Dr. Joseph Dao, MD
- Part D claims, 2024
- 21
- Hospital affiliations
- 1
- Industry payments
- $27
- State license
- 1
- Year NPI issued
- 2023
- Practice address
- 27 Park Street, Hyannis, MA 02601
- Practice phone
- Call (508) 771-1800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Dao'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. Joseph Dao is a general surgeon in Hyannis, Massachusetts
Dr. Dao practices at Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
Dr. Dao's NPI, 1801590070, was assigned on March 29, 2023. Dr. Dao holds Massachusetts license 3016349.
- NPI
- 1801590070NPI Registry (opens in a new tab)
- NPI enumeration date
- March 29, 2023
- NPI status
- Active
- Practice phone
- (508) 771-1800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Joseph Dao practices at Cape Cod Hospital in Hyannis, Massachusetts
Dr. Dao's primary practice is Cape Cod Hospital, at 27 Park Street, Hyannis, MA 02601 in Barnstable County. The practice phone is (508) 771-1800.
- Cape Cod Hospital27 Park Street, Hyannis, MA 02601 · Barnstable CountyPhone(508) 771-1800
Source: Dmand AI Affiliation Data
Dr. Joseph Dao is affiliated with 1 site of care
Dr. Dao's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Joseph Dao's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Dao practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cape Cod Hospital | 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 Cape Cod Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Joseph Dao is one of 732 general surgeons in Massachusetts
Surgery is Dr. Dao's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Dao is licensed in Massachusetts.
Specialties and state licenses
- Surgery, MassachusettsPrimary
General surgeons near Dr. Dao
Counts of general surgeons 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. Joseph Dao's patients have a median age of 62
Across all payers, Dmand AI patient panel data puts Dr. Dao's median patient age at 62, with 61% women.
Dr. Dao's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Joseph Dao wrote 21 Medicare Part D claims in 2024
In 2024, Dr. Dao wrote 21 Medicare Part D claims for 12 patients. 100% of them were for generic drugs.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Joseph Dao received $27 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Dao from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Olympus Corporation of the Americas paid the most, $27.
Companies that paid Dr. Dao the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Joseph Dao'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 (CMS) (opens in a new tab) |
| 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. Joseph Dao
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. Joseph Dao's NPI number?
Dr. Joseph Dao's NPI number is 1801590070. It was assigned on March 29, 2023, and it is active in the NPI Registry.
What kind of doctor is Dr. Joseph Dao?
Dr. Joseph Dao is a general surgeon in Hyannis, Massachusetts. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Joseph Dao practice?
Dr. Dao practices at 27 Park Street, Hyannis, MA 02601. Dr. Dao's primary practice is Cape Cod Hospital in Hyannis, Massachusetts, part of Cape Cod Healthcare.
What is Dr. Joseph Dao's office phone number?
The practice phone on file for Dr. Dao is (508) 771-1800.
What is Dr. Joseph Dao's medical license number?
Dr. Dao holds Massachusetts license 3016349.
Which hospitals is Dr. Joseph Dao affiliated with?
Dr. Dao practices at Cape Cod Hospital in Hyannis, Massachusetts.
Has Dr. Joseph Dao received payments from drug or device companies?
CMS Open Payments shows $27 in general payments to Dr. Dao from 1 company from 2025 to 2025. The largest total came from Olympus Corporation of the Americas.
How long has Dr. Joseph Dao been practicing?
Dr. Dao's NPI was assigned in 2023.
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