Cognition DisordersGenotypeHomozygote
Dr. Raymond M. Stephens, MD
NPI1629036140PAC ID3779580089
- Medicare services, 2024
- 136
- Medicare patients, 2024
- 52
- Part D claims, 2018
- 585
- Publications
- 3
- Clinical trials
- 1
- Practice address
- 901 Nevin Ave, Richmond, CA 94801
- Practice phone
- Call (510) 307-1555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Richmond Medical Center
Richmond, California
Find Dr. Stephens' 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. Raymond M. Stephens is a neurologist in Richmond, California
Dr. Stephens practices at Richmond Medical Center in Richmond, California.
Dr. Stephens' NPI, 1629036140, was assigned on May 3, 2006. Dr. Stephens graduated from UC San Diego School of Medicine in 1978. Dr. Stephens' California license number on file is G40939.
NPI and contact details
- NPI
- 1629036140NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3779580089
- NPI enumeration date
- May 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 307-1555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Raymond M. Stephens practices at Richmond Medical Center in Richmond, California
Dr. Stephens' primary practice is Richmond Medical Center, at 901 Nevin Ave, Richmond, CA 94801 in Contra Costa County. The practice phone is (510) 307-1555.
- Richmond Medical Center901 Nevin Ave, Richmond, CA 94801 · Contra Costa CountyPhone(510) 307-1555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Raymond M. Stephens is affiliated with 3 sites of care and 2 medical groups
Dr. Stephens' primary practice is Richmond Medical Center in Richmond, California. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Stephens to 2 more group practices and clinics and 1 medical group, each named with a free account.
Richmond Medical CenterPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Raymond M. Stephens' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stephens practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Richmond Medical Center | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Raymond M. Stephens is one of 2,207 neurologists in California
Neurology is Dr. Stephens' primary specialty in the NPI Registry, under taxonomy code 2084N0400X. Dr. Stephens is board certified in neurology by the American Board of Psychiatry and Neurology. Dr. Stephens has a license on file in California.
Specialties and state licenses
- Neurology, CaliforniaPrimary
Neurologists near Dr. Stephens
Counts of neurologists 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. Raymond M. Stephens billed Medicare for 136 services in 2024
CMS data shows 136 Medicare services from Dr. Stephens across 3 procedure codes in 2024, for 52 Medicare patients. Medicare paid $15,605 for them. Every service was in an office.
Medicare services, 2024136
Medicare patients52
Paid by Medicare$15,605
Procedure codes3
Dr. Stephens' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 1222024: 13611%
Dr. Stephens compared with the California median for neurologists, 2024
- Dr. Stephens
- California median
- Medicare services
- 136vs 40466% below
- Medicare patients
- 52vs 19073% below
- Part D claims
- 585vs 32481% above
Medians across 1,995 neurologists in California with Dmand AI profiles that report each measure.
Dr. Stephens' 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.
Need commercial claims for Dr. Stephens?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stephens and other neurologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Raymond M. Stephens treated 52 Medicare patients in 2024, average age 75
CMS counts 52 Medicare patients who saw Dr. Stephens in 2024. The largest group is 75 to 84, with 29 patients. 75% of them have high cholesterol, and 67% have arthritis. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stephens' median patient age at 67, with 61% women.
Medicare patients, 202452
Average age75
Average risk score1.11
Dr. Stephens' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stephens' Medicare patients by sex, 2024
- Women2854%
- Men2446%
Chronic conditions among Dr. Stephens' Medicare patients, 2024
- High cholesterol75%
- Arthritis67%
- High blood pressure62%
- Osteoporosis23%
- Mood disorders21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stephens' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women61%
- Men37%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Raymond M. Stephens wrote 585 Medicare Part D claims in 2018
In 2018, Dr. Stephens wrote 585 Medicare Part D claims. They cover 25 drugs, with $403,535 in total drug cost. In 2017, CMS named 1,389 claims across 43 drugs.
Part D claims, 2018585
Drugs named by CMS25
Total drug cost$403,535
Dr. Stephens' most prescribed drugs by claims, 2018
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2017 to 2018
- 2017
- 2018
- Claims for drugs CMS names
- 2017: 1,3892018: 58558%
Drugs named by CMS: 25 in 2018, 43 in 2017.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Raymond M. Stephens takes part in Medicare
Dr. Stephens 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. Raymond M. Stephens has 3 publications on record
Dmand AI links 3 papers to Dr. Stephens in 2007. Dr. Stephens' most frequent co-author is Manley W. Kilgore, MD.
Papers3
Dr. Stephens' most frequent co-authors
Recent publications by Dr. Stephens
J Antibiot (Tokyo)
Anti-Bacterial AgentsBacteriaClarithromycin
Clin Electroencephalogr
CarbidopaDrug Therapy, CombinationElectroencephalography
See who Dr. Stephens researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Stephens works with, so you can find a warm path to the right neurologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Raymond M. Stephens has worked on 1 clinical trial
Dmand AI links Dr. Stephens to 1 clinical trial. Conditions studied include Ischemic Stroke and Stroke.
