Dr. Thomas Ray Stephenson, MD
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 779
- Hospital affiliations
- 1
- Medical group
- 1
- Insurance carriers
- 2
- Practice address
- 2103 E Gonzales Rd, Oxnard, CA 93036
- Practice phone
- Call (805) 650-4700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Oxnard, California
Find Dr. Stephenson'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.
Dr. Thomas Ray Stephenson is a physiatrist in Oxnard, California
Dr. Stephenson practices at Southern California Permanente Medical Group in Oxnard, California.
Dr. Stephenson's NPI, 1780743419, was assigned on December 8, 2006. Dr. Stephenson graduated from Weill Cornell Medicine in 1997. Dr. Stephenson holds California license A75683.
- NPI
- 1780743419NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355330648
- NPI enumeration date
- December 8, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (805) 650-4700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Thomas Ray Stephenson practices at Southern California Permanente Medical Group in Oxnard, California
Dr. Stephenson's primary practice is Southern California Permanente Medical Group, at 2103 E Gonzales Rd, Oxnard, CA 93036 in Ventura County. The practice phone is (805) 650-4700.
- Southern California Permanente Medical Group2103 E Gonzales Rd, Oxnard, CA 93036 · Ventura CountyPhone(805) 650-4700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Thomas Ray Stephenson is affiliated with 2 sites of care and 1 medical group
Dr. Stephenson's primary practice is Southern California Permanente Medical Group in Oxnard, California. Dr. Stephenson is also affiliated with Kaiser Permanente Woodland Hills Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Thomas Ray Stephenson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephenson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Thomas Ray Stephenson is one of 1,234 physiatrists in California
Physical medicine and rehabilitation is Dr. Stephenson's primary specialty in the NPI Registry, under taxonomy code 208100000X. Dr. Stephenson is board certified in pain medicine by the American Board of Physical Medicine and Rehabilitation. Dmand AI has Dr. Stephenson's licenses on file in 3 states: California, Georgia and New York.
Specialties and state licenses
- Physical medicine and rehabilitation, CaliforniaPrimary
- Georgia license
- New York license
Clinical focus
Dmand AI lists lower back pain and neck pain and spine problems among the conditions Dr. Stephenson treats.
Physiatrists near Dr. Stephenson
Counts of physiatrists 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
Dr. Thomas Ray Stephenson treated 12 Medicare patients in 2024, average age 74
CMS counts 12 Medicare patients who saw Dr. Stephenson in 2024. Their average risk score is 0.67, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stephenson's median patient age at 66, with 60% women.
Dr. Stephenson'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
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Thomas Ray Stephenson wrote 779 Medicare Part D claims in 2024
In 2024, Dr. Stephenson wrote 779 Medicare Part D claims for 269 patients. 100% of them were for generic drugs. CMS names the drug for 751 of them, across 9 drugs with 11 or more claims each, at $7,323 in total drug cost. In 2023, CMS named 640 claims across 10 drugs.
Dr. Stephenson's Part D claims by kind of drug, 2024
- Generic778 claims100%
- Brand-name and other1 claims0%
Dr. Stephenson'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 Dr. Stephenson's Part D claims, 2024
- Opioids9%71 of 779 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 6402024: 75117%
Drugs named by CMS: 9 in 2024, 10 in 2023.
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 Dr. Thomas Ray Stephenson takes part in Medicare
Dr. Stephenson 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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Dr. Thomas Ray Stephenson graduated from Weill Cornell Medicine
Dr. Stephenson graduated from Weill Cornell Medicine in 1997.
- Medical school
- Board certified in pain medicine
- Board certified in physical medicine & rehabilitation
Source: Dmand AI Professional Profile Data
Dr. Thomas Ray Stephenson accepts plans from 2 insurance carriers
Dr. Stephenson is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Stephenson accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Thomas Ray Stephenson'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| 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) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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 Dr. Thomas Ray Stephenson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Thomas Ray Stephenson's NPI number?
Dr. Thomas Ray Stephenson's NPI number is 1780743419. It was assigned on December 8, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Thomas Ray Stephenson?
Dr. Thomas Ray Stephenson is a physiatrist in Oxnard, California. The primary specialty in the NPI Registry is Physical Medicine & Rehabilitation Physician (taxonomy code 208100000X).
Where does Dr. Thomas Ray Stephenson practice?
Dr. Stephenson practices at 2103 E Gonzales Rd, Oxnard, CA 93036. Dr. Stephenson's primary practice is Southern California Permanente Medical Group in Oxnard, California.
What is Dr. Thomas Ray Stephenson's office phone number?
The practice phone on file for Dr. Stephenson is (805) 650-4700.
What is Dr. Thomas Ray Stephenson's medical license number?
Dr. Stephenson holds California license A75683, one of the licenses on file in 3 states.
Which states has Dr. Thomas Ray Stephenson been licensed in?
Dmand AI has state licenses on file for Dr. Stephenson in California (2001 to 2027), Georgia (2005 to 2007) and New York (1999 to 2005).
Which hospitals is Dr. Thomas Ray Stephenson affiliated with?
Dr. Stephenson is affiliated with Kaiser Permanente Woodland Hills Medical Center.
What medical group is Dr. Thomas Ray Stephenson part of?
Dr. Stephenson is linked to Southern California Permanente Medical Group.
Does Dr. Thomas Ray Stephenson accept Medicare?
Yes. CMS lists Dr. Stephenson as accepting Medicare assignment.
How many Medicare patients does Dr. Thomas Ray Stephenson see?
CMS counts 12 Medicare patients who saw Dr. Stephenson in 2024, with an average age of 74.
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Is Dr. Thomas Ray Stephenson board certified?
Yes. Dr. Stephenson is board certified in pain medicine by the American Board of Physical Medicine and Rehabilitation.
Where did Dr. Thomas Ray Stephenson go to medical school?
Dr. Stephenson graduated from Weill Cornell Medicine in 1997.
What drugs does Dr. Thomas Ray Stephenson prescribe most?
In 2024 Medicare Part D data, Dr. Stephenson's most prescribed drugs by claims were Gabapentin, Pregabalin and Meloxicam.
How long has Dr. Thomas Ray Stephenson been practicing?
Dr. Stephenson graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Thomas Ray Stephenson accept?
Dr. Stephenson is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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