Michael Mayhall, PA
- Part D claims, 2024
- 828
- Industry payments
- $289
- Affiliated sites
- 3
- Medical groups
- 4
- State license
- 1
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Michael Mayhall'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.
Michael Mayhall is a physician assistant in Campbell, California
Michael Mayhall practices at Signify Health in Campbell, California.
Michael Mayhall's NPI, 1689049660, was assigned on December 2, 2015. Michael Mayhall holds Tennessee license PA2781.
- NPI
- 1689049660NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305127911
- NPI enumeration date
- December 2, 2015
- NPI status
- Active
- Offers telehealth
- Yes
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Michael Mayhall practices at Signify Health in Campbell, California
Michael Mayhall's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Michael Mayhall is affiliated with 4 sites of care and 4 medical groups
Michael Mayhall's primary practice is Signify Health in Campbell, California. The medical group on file is Signify Health. Dmand AI also links Michael Mayhall to 3 more group practices and clinics and 3 medical groups, each 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 Michael Mayhall's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Michael Mayhall practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Michael Mayhall is one of 11,482 physician assistants in California
Physician assistant is Michael Mayhall's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Michael Mayhall is licensed in Tennessee.
Specialties and state licenses
- Physician assistant, TennesseePrimary
Physician assistants near Michael Mayhall
Counts of physician assistants 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
Michael Mayhall's patients have a median age of 76
Across all payers, Dmand AI patient panel data puts Michael Mayhall's median patient age at 76, with 53% women.
Michael Mayhall's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 76
Patient panel by sex, all payers
- Women53%
- Men45%
Source: Dmand AI Patient Panel Data
Michael Mayhall wrote 828 Medicare Part D claims in 2024
In 2024, Michael Mayhall wrote 828 Medicare Part D claims for 59 patients. 87% of them were for generic drugs.
Michael Mayhall's Part D claims by kind of drug, 2024
- Generic723 claims87%
- Brand-name and other105 claims13%
Drug classes CMS tracks in Michael Mayhall's Part D claims, 2024
- Antipsychotics, patients 65 and over4%34 of 828 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Michael Mayhall offers telehealth to Medicare patients
CMS lists Michael Mayhall as offering telehealth.
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Michael Mayhall received $289 in industry payments in 2025
CMS Open Payments shows 4 general payments to Michael Mayhall from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $150.
Companies that paid Michael Mayhall 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 Michael Mayhall'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 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) |
| 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 Michael Mayhall
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Michael Mayhall's NPI number?
Michael Mayhall's NPI number is 1689049660. It was assigned on December 2, 2015, and it is active in the NPI Registry.
What does Michael Mayhall specialize in?
Michael Mayhall is a physician assistant in Campbell, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Michael Mayhall practice?
Michael Mayhall practices at 900 E Hamilton Ave, Campbell, CA 95008. Michael Mayhall's primary practice is Signify Health in Campbell, California. Dmand AI also links Michael Mayhall to 3 group practices and clinics and 3 medical groups.
What is Michael Mayhall's office phone number?
The practice phone on file for Michael Mayhall is (469) 466-7007.
What is Michael Mayhall's medical license number?
Michael Mayhall holds Tennessee license PA2781.
What medical group is Michael Mayhall part of?
Michael Mayhall is linked to Signify Health. Dmand AI links Michael Mayhall to 3 more medical groups.
Does Michael Mayhall offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Michael Mayhall as offering telehealth services.
Has Michael Mayhall received payments from drug or device companies?
CMS Open Payments shows $289 in general payments to Michael Mayhall from 3 companies from 2025 to 2025. The largest total came from Novo Nordisk Inc.
How long has Michael Mayhall been practicing?
Michael Mayhall graduated from medical school in 2014, 12 years ago.
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