Conditions in Dr. Stephens' trials
- Ischemic Stroke
- Stroke
Investigators on the most trials with Dr. Stephens
- Wayne Marston Clark, MD1 shared trial
- Sebastian Koch, MD1 shared trial
- James M. Leaming, MD1 shared trial
Recent clinical trials with Dr. Stephens
Albumin in Acute Ischemic Stroke Trial (opens in a new tab)
TerminatedPhase 3
Ischemic StrokeStrokeAlbuminSaline
Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)
Dr. Raymond M. Stephens received $521 in industry payments from 2016 to 2025
CMS Open Payments shows 23 general payments to Dr. Stephens from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $125.
General payments to Dr. Stephens by program year, 2016 to 2025
Companies that paid Dr. Stephens the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Raymond M. Stephens has 4 awards and honors on record
Dmand AI lists 4 awards for Dr. Stephens, most recently Regional Top Doctor in 2014.
Awards and honors for Dr. Stephens
- 2014
- Regional Top Doctor
- 2013
- CMS Stage 1 EHR
- Undated
- Checkbook Top Doc
- Super Doc
Source: Dmand AI Professional Profile Data
Dr. Raymond M. Stephens graduated from UC San Diego School of Medicine
Dr. Stephens graduated from UC San Diego School of Medicine in 1978.
- Medical school
- Board certified in neurology
- Board certified in vascular neurology
Source: Dmand AI Professional Profile Data
Dr. Raymond M. Stephens accepts plans from 9 insurance carriers
Dr. Stephens is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Alliant Health Plans
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
- Delta Dental
- Elevance
- +1 more carriersWith a free account
Plan types Dr. Stephens accepts, by number of carriers
- HMO5
- PPO4
- Medicare3
- POS3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. Raymond M. Stephens'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Clinical trials and co-investigators | Dmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. Raymond M. Stephens
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. Raymond M. Stephens' NPI number?
Dr. Raymond M. Stephens' NPI number is 1629036140. It was assigned on May 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Raymond M. Stephens?
Dr. Raymond M. Stephens is a neurologist in Richmond, California. The primary specialty in the NPI Registry is Neurology Physician (taxonomy code 2084N0400X).
Where does Dr. Raymond M. Stephens practice?
Dr. Stephens practices at 901 Nevin Ave, Richmond, CA 94801. Dr. Stephens' primary practice is Richmond Medical Center in Richmond, California. Dmand AI also links Dr. Stephens to 2 group practices and clinics and 1 medical group.
What is Dr. Raymond M. Stephens' office phone number?
The practice phone on file for Dr. Stephens is (510) 307-1555.
What is Dr. Raymond M. Stephens' medical license number?
Dr. Stephens' California license number on file is G40939.
What medical group is Dr. Raymond M. Stephens part of?
Dr. Stephens is linked to The Permanente Medical Group, Inc. Dmand AI links Dr. Stephens to 1 more medical group.
Does Dr. Raymond M. Stephens accept Medicare?
Yes. CMS data shows Dr. Stephens billed Medicare for 136 services in 2024, and Dr. Stephens accepts Medicare assignment.
How many Medicare patients does Dr. Raymond M. Stephens see?
CMS counts 52 Medicare patients who saw Dr. Stephens in 2024, with an average age of 75.
Is Dr. Raymond M. Stephens board certified?
Yes. Dr. Stephens is board certified in neurology by the American Board of Psychiatry and Neurology.
What services does Dr. Raymond M. Stephens bill to Medicare?
In 2024, Dr. Stephens' most billed Medicare services were nerve and brain test (95886), nerve and brain test (95909) and nerve and brain test (95910).
Show 7 more questionsShow fewer questions
Where did Dr. Raymond M. Stephens go to medical school?
Dr. Stephens graduated from UC San Diego School of Medicine in 1978.
What drugs does Dr. Raymond M. Stephens prescribe most?
In 2018 Medicare Part D data, Dr. Stephens' most prescribed drugs by claims were Carbidopa-Levodopa, Donepezil HCl and Gabapentin.
Has Dr. Raymond M. Stephens received payments from drug or device companies?
CMS Open Payments shows $521 in general payments to Dr. Stephens from 16 companies from 2016 to 2025. The largest total came from Stryker Corporation.
How long has Dr. Raymond M. Stephens been practicing?
Dr. Stephens graduated from medical school in 1978, 48 years ago.
Does Dr. Raymond M. Stephens do research?
Dmand AI links 3 publications to Dr. Stephens. Dr. Stephens has worked on 1 clinical trial.
Who does Dr. Raymond M. Stephens publish with?
Dr. Stephens' most frequent co-authors are Manley W. Kilgore, MD (1 shared paper).
What insurance does Dr. Raymond M. Stephens accept?
Dr. Stephens is in network with 9 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 5. Check the plan with the practice before a visit.
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