) 735-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Emily Holden'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.
Emily Niemi Holden is a pediatrician in Boston, Massachusetts
Emily Holden practices at Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital.
Emily Holden's NPI, 1366971327, was assigned on June 5, 2017. Emily Holden graduated from Tufts University School of Dental Medicine in 2017. Emily Holden holds Massachusetts license 282141.
- NPI
- 1366971327NPI Registry (opens in a new tab)
- NPI enumeration date
- June 5, 2017
- NPI status
- Active
- Practice phone
- (617) 735-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Emily Niemi Holden practices at Boston Children's Hospital in Boston, Massachusetts
Emily Holden's primary practice is Boston Children's Hospital, at 300 Longwood Avenue, Boston, MA 02115 in Suffolk County. The practice phone is (617) 735-6000.
- Boston Children's Hospital300 Longwood Avenue, Boston, MA 02115 · Suffolk CountyPhone(617) 735-6000
Source: Dmand AI Affiliation Data
Emily Niemi Holden is affiliated with 3 sites of care and 1 medical group
Emily Holden's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. The medical group on file is Atrius Health. Dmand AI also links Emily Holden to 1 more dialysis center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Emily Niemi Holden's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Emily Holden practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Boston Children's Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Children's Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Emily Niemi Holden is one of 2,101 pediatricians in Massachusetts
Pediatrics is Emily Holden's primary specialty in the NPI Registry, under taxonomy code 208000000X. Emily Holden is licensed in Massachusetts.
Specialties and state licenses
- Pediatrics, MassachusettsPrimary
Pediatricians near Emily Holden
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
Emily Niemi Holden's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Emily Holden's median patient age at 9, with 49% women.
Emily Holden's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women49%
- Men50%
Source: Dmand AI Patient Panel Data
Emily Niemi Holden received $59 in industry payments from 2020 to 2021
CMS Open Payments shows 3 general payments to Emily Holden from 2 drug and device companies from 2020 to 2021. Food and beverage make up the largest share, 100% of the total. Phadia US Inc. paid the most, $37.
General payments to Emily Holden by program year, 2020 to 2021
Companies that paid Emily Holden the most, 2020 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Emily Niemi Holden graduated from Tufts University School of Dental Medicine
Emily Holden graduated from Tufts University School of Dental Medicine in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Emily Niemi Holden'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 |
| 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 Emily Niemi Holden
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Emily Niemi Holden's NPI number?
Emily Niemi Holden's NPI number is 1366971327. It was assigned on June 5, 2017, and it is active in the NPI Registry.
What does Emily Niemi Holden specialize in?
Emily Niemi Holden is a pediatrician in Boston, Massachusetts. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Emily Niemi Holden practice?
Emily Holden practices at 300 Longwood Avenue, Boston, MA 02115. Emily Holden's primary practice is Boston Children's Hospital in Boston, Massachusetts, part of The Children's Hospital. Dmand AI also links Emily Holden to 1 dialysis center and 1 group practice or clinic.
What is Emily Niemi Holden's office phone number?
The practice phone on file for Emily Holden is (617) 735-6000.
What is Emily Niemi Holden's medical license number?
Emily Holden holds Massachusetts license 282141.
Which hospitals is Emily Niemi Holden affiliated with?
Emily Holden practices at Boston Children's Hospital in Boston, Massachusetts.
What medical group is Emily Niemi Holden part of?
Emily Holden is linked to Atrius Health.
Where did Emily Niemi Holden go to medical school?
Emily Holden graduated from Tufts University School of Dental Medicine in 2017.
Has Emily Niemi Holden received payments from drug or device companies?
CMS Open Payments shows $59 in general payments to Emily Holden from 2 companies from 2020 to 2021. The largest total came from Phadia US Inc.
How long has Emily Niemi Holden been practicing?
Emily Holden graduated from medical school in 2017, 9 years ago.
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