Dr. David Michael Mayer, MD
- Medicare services, 2020
- 1,033
- Part D claims, 2024
- 30
- Industry payments
- $1,836
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 4546 Grand Blvd, New Port Richey, FL 34652
- Practice phone
- Call (844) 665-4827
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Guidewell Sanitas I
New Port Richey, Florida
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 Michael Mayer is an internist in New Port Richey, Florida
Dr. Mayer practices at Guidewell Sanitas I in New Port Richey, Florida.
Dr. Mayer's NPI, 1174533137, was assigned on August 9, 2006. Dr. Mayer holds Florida license ME151218.
- NPI
- 1174533137NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5991783979
- NPI enumeration date
- August 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (844) 665-4827
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 77
- Medical school graduation
- 1975
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Michael Mayer practices at Guidewell Sanitas I in New Port Richey, Florida
Dr. Mayer's primary practice is Guidewell Sanitas I, at 4546 Grand Blvd, New Port Richey, FL 34652 in Pasco County. The practice phone is (844) 665-4827.
- Guidewell Sanitas I4546 Grand Blvd, New Port Richey, FL 34652 · Pasco CountyPhone(844) 665-4827
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. David Michael Mayer is affiliated with 2 sites of care and 1 medical group
Dr. Mayer's primary practice is Guidewell Sanitas I in New Port Richey, Florida. The medical group on file is Sanitas Medical Centers. Dmand AI also links Dr. Mayer to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. David Michael Mayer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mayer practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Guidewell Sanitas I | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Michael Mayer is one of 9,009 internists in Florida
Internal medicine is Dr. Mayer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Mayer is licensed in Florida.
Specialties and state licenses
- Internal medicine, FloridaPrimary
Internists near Dr. Mayer
Counts of internists 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 Michael Mayer billed Medicare for 1,033 services in 2020
CMS data shows 1,033 Medicare services from Dr. Mayer across 7 procedure codes in 2020. Medicare paid $45,826 for them. Every service was in an office.
Dr. Mayer's Medicare services by type, 2019 to 2020
- 2019
- 2020
- Office and hospital visits
- 2019: 1,2992020: 92129%
- Other services
- 2019: 1702020: 3977%
- Tests and treatments
- 2019: 1292020: 2878%
- Lab and pathology
- 2019: 1072020: 2379%
- Drugs given in the office
- 2019: 872020: 2275%
- Surgery
- 2019: 182020: 0100%
Dr. Mayer compared with the Florida median for internists, 2020
- Dr. Mayer
- Florida median
- Medicare services
- 1,033vs 55586% above
- Part D claims
- 99vs 46679% below
Medians across 8,488 internists in Florida with Dmand AI profiles that report each measure.
Dr. Mayer's most billed Medicare procedure codes, 2020
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mayer?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mayer and other internists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Michael Mayer's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Mayer's median patient age at 52, with 51% 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 52
Patient panel by sex, all payers
- Women51%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. David Michael Mayer wrote 30 Medicare Part D claims in 2024
In 2024, Dr. Mayer wrote 30 Medicare Part D claims. 97% of them were for generic drugs. They cover 7 drugs, with $1,115 in total drug cost. In 2020, CMS named 8,048 claims across 136 drugs.
Dr. Mayer's Part D claims by kind of drug, 2024
- Generic29 claims97%
- Brand-name and other1 claims3%
Dr. Mayer's most prescribed drugs by claims, 2021
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, 2020 to 2021
- 2020
- 2021
- Claims for drugs CMS names
- 2020: 8,0482021: 9999%
Drugs named by CMS: 7 in 2021, 136 in 2020.
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
How Dr. David Michael Mayer takes part in Medicare
Dr. Mayer 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)
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Dr. David Michael Mayer received $1,836 in industry payments from 2016 to 2025
CMS Open Payments shows 110 general payments to Dr. Mayer from 22 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Pfizer Inc. paid the most, $325.
General payments to Dr. Mayer by program year, 2016 to 2025
General payments to Dr. Mayer by kind, 2016 to 2025
- Food and beverage$1,82199%
- Education$151%
Companies that paid Dr. Mayer the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. David Michael 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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)Medicare Part D Prescribers - by Provider (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) |
| 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 Michael 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 Michael Mayer's NPI number?
Dr. David Michael Mayer's NPI number is 1174533137. It was assigned on August 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David Michael Mayer?
Dr. David Michael Mayer is an internist in New Port Richey, Florida. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David Michael Mayer practice?
Dr. Mayer practices at 4546 Grand Blvd, New Port Richey, FL 34652. Dr. Mayer's primary practice is Guidewell Sanitas I in New Port Richey, Florida. Dmand AI also links Dr. Mayer to 1 group practice or clinic.
What is Dr. David Michael Mayer's office phone number?
The practice phone on file for Dr. Mayer is (844) 665-4827.
What is Dr. David Michael Mayer's medical license number?
Dr. Mayer holds Florida license ME151218.
What medical group is Dr. David Michael Mayer part of?
Dr. Mayer is linked to Sanitas Medical Centers.
Does Dr. David Michael Mayer accept Medicare?
Yes. CMS data shows Dr. Mayer billed Medicare for 1,033 services in 2020, and Dr. Mayer accepts Medicare assignment.
What services does Dr. David Michael Mayer bill to Medicare?
In 2020, Dr. Mayer's most billed Medicare services were office visit, established patient (99213), office visit, established patient (99214) and infusion or chemotherapy administration (96372).
What drugs does Dr. David Michael Mayer prescribe most?
In 2021 Medicare Part D data, Dr. Mayer's most prescribed drugs by claims were Atenolol, Atorvastatin Calcium and Lisinopril.
Has Dr. David Michael Mayer received payments from drug or device companies?
CMS Open Payments shows $1,836 in general payments to Dr. Mayer from 22 companies from 2016 to 2025. The largest total came from Pfizer Inc.
How long has Dr. David Michael Mayer been practicing?
Dr. Mayer graduated from medical school in 1975, 51 years ago.
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