Dr. David A. Mayer, MD
- Part D claims, 2024
- 23
- Hospital affiliations
- 1
- Industry payments
- $71
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 200 Belle Terre Road, Port Jefferson, NY 11777
- Practice phone
- Call (631) 474-6000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Mayer'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. David A. Mayer is a general surgeon in Port Jefferson, New York
Dr. Mayer practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre.
Dr. Mayer's NPI, 1265471007, was assigned on June 6, 2006. Dr. Mayer holds New York license 124152-01.
- NPI
- 1265471007NPI Registry (opens in a new tab)
- NPI enumeration date
- June 6, 2006
- NPI status
- Active
- Practice phone
- (631) 474-6000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 78
- Medical school graduation
- 1974
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. David A. Mayer practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York
Dr. Mayer's primary practice is Good Samaritan University Hospital St. Charles Campus, at 200 Belle Terre Road, Port Jefferson, NY 11777 in Suffolk County. The practice phone is (631) 474-6000.
- Good Samaritan University Hospital St. Charles Campus200 Belle Terre Road, Port Jefferson, NY 11777 · Suffolk CountyPhone(631) 474-6000
Source: Dmand AI Affiliation Data
Dr. David A. Mayer is affiliated with 2 sites of care
Dr. Mayer's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Mayer to 1 physician office, named with a free account. Dr. Mayer's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David A. Mayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mayer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Good Samaritan University Hospital St. Charles Campus | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Diocese of Rockville Centre and 6.2K+ hospitals, with verified contacts in the same login.
Dr. David A. Mayer is one of 1,604 general surgeons in New York
Surgery is Dr. Mayer's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Mayer is licensed in New York.
Specialties and state licenses
- Surgery, New YorkPrimary
General surgeons near Dr. Mayer
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. David A. Mayer's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Mayer's median patient age at 72, with 0% women.
Dr. Mayer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. David A. Mayer wrote 23 Medicare Part D claims in 2024
In 2024, Dr. Mayer wrote 23 Medicare Part D claims. 87% of them were for generic drugs.
Dr. Mayer's Part D claims by kind of drug, 2024
- Generic20 claims87%
- Brand-name and other3 claims13%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. David A. Mayer received $71 in industry payments from 2017 to 2024
CMS Open Payments shows 3 general payments to Dr. Mayer from 3 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $38.
General payments to Dr. Mayer by program year, 2017 to 2024
Companies that paid Dr. Mayer the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David A. Mayer'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. David A. Mayer
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. David A. Mayer's NPI number?
Dr. David A. Mayer's NPI number is 1265471007. It was assigned on June 6, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David A. Mayer?
Dr. David A. Mayer is a general surgeon in Port Jefferson, New York. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David A. Mayer practice?
Dr. Mayer practices at 200 Belle Terre Road, Port Jefferson, NY 11777. Dr. Mayer's primary practice is Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York, part of Diocese of Rockville Centre. Dmand AI also links Dr. Mayer to 1 physician office.
What is Dr. David A. Mayer's office phone number?
The practice phone on file for Dr. Mayer is (631) 474-6000.
What is Dr. David A. Mayer's medical license number?
Dr. Mayer holds New York license 124152-01.
Which hospitals is Dr. David A. Mayer affiliated with?
Dr. Mayer practices at Good Samaritan University Hospital St. Charles Campus in Port Jefferson, New York.
Has Dr. David A. Mayer received payments from drug or device companies?
CMS Open Payments shows $71 in general payments to Dr. Mayer from 3 companies from 2017 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. David A. Mayer been practicing?
Dr. Mayer graduated from medical school in 1974, 52 years ago.
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