Riyan Buller, FNP
- Medicare services, 2024
- 95
- Medicare patients, 2024
- 51
- Part D claims, 2024
- 660
- Hospital affiliations
- 1
- Industry payments
- $1,626
- Practice address
- 751 Medical Center Court, Chula Vista, CA 91911
- Practice phone
- Call (619) 502-5800
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Riyan Buller's professional email, personal email and mobile number
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Riyan Buller is a family nurse practitioner in Chula Vista, California
Riyan Buller practices at Sharp Chula Vista Medical Center in Chula Vista, California, part of Sharp HealthCare.
Riyan Buller's NPI, 1033814017, was assigned on March 31, 2023. Riyan Buller holds California license 95024624.
- NPI
- 1033814017NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355793340
- NPI enumeration date
- March 31, 2023
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (619) 502-5800
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Riyan Buller practices at Sharp Chula Vista Medical Center in Chula Vista, California
Riyan Buller's primary practice is Sharp Chula Vista Medical Center, at 751 Medical Center Court, Chula Vista, CA 91911 in San Diego County. The practice phone is (619) 502-5800.
- Sharp Chula Vista Medical Center751 Medical Center Court, Chula Vista, CA 91911 · San Diego CountyPhone(619) 502-5800
Source: Dmand AI Affiliation Data
Riyan Buller is affiliated with 2 sites of care and 3 medical groups
Riyan Buller's primary practice is Sharp Chula Vista Medical Center in Chula Vista, California, part of Sharp HealthCare. The medical group on file is Perlman Clinic. Dmand AI also links Riyan Buller to 2 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Riyan Buller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Riyan Buller practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Chula Vista Medical Center | Available with a free account |
| +1 more site and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Riyan Buller is one of 13,532 family nurse practitioners in California
Family is Riyan Buller's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Riyan Buller is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Riyan Buller
Counts of family 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
Riyan Buller billed Medicare for 95 services in 2024
CMS data shows 95 Medicare services from Riyan Buller across 3 procedure codes in 2024, for 51 Medicare patients. Medicare paid $6,288 for them. Every service was in an office.
Riyan Buller's Medicare services by type, 2024
- Office and hospital visits75
- Other services20
Riyan Buller compared with the California median for family nurse practitioners, 2024
- Riyan Buller
- California median
- Medicare services
- 95vs 23459% below
- Medicare patients
- 51vs 9043% below
- Part D claims
- 307vs 36015% below
Medians across 6,382 family nurse practitioners in California with Dmand AI profiles that report each measure.
Riyan Buller's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Riyan Buller treated 51 Medicare patients in 2024, average age 74
CMS counts 51 Medicare patients who saw Riyan Buller in 2024. The largest group is 65 to 74, with 29 patients. 75% of them have high cholesterol, and 61% have high blood pressure. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Riyan Buller's median patient age at 66, with 73% women.
Riyan Buller's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Riyan Buller's Medicare patients by sex, 2024
- Women3365%
- Men1835%
Chronic conditions among Riyan Buller's Medicare patients, 2024
- High cholesterol75%
- High blood pressure61%
- Arthritis49%
- Mood disorders37%
- Depression33%
- Anxiety24%
- Osteoporosis24%
Share of Medicare patients with each condition. A patient can have several.
Riyan Buller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women73%
- Men27%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Riyan Buller wrote 660 Medicare Part D claims in 2024
In 2024, Riyan Buller wrote 660 Medicare Part D claims for 143 patients. 86% of them were for generic drugs. CMS names the drug for 307 of them, across 15 drugs with 11 or more claims each, at $53,822 in total drug cost.
Riyan Buller's Part D claims by kind of drug, 2024
- Generic565 claims86%
- Brand-name95 claims14%
Riyan Buller'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 Riyan Buller's Part D claims, 2024
- Antibiotics10%64 of 660 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
How Riyan Buller takes part in Medicare
Riyan Buller 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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Riyan Buller received $1,626 in industry payments from 2024 to 2025
CMS Open Payments shows 67 general payments to Riyan Buller from 22 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $410.
General payments to Riyan Buller by program year, 2024 to 2025
Companies that paid Riyan Buller 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 Riyan Buller'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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 Riyan Buller
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Riyan Buller's NPI number?
Riyan Buller's NPI number is 1033814017. It was assigned on March 31, 2023, and it is active in the NPI Registry.
What does Riyan Buller specialize in?
Riyan Buller is a family nurse practitioner in Chula Vista, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Riyan Buller practice?
Riyan Buller practices at 751 Medical Center Court, Chula Vista, CA 91911. Riyan Buller's primary practice is Sharp Chula Vista Medical Center in Chula Vista, California, part of Sharp HealthCare. Dmand AI also links Riyan Buller to 2 medical groups and 1 group practice or clinic.
What is Riyan Buller's office phone number?
The practice phone on file for Riyan Buller is (619) 502-5800.
What is Riyan Buller's medical license number?
Riyan Buller holds California license 95024624.
Which hospitals is Riyan Buller affiliated with?
Riyan Buller practices at Sharp Chula Vista Medical Center in Chula Vista, California.
What medical group is Riyan Buller part of?
Riyan Buller is linked to Perlman Clinic. Dmand AI links Riyan Buller to 2 more medical groups.
Does Riyan Buller accept Medicare?
Yes. CMS data shows Riyan Buller billed Medicare for 95 services in 2024, and Riyan Buller accepts Medicare assignment.
How many Medicare patients does Riyan Buller see?
CMS counts 51 Medicare patients who saw Riyan Buller in 2024, with an average age of 74.
What services does Riyan Buller bill to Medicare?
In 2024, Riyan Buller's most billed Medicare services were office visit, established patient (99214), medicare service (G2211) and office visit, established patient (99213).
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What drugs does Riyan Buller prescribe most?
In 2024 Medicare Part D data, Riyan Buller's most prescribed drugs by claims were Ozempic, Amlodipine Besylate and Atorvastatin Calcium.
Has Riyan Buller received payments from drug or device companies?
CMS Open Payments shows $1,626 in general payments to Riyan Buller from 22 companies from 2024 to 2025. The largest total came from Abbvie Inc.
How long has Riyan Buller been practicing?
Riyan Buller graduated from medical school in 2022, 4 years ago.
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