Gay M. Beseth, NP
- Part D claims, 2024
- 259
- Industry payments
- $76
- Affiliated sites
- 2
- Medical group
- 1
- State license
- 1
- Practice address
- 510 North 13th Avenue Suite 204, Upland, CA 91786
- Practice phone
- Call (909) 920-0525
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Upland Surgical Associates
Surgery Center - Not Medicare-Certified · Upland, California
Find Gay Beseth'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.
Gay M. Beseth is a nurse practitioner in Upland, California
Gay Beseth practices at Upland Surgical Associates in Upland, California.
Gay Beseth's NPI, 1346398286, was assigned on January 8, 2007. Gay Beseth holds California license NP10839.
- NPI
- 1346398286NPI Registry (opens in a new tab)
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Practice phone
- (909) 920-0525
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Gay M. Beseth practices at Upland Surgical Associates in Upland, California
Gay Beseth's primary practice is Upland Surgical Associates, at 510 North 13th Avenue Suite 204, Upland, CA 91786. The practice phone is (909) 920-0525.
- Upland Surgical Associates510 North 13th Avenue Suite 204, Upland, CA 91786Phone(909) 920-0525
Source: Dmand AI Affiliation Data
Gay M. Beseth is affiliated with 2 sites of care and 1 medical group
Gay Beseth's primary practice is Upland Surgical Associates in Upland, California. The medical group on file is Upland Surgical Associates. Dmand AI also links Gay Beseth to 1 more group practice or clinic, named with a free account. Gay Beseth's employer is on file too: a surgery center (asc).
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Gay M. Beseth's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gay Beseth practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Upland Surgical Associates | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Gay M. Beseth is one of 5,983 nurse practitioners in California
Nurse practitioner is Gay Beseth's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Gay Beseth is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Gay Beseth
Counts of nurse practitioners 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
Gay M. Beseth's patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Gay Beseth's median patient age at 73, with 65% women.
Gay Beseth's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women65%
- Men35%
Source: Dmand AI Patient Panel Data
Gay M. Beseth wrote 259 Medicare Part D claims in 2024
In 2024, Gay Beseth wrote 259 Medicare Part D claims for 200 patients. 85% of them were for generic drugs. CMS names the drug for 225 of them, across 5 drugs with 11 or more claims each, at $35,792 in total drug cost.
Gay Beseth's Part D claims by kind of drug, 2024
- Generic221 claims85%
- Brand-name38 claims15%
Gay Beseth's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Gay Beseth's Part D claims, 2024
- Opioids73%190 of 259 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
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Gay M. Beseth received $76 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to Gay Beseth from 3 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $32.
General payments to Gay Beseth by program year, 2024 to 2025
Companies that paid Gay Beseth the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gay M. Beseth'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 Data |
| 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) |
| 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 Gay M. Beseth
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Gay M. Beseth's NPI number?
Gay M. Beseth's NPI number is 1346398286. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What does Gay M. Beseth specialize in?
Gay M. Beseth is a nurse practitioner in Upland, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Gay M. Beseth practice?
Gay Beseth practices at 510 North 13th Avenue Suite 204, Upland, CA 91786. Gay Beseth's primary practice is Upland Surgical Associates in Upland, California. Dmand AI also links Gay Beseth to 1 group practice or clinic.
What is Gay M. Beseth's office phone number?
The practice phone on file for Gay Beseth is (909) 920-0525.
What is Gay M. Beseth's medical license number?
Gay Beseth holds California license NP10839.
What medical group is Gay M. Beseth part of?
Gay Beseth is linked to Upland Surgical Associates.
What drugs does Gay M. Beseth prescribe most?
In 2024 Medicare Part D data, Gay Beseth's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Oxycodone-Acetaminophen and Tramadol HCl.
Has Gay M. Beseth received payments from drug or device companies?
CMS Open Payments shows $76 in general payments to Gay Beseth from 3 companies from 2024 to 2025. The largest total came from Integra LifeSciences Corporation.
How long has Gay M. Beseth been practicing?
Gay Beseth's NPI was assigned in 2007.
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