Dr. Robert Ray Jr., DO
- Medicare services, 2024
- 138
- Medicare patients, 2024
- 150
- Part D claims, 2024
- 56
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 2315 Stockton Boulevard, Sacramento, CA 95817
- Practice phone
- Call (916) 734-2011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. 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.
Dr. Robert Ray Jr. is an emergency medicine physician in Sacramento, California
Dr. Ray practices at UC Davis Medical Center in Sacramento, California, part of University of California Health.
Dr. Ray's NPI, 1881253813, was assigned on June 12, 2019. Dr. Ray graduated from Michigan State University College of Osteopathic Medicine in 2019. Dr. Ray holds Pennsylvania license OT019279.
- NPI
- 1881253813NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658606892
- NPI enumeration date
- June 12, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 734-2011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Robert Ray Jr. practices at UC Davis Medical Center in Sacramento, California
Dr. Ray's primary practice is UC Davis Medical Center, at 2315 Stockton Boulevard, Sacramento, CA 95817 in Sacramento County. The practice phone is (916) 734-2011.
- UC Davis Medical Center2315 Stockton Boulevard, Sacramento, CA 95817 · Sacramento CountyPhone(916) 734-2011
Source: Dmand AI Affiliation Data
Dr. Robert Ray Jr. is affiliated with 9 sites of care and 6 medical groups
Dr. Ray's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. Dr. Ray is also affiliated with Sutter Medical Center, Sacramento. The medical group on file is Vituity. Dmand AI also links Dr. Ray to 1 more hospital, 6 group practices and clinics and 5 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Robert Ray Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ray practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UC Davis Medical Center | Available with a free account |
| +8 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Robert Ray Jr. is one of 7,423 emergency medicine physicians in California
Emergency medicine is Dr. Ray's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Ray is licensed in Pennsylvania.
Specialties and state licenses
- Emergency medicine, PennsylvaniaPrimary
Emergency medicine physicians near Dr. Ray
Counts of emergency medicine physicians 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. Robert Ray Jr. billed Medicare for 138 services in 2024
CMS data shows 138 Medicare services from Dr. Ray across 5 procedure codes in 2024, for 150 Medicare patients. Medicare paid $12,561 for them.
Dr. Ray's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 622024: 138123%
Where Dr. Ray's Medicare services took place, 2024
- In an office5741%
- In a facility8159%
Dr. Ray compared with the California median for emergency medicine physicians, 2024
- Dr. Ray
- California median
- Medicare services
- 138vs 26548% below
- Medicare patients
- 150vs 24338% below
- Part D claims
- 11vs 6282% below
Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Ray'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.
Need commercial claims for Dr. Ray?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ray and other emergency medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Robert Ray Jr. treated 150 Medicare patients in 2024, average age 71
CMS counts 150 Medicare patients who saw Dr. Ray in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 46% are also on Medicaid. Their average risk score is 2.03, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Ray's median patient age at 40, with 53% women.
Dr. Ray's Medicare patients by age, 2024
Dr. Ray's Medicare patients by sex, 2024
- Women9664%
- Men5436%
Chronic conditions among Dr. Ray's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes44%
- Chronic kidney disease37%
- Mood disorders37%
- Anxiety33%
- Depression33%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 40
Patient panel by sex, all payers
- Women53%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Robert Ray Jr. wrote 56 Medicare Part D claims in 2024
In 2024, Dr. Ray wrote 56 Medicare Part D claims for 37 patients. 57% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $6,511 in total drug cost. In 2023, CMS named 14 claims across 1 drug.
Dr. Ray's Part D claims by kind of drug, 2024
- Generic32 claims57%
- Brand-name and other24 claims43%
Dr. 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.
Drug classes CMS tracks in Dr. Ray's Part D claims, 2024
- Antibiotics21%12 of 56 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: 142024: 1121%
Drugs named by CMS: 1 in 2024, 1 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. Robert Ray Jr. takes part in Medicare
Dr. 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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Dr. Robert Ray Jr. has 1 publication on record
Dmand AI links 1 paper to Dr. Ray in 2020. Dr. Ray's most frequent co-authors are Phillip Grenz and Andrew L. Koons.
Dr. Ray's most frequent co-authors
Recent publications by Dr. Ray
See who Dr. Ray researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ray works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Robert Ray Jr. received $85 in industry payments from 2019 to 2023
CMS Open Payments shows 6 general payments to Dr. Ray from 2 drug and device companies from 2019 to 2023. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $67.
General payments to Dr. Ray by program year, 2019 to 2023
Companies that paid Dr. Ray the most, 2019 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Robert Ray Jr. graduated from Michigan State University College of Osteopathic Medicine
Dr. Ray graduated from Michigan State University College of Osteopathic Medicine in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Robert Ray Jr.'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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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 Dr. Robert Ray Jr.
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. Robert Ray Jr.'s NPI number?
Dr. Robert Ray Jr.'s NPI number is 1881253813. It was assigned on June 12, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Robert Ray Jr.?
Dr. Robert Ray Jr. is an emergency medicine physician in Sacramento, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Robert Ray Jr. practice?
Dr. Ray practices at 2315 Stockton Boulevard, Sacramento, CA 95817. Dr. Ray's primary practice is UC Davis Medical Center in Sacramento, California, part of University of California Health. Dmand AI also links Dr. Ray to 1 hospital, 6 group practices and clinics and 5 medical groups.
What is Dr. Robert Ray Jr.'s office phone number?
The practice phone on file for Dr. Ray is (916) 734-2011.
What is Dr. Robert Ray Jr.'s medical license number?
Dr. Ray holds Pennsylvania license OT019279.
Which hospitals is Dr. Robert Ray Jr. affiliated with?
Dr. Ray practices at UC Davis Medical Center in Sacramento, California. Dr. Ray is also affiliated with Sutter Medical Center, Sacramento. Dmand AI links Dr. Ray to 1 more hospital.
What medical group is Dr. Robert Ray Jr. part of?
Dr. Ray is linked to Vituity. Dmand AI links Dr. Ray to 5 more medical groups.
Does Dr. Robert Ray Jr. accept Medicare?
Yes. CMS data shows Dr. Ray billed Medicare for 138 services in 2024, and Dr. Ray accepts Medicare assignment.
How many Medicare patients does Dr. Robert Ray Jr. see?
CMS counts 150 Medicare patients who saw Dr. Ray in 2024, with an average age of 71.
What services does Dr. Robert Ray Jr. bill to Medicare?
In 2024, Dr. Ray's most billed Medicare services were office visit, established patient (99213), emergency department visit (99285) and critical care (99291).
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Where did Dr. Robert Ray Jr. go to medical school?
Dr. Ray graduated from Michigan State University College of Osteopathic Medicine in 2019.
What drugs does Dr. Robert Ray Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Ray's most prescribed drugs by claims were Eliquis.
Has Dr. Robert Ray Jr. received payments from drug or device companies?
CMS Open Payments shows $85 in general payments to Dr. Ray from 2 companies from 2019 to 2023. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Dr. Robert Ray Jr. been practicing?
Dr. Ray graduated from medical school in 2019, 7 years ago.
Does Dr. Robert Ray Jr. do research?
Dmand AI links 1 publication to Dr. Ray.
Who does Dr. Robert Ray Jr. publish with?
Dr. Ray's most frequent co-authors are Phillip Grenz (1 shared paper) and Andrew L. Koons (1 shared paper).
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