Diana Longan Stern
- Part D claims, 2023
- 57
- Hospital affiliations
- 3
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2019
- 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 Diana Stern'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.
Diana Longan Stern is a psychiatrist in Newton Lower Falls, Massachusetts
Diana Stern practices at Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham.
Diana Stern's NPI, 1376003863, was assigned on March 21, 2019. Diana Stern graduated from Columbia University College of Physicians and Surgeons in 2019. Diana Stern holds Massachusetts license 290430.
- NPI
- 1376003863NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1951631894
- NPI enumeration date
- March 21, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (617) 243-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Diana Longan Stern practices at Newton-Wellesley Hospital in Newton, Massachusetts
Diana Stern'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
Diana Longan Stern is affiliated with 4 sites of care and 3 medical groups
Diana Stern's primary practice is Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham. Diana Stern is also affiliated with Massachusetts General Hospital. The medical group on file is Massachusetts General Hospital. Dmand AI also links Diana Stern to 1 more hospital, 2 medical groups and 1 hospital outpatient department, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Diana Longan Stern's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diana Stern practices, 4 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 |
| +3 more sites and 2 medical groups | 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 Mass General Brigham and 6.2K+ hospitals, with verified contacts in the same login.
Diana Longan Stern is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Diana Stern's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Diana Stern is licensed in Massachusetts.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
Psychiatrists near Diana Stern
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
Diana Longan Stern's patients have a median age of 36
Across all payers, Dmand AI patient panel data puts Diana Stern's median patient age at 36, with 80% women.
Diana Stern's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 36
Patient panel by sex, all payers
- Women80%
- Men20%
Source: Dmand AI Patient Panel Data
Diana Longan Stern wrote 57 Medicare Part D claims in 2023
In 2023, Diana Stern wrote 57 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $1,048 in total drug cost. In 2022, CMS named 103 claims across 6 drugs.
Diana Stern'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: 1032023: 5745%
Drugs named by CMS: 4 in 2023, 6 in 2022.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Diana Longan Stern takes part in Medicare
Diana Stern accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Diana Longan Stern graduated from Columbia University College of Physicians and Surgeons
Diana Stern graduated from Columbia University College of Physicians and Surgeons in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Diana Longan Stern'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Diana Longan Stern
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Diana Longan Stern's NPI number?
Diana Longan Stern's NPI number is 1376003863. It was assigned on March 21, 2019, and it is active in the NPI Registry.
What does Diana Longan Stern specialize in?
Diana Longan Stern is a psychiatrist in Newton Lower Falls, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Diana Longan Stern practice?
Diana Stern practices at 2014 Washington Street, Newton, MA 02462. Diana Stern's primary practice is Newton-Wellesley Hospital in Newton, Massachusetts, part of Mass General Brigham. Dmand AI also links Diana Stern to 1 hospital, 2 medical groups and 1 hospital outpatient department.
What is Diana Longan Stern's office phone number?
The practice phone on file for Diana Stern is (617) 243-6000.
What is Diana Longan Stern's medical license number?
Diana Stern holds Massachusetts license 290430.
Which hospitals is Diana Longan Stern affiliated with?
Diana Stern practices at Newton-Wellesley Hospital in Newton, Massachusetts. Diana Stern is also affiliated with Massachusetts General Hospital. Dmand AI links Diana Stern to 1 more hospital.
What medical group is Diana Longan Stern part of?
Diana Stern is linked to Massachusetts General Hospital. Dmand AI links Diana Stern to 2 more medical groups.
Does Diana Longan Stern accept Medicare?
Yes. CMS lists Diana Stern as accepting Medicare assignment.
Where did Diana Longan Stern go to medical school?
Diana Stern graduated from Columbia University College of Physicians and Surgeons in 2019.
What drugs does Diana Longan Stern prescribe most?
In 2023 Medicare Part D data, Diana Stern's most prescribed drugs by claims were Lamotrigine, Memantine HCl and Lithium Carbonate.
How long has Diana Longan Stern been practicing?
Diana Stern graduated from medical school in 2019, 7 years ago.
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