Richard Harry Onysko, PA
- Part D claims, 2024
- 48
- Hospital affiliations
- 1
- Industry payments
- $1,100
- Medical group
- 1
- State license
- 1
- Practice address
- 100 W. California Blvd, Pasadena, CA 91105
- Practice phone
- Call (626) 397-2618
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Huntington Hospital - Unit
Acute Care Hospital-Unit · Pasadena, California
Find Richard Onysko'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.
Richard Harry Onysko is a physician assistant in Pasadena, California
Richard Onysko practices at Huntington Hospital - Unit in Pasadena, California.
Richard Onysko's NPI, 1679683239, was assigned on August 30, 2006. Richard Onysko holds California license PA11608.
- NPI
- 1679683239NPI Registry (opens in a new tab)
- NPI enumeration date
- August 30, 2006
- NPI status
- Active
- Practice phone
- (626) 397-2618
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Richard Harry Onysko practices at Huntington Hospital - Unit in Pasadena, California
Richard Onysko's primary practice is Huntington Hospital - Unit, at 100 W. California Blvd, Pasadena, CA 91105 in Los Angeles County. The practice phone is (626) 397-2618.
- Huntington Hospital - Unit100 W. California Blvd, Pasadena, CA 91105 · Los Angeles CountyPhone(626) 397-2618
Source: Dmand AI Affiliation Data
Richard Harry Onysko is affiliated with 2 sites of care and 1 medical group
Richard Onysko's primary practice is Huntington Hospital - Unit in Pasadena, California. The medical group on file is Southern California Heart Specialists. Dmand AI also links Richard Onysko to 1 more group practice or clinic, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Richard Harry Onysko's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Richard Onysko practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Huntington Hospital - Unit | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Richard Harry Onysko is one of 11,482 physician assistants in California
Physician assistant is Richard Onysko's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Richard Onysko is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Richard Onysko is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Richard Onysko
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
Richard Harry Onysko's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Richard Onysko's median patient age at 69, with 44% women.
Richard Onysko's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women44%
- Men44%
Source: Dmand AI Patient Panel Data
Richard Harry Onysko wrote 48 Medicare Part D claims in 2024
In 2024, Richard Onysko wrote 48 Medicare Part D claims for 16 patients. 90% of them were for generic drugs.
Richard Onysko's Part D claims by kind of drug, 2024
- Generic43 claims90%
- Brand-name and other5 claims10%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Richard Harry Onysko received $1,100 in industry payments from 2024 to 2025
CMS Open Payments shows 20 general payments to Richard Onysko from 11 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 82% of the total. Lexicon Pharmaceuticals, Inc. paid the most, $244.
General payments to Richard Onysko by program year, 2024 to 2025
General payments to Richard Onysko by kind, 2024 to 2025
- Food and beverage$90082%
- Consulting fees$20018%
Companies that paid Richard Onysko the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Richard Harry Onysko is board certified in certified physician assistant
Richard Onysko is a member of ACC.
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Richard Harry Onysko'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 (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Richard Harry Onysko
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Richard Harry Onysko's NPI number?
Richard Harry Onysko's NPI number is 1679683239. It was assigned on August 30, 2006, and it is active in the NPI Registry.
What does Richard Harry Onysko specialize in?
Richard Harry Onysko is a physician assistant in Pasadena, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Richard Harry Onysko practice?
Richard Onysko practices at 100 W. California Blvd, Pasadena, CA 91105. Richard Onysko's primary practice is Huntington Hospital - Unit in Pasadena, California. Dmand AI also links Richard Onysko to 1 group practice or clinic.
What is Richard Harry Onysko's office phone number?
The practice phone on file for Richard Onysko is (626) 397-2618.
What is Richard Harry Onysko's medical license number?
Richard Onysko holds California license PA11608.
What medical group is Richard Harry Onysko part of?
Richard Onysko is linked to Southern California Heart Specialists.
Is Richard Harry Onysko board certified?
Yes. Richard Onysko is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
Has Richard Harry Onysko received payments from drug or device companies?
CMS Open Payments shows $1,100 in general payments to Richard Onysko from 11 companies from 2024 to 2025. The largest total came from Lexicon Pharmaceuticals, Inc.
How long has Richard Harry Onysko been practicing?
Richard Onysko's NPI was assigned in 2006.
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