Cheryl S. Demonner, PA-C
- Part D claims, 2024
- 119
- Hospital affiliations
- 1
- Industry payments
- $64
- Medical groups
- 2
- State license
- 1
- Practice address
- 911 Sunset Drive, Hollister, CA 95032
- Practice phone
- Call (831) 637-5711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Cheryl Demonner's professional email, personal email and mobile number
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Cheryl S. Demonner is a physician assistant in Hollister, California
Cheryl Demonner practices at Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins.
Cheryl Demonner's NPI, 1205067410, was assigned on August 5, 2009. Cheryl Demonner holds California license PA12663.
- NPI
- 1205067410NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4183809254
- NPI enumeration date
- August 5, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (831) 637-5711
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Cheryl S. Demonner practices at Hazel Hawkins Memorial Hospital in Hollister, California
Cheryl Demonner's primary practice is Hazel Hawkins Memorial Hospital, at 911 Sunset Drive, Hollister, CA 95032 in Santa Clara County. The practice phone is (831) 637-5711.
- Hazel Hawkins Memorial Hospital911 Sunset Drive, Hollister, CA 95032 · Santa Clara CountyPhone(831) 637-5711
Source: Dmand AI Affiliation Data
Cheryl S. Demonner is affiliated with 3 sites of care and 2 medical groups
Cheryl Demonner's primary practice is Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins. The medical group on file is Sleep Health MD. Dmand AI also links Cheryl Demonner to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Cheryl S. Demonner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Cheryl Demonner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hazel Hawkins Memorial Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Hazel Hawkins and 6.2K+ hospitals, with verified contacts in the same login.
Cheryl S. Demonner is one of 2,381 physician assistants in California
Medical is Cheryl Demonner's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Cheryl Demonner is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near Cheryl Demonner
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
Cheryl S. Demonner's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Cheryl Demonner's median patient age at 52, with 43% women.
Cheryl Demonner'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
- Women43%
- Men56%
Source: Dmand AI Patient Panel Data
Cheryl S. Demonner wrote 119 Medicare Part D claims in 2024
In 2024, Cheryl Demonner wrote 119 Medicare Part D claims for 50 patients. 97% of them were for generic drugs.
Cheryl Demonner's Part D claims by kind of drug, 2024
- Generic115 claims97%
- Brand-name and other4 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Cheryl S. Demonner takes part in Medicare
Cheryl Demonner 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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Cheryl S. Demonner received $64 in industry payments in 2025
CMS Open Payments shows 3 general payments to Cheryl Demonner from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Harmony Biosciences LLC paid the most, $34.
Companies that paid Cheryl Demonner 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 Cheryl S. Demonner'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) |
| 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 Cheryl S. Demonner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Cheryl S. Demonner's NPI number?
Cheryl S. Demonner's NPI number is 1205067410. It was assigned on August 5, 2009, and it is active in the NPI Registry.
What does Cheryl S. Demonner specialize in?
Cheryl S. Demonner is a physician assistant in Hollister, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Cheryl S. Demonner practice?
Cheryl Demonner practices at 911 Sunset Drive, Hollister, CA 95032. Cheryl Demonner's primary practice is Hazel Hawkins Memorial Hospital in Hollister, California, part of Hazel Hawkins. Dmand AI also links Cheryl Demonner to 2 group practices and clinics and 1 medical group.
What is Cheryl S. Demonner's office phone number?
The practice phone on file for Cheryl Demonner is (831) 637-5711.
What is Cheryl S. Demonner's medical license number?
Cheryl Demonner holds California license PA12663.
Which hospitals is Cheryl S. Demonner affiliated with?
Cheryl Demonner practices at Hazel Hawkins Memorial Hospital in Hollister, California.
What medical group is Cheryl S. Demonner part of?
Cheryl Demonner is linked to Sleep Health MD. Dmand AI links Cheryl Demonner to 1 more medical group.
Does Cheryl S. Demonner accept Medicare?
Yes. CMS lists Cheryl Demonner as accepting Medicare assignment.
Has Cheryl S. Demonner received payments from drug or device companies?
CMS Open Payments shows $64 in general payments to Cheryl Demonner from 2 companies from 2025 to 2025. The largest total came from Harmony Biosciences LLC.
How long has Cheryl S. Demonner been practicing?
Cheryl Demonner graduated from medical school in 1991, 35 years ago.
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