Cell PhoneDelivery of Health CareMental Disorders
Dr. Daniel Billings Fisher, MD, PhD
NPI1023189156
- Part D claims, 2024
- 23
- Publications
- 1
- Insurance carriers
- 1
- State licenses
- 2
- Year NPI issued
- 2006
- Practice address
- 25 Bigelow St, Cambridge, MA 02139-2301
- Practice phone
- Call (617) 491-6775
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Fisher'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. Daniel Billings Fisher is a psychiatrist in Cambridge, Massachusetts
Dr. Fisher practices in Cambridge, Massachusetts.
Dr. Fisher's NPI, 1023189156, was assigned on November 12, 2006. Dr. Fisher graduated from George Washington University School of Medicine and Health Sciences in 1976. Dr. Fisher's Massachusetts license number on file is 41508.
NPI and contact details
- NPI
- 1023189156NPI Registry (opens in a new tab)
- NPI enumeration date
- November 12, 2006
- NPI status
- Active
- Practice phone
- (617) 491-6775
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Medical school graduation
- 1976
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Dr. Daniel Billings Fisher's practice address is in Cambridge, Massachusetts
Dr. Fisher's practice address in the NPI Registry is 25 Bigelow St, Cambridge, MA 02139-2301. The practice phone is (617) 491-6775.
- NPI Registry address25 Bigelow St, Cambridge, MA 02139-2301Phone(617) 491-6775
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Dr. Daniel Billings Fisher's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fisher practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dr. Fisher's practice | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
See the EHR and IT leaders at every site where Dr. Fisher practices
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Daniel Billings Fisher is one of 1,857 psychiatrists in Massachusetts
Psychiatry is Dr. Fisher's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Fisher is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Fisher's licenses on file in 2 states: Massachusetts and Maryland.
Specialties and state licenses
- Psychiatry, MassachusettsPrimary
- Maryland license
Psychiatrists near Dr. Fisher
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. Daniel Billings Fisher wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Fisher wrote 23 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 $19 in total drug cost. In 2023, CMS named 30 claims across 2 drugs.
Part D claims, 202423
Drugs named by CMS1
Total drug cost$19
Dr. Fisher's 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: 302024: 1260%
Drugs named by CMS: 1 in 2024, 2 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
For MedTech and pharma teams
Find psychiatrists like Dr. Fisher by procedure volume and prescribing
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Daniel Billings Fisher has 1 publication on record
Dmand AI links 1 paper to Dr. Fisher in 2019.
Papers1
Recent publications by Dr. Fisher
See who Dr. Fisher researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fisher works with, so you can find a warm path to the right psychiatrists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Daniel Billings Fisher graduated from George Washington University School of Medicine and Health Sciences
Dr. Fisher graduated from George Washington University School of Medicine and Health Sciences in 1976.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Dr. Daniel Billings Fisher accepts plans from 1 insurance carrier
Dr. Fisher is in network with 1 carrier, including RI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- RI State Medicaid
Source: Dmand AI Insurance Network Data
Sources for Dr. Daniel Billings Fisher'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 |
| 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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Daniel Billings Fisher
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. Daniel Billings Fisher's NPI number?
Dr. Daniel Billings Fisher's NPI number is 1023189156. It was assigned on November 12, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Daniel Billings Fisher?
Dr. Daniel Billings Fisher is a psychiatrist in Cambridge, Massachusetts. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Daniel Billings Fisher practice?
Dr. Fisher practices at 25 Bigelow St, Cambridge, MA 02139-2301.
What is Dr. Daniel Billings Fisher's office phone number?
The practice phone on file for Dr. Fisher is (617) 491-6775.
What is Dr. Daniel Billings Fisher's medical license number?
Dr. Fisher's Massachusetts license number on file is 41508, one of the licenses on file in 2 states.
Which states has Dr. Daniel Billings Fisher been licensed in?
Dmand AI has state licenses on file for Dr. Fisher in Massachusetts (1977 to 2025) and Maryland (1984 to 1990).
Is Dr. Daniel Billings Fisher board certified?
Yes. Dr. Fisher is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Daniel Billings Fisher go to medical school?
Dr. Fisher graduated from George Washington University School of Medicine and Health Sciences in 1976.
What drugs does Dr. Daniel Billings Fisher prescribe most?
In 2024 Medicare Part D data, Dr. Fisher's most prescribed drugs by claims were Clonazepam.
How long has Dr. Daniel Billings Fisher been practicing?
Dr. Fisher graduated from medical school in 1976, 50 years ago.
Does Dr. Daniel Billings Fisher do research?
Dmand AI links 1 publication to Dr. Fisher.
What insurance does Dr. Daniel Billings Fisher accept?
Dr. Fisher is in network with 1 carrier, including RI State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to psychiatry practices?
See psychiatrists in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card