John Joseph Ray, PA-C
- Part D claims, 2024
- 153
- Hospital affiliations
- 1
- Industry payments
- $2,976
- Medical groups
- 2
- State license
- 1
- Practice address
- 6041 Cadillac Ave, Los Angeles, CA 90034
- Practice phone
- Call (213) 857-2201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find John Ray'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.
John Joseph Ray is a physician assistant in Los Angeles, California
John Ray practices at West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
John Ray's NPI, 1619042447, was assigned on November 21, 2006. John Ray holds California license PA 18709.
- NPI
- 1619042447NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3971606633
- NPI enumeration date
- November 21, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (213) 857-2201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
John Joseph Ray practices at West Los Angeles Medical Center in Los Angeles, California
John Ray's primary practice is West Los Angeles Medical Center, at 6041 Cadillac Ave, Los Angeles, CA 90034 in Los Angeles County. The practice phone is (213) 857-2201.
- West Los Angeles Medical Center6041 Cadillac Ave, Los Angeles, CA 90034 · Los Angeles CountyPhone(213) 857-2201
Source: Dmand AI Affiliation Data
John Joseph Ray is affiliated with 4 sites of care and 2 medical groups
John Ray's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. The medical group on file is UCLA Health. Dmand AI also links John Ray to 2 more group practices and clinics, 1 dialysis center 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 John Joseph Ray's practice
Dmand AI tracks the electronic health record (EHR) system at each site where John Ray practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| West Los Angeles Medical Center | Available with a free account |
| +3 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
John Joseph Ray is one of 11,482 physician assistants in California
Physician assistant is John Ray's primary specialty in the NPI Registry, under taxonomy code 363A00000X. John Ray is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). John Ray is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near John Ray
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
John Joseph Ray's patients have a median age of 61
Across all payers, Dmand AI patient panel data puts John Ray's median patient age at 61, with 55% women.
John Ray's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 61
Patient panel by sex, all payers
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
John Joseph Ray wrote 153 Medicare Part D claims in 2024
In 2024, John Ray wrote 153 Medicare Part D claims for 87 patients. 90% of them were for generic drugs. CMS names the drug for 29 of them, across 2 drugs with 11 or more claims each, at $274 in total drug cost.
John Ray's Part D claims by kind of drug, 2024
- Generic137 claims90%
- Brand-name16 claims10%
John Ray'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.
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 John Joseph Ray takes part in Medicare
John Ray 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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John Joseph Ray received $2,976 in industry payments in 2024
CMS Open Payments shows 15 general payments to John Ray from 1 drug or device company in 2024. Travel and lodging make up the largest share, 91% of the total. Intuitive Surgical, Inc. paid the most, $2,976.
General payments to John Ray by kind, 2024 to 2024
- Travel and lodging$2,70591%
- Food and beverage$2719%
Companies that paid John Ray the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
John Joseph Ray is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for John Joseph Ray'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 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) |
| 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 John Joseph Ray
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is John Joseph Ray's NPI number?
John Joseph Ray's NPI number is 1619042447. It was assigned on November 21, 2006, and it is active in the NPI Registry.
What does John Joseph Ray specialize in?
John Joseph Ray is a physician assistant in Los Angeles, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does John Joseph Ray practice?
John Ray practices at 6041 Cadillac Ave, Los Angeles, CA 90034. John Ray's primary practice is West Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dmand AI also links John Ray to 2 group practices and clinics, 1 dialysis center and 1 medical group.
What is John Joseph Ray's office phone number?
The practice phone on file for John Ray is (213) 857-2201.
What is John Joseph Ray's medical license number?
John Ray holds California license PA 18709.
Which hospitals is John Joseph Ray affiliated with?
John Ray practices at West Los Angeles Medical Center in Los Angeles, California.
What medical group is John Joseph Ray part of?
John Ray is linked to UCLA Health. Dmand AI links John Ray to 1 more medical group.
Does John Joseph Ray accept Medicare?
Yes. CMS lists John Ray as accepting Medicare assignment.
Is John Joseph Ray board certified?
Yes. John Ray is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does John Joseph Ray prescribe most?
In 2024 Medicare Part D data, John Ray's most prescribed drugs by claims were Omeprazole and Gabapentin.
Has John Joseph Ray received payments from drug or device companies?
CMS Open Payments shows $2,976 in general payments to John Ray from 1 company from 2024 to 2024. The largest total came from Intuitive Surgical, Inc.
How long has John Joseph Ray been practicing?
John Ray graduated from medical school in 2006, 20 years ago.
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