Emergency Service, HospitalHeart FailureMeals
Dr. Jena Jefrie Joy, MD
NPI1992071229PAC ID1355578113
- Medicare services, 2024
- 14
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 114
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 380 West MacArthur Boulevard, Oakland, CA 94609
- Practice phone
- Call (510) 251-0121
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Addiction Medicine & Recovery Services at Oakland Medical Center
Outpatient Addiction Treatment · Oakland, California
Find Dr. Joy'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. Jena Jefrie Joy is a hospitalist in Oakland, California
Dr. Joy practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.
Dr. Joy's NPI, 1992071229, was assigned on March 30, 2012. Dr. Joy graduated from Saint Louis University School Of Medicine in 2011. Dr. Joy holds California license A123214.
NPI and contact details
- NPI
- 1992071229NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355578113
- NPI enumeration date
- March 30, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (510) 251-0121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jena Jefrie Joy practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California
Dr. Joy's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center, at 380 West MacArthur Boulevard, Oakland, CA 94609. The practice phone is (510) 251-0121.
- Addiction Medicine & Recovery Services at Oakland Medical Center380 West MacArthur Boulevard, Oakland, CA 94609Phone(510) 251-0121
Source: Dmand AI Affiliation Data
Dr. Jena Jefrie Joy is affiliated with 3 sites of care and 1 medical group
Dr. Joy's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Joy is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Dr. Joy to 1 more hospital, named with a free account.
Addiction Medicine & Recovery Services at Oakland Medical CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jena Jefrie Joy's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Joy practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Addiction Medicine & Recovery Services at Oakland Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jena Jefrie Joy is one of 3,186 hospitalists in California
Hospitalist is Dr. Joy's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Joy is board certified in internal medicine by the American Board of Internal Medicine. Dr. Joy is licensed in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Clinical focus
Dmand AI lists acute respiratory failure and sepsis among the conditions Dr. Joy treats.
Hospitalists near Dr. Joy
Counts of hospitalists 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. Jena Jefrie Joy billed Medicare for 14 services in 2024
CMS data shows 14 Medicare services from Dr. Joy across 1 procedure code in 2024, for 30 Medicare patients. Medicare paid $1,608 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 202414
Medicare patients30
Paid by Medicare$1,608
Procedure codes1
Dr. Joy compared with the California median for hospitalists, 2024
- Dr. Joy
- California median
- Medicare services
- 14vs 43097% below
- Medicare patients
- 30vs 20185% below
- Part D claims
- 23vs 6967% below
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Joy'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. Joy?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Joy and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jena Jefrie Joy treated 30 Medicare patients in 2024, average age 73
CMS counts 30 Medicare patients who saw Dr. Joy in 2024. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 2.36, 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. Joy's median patient age at 66, with 51% women.
Medicare patients, 202430
Average age73
Average risk score2.36
Dr. Joy's Medicare patients by sex, 2024
- Women1447%
- Men1653%
Chronic conditions among Dr. Joy's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease53%
- Diabetes50%
- Arthritis47%
- Alzheimer's and dementia37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Joy'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
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jena Jefrie Joy wrote 114 Medicare Part D claims in 2024
In 2024, Dr. Joy wrote 114 Medicare Part D claims for 45 patients. 90% of them were for generic drugs. CMS names the drug for 23 of them, across 2 drugs with 11 or more claims each, at $183 in total drug cost.
Part D claims, 2024114
Drugs named by CMS2
Total drug cost$183
Part D patients45
Dr. Joy's Part D claims by kind of drug, 2024
- Generic103 claims90%
- Brand-name and other11 claims10%
Dr. Joy'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. Joy's Part D claims, 2024
- Antibiotics18%21 of 114 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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. Jena Jefrie Joy takes part in Medicare
Dr. Joy 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. Jena Jefrie Joy has 1 publication on record
Dmand AI links 1 paper to Dr. Joy in 2022. Dr. Joy's most frequent co-authors are Alan S. Go, MD, Keane K. Lee, MD and Joan C. Lo, MD.
Papers1
Dr. Joy's most frequent co-authors
Recent publications by Dr. Joy
See who Dr. Joy researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Joy works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Jena Jefrie Joy graduated from Saint Louis University School Of Medicine
Dr. Joy graduated from Saint Louis University School Of Medicine in 2011.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Jena Jefrie Joy accepts plans from 15 insurance carriers
Dr. Joy is in network with 15 carriers, including United Healthcare, Kaiser Permanente and Aetna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- United Healthcare
- Kaiser Permanente
- Aetna
- Alliant Health Plans
- Elevance
- HCSC
- Baylor Scott and White
- Blue Cross and Blue Shield of Kansas City
- +7 more carriersWith a free account
Plan types Dr. Joy accepts, by number of carriers
- HMO9
- PPO7
- EPO3
- POS3
- Medicare2
Source: Dmand AI Insurance Network Data
Sources for Dr. Jena Jefrie Joy'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 |
| 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. Jena Jefrie Joy
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. Jena Jefrie Joy's NPI number?
Dr. Jena Jefrie Joy's NPI number is 1992071229. It was assigned on March 30, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Jena Jefrie Joy?
Dr. Jena Jefrie Joy is a hospitalist in Oakland, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Jena Jefrie Joy practice?
Dr. Joy practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Joy's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dmand AI also links Dr. Joy to 1 hospital.
What is Dr. Jena Jefrie Joy's office phone number?
The practice phone on file for Dr. Joy is (510) 251-0121.
What is Dr. Jena Jefrie Joy's medical license number?
Dr. Joy holds California license A123214.
Which hospitals is Dr. Jena Jefrie Joy affiliated with?
Dr. Joy is affiliated with Oakland Medical Center. Dmand AI links Dr. Joy to 1 more hospital.
What medical group is Dr. Jena Jefrie Joy part of?
Dr. Joy is linked to The Permanente Medical Group, Inc.
Does Dr. Jena Jefrie Joy accept Medicare?
Yes. CMS data shows Dr. Joy billed Medicare for 14 services in 2024, and Dr. Joy accepts Medicare assignment.
How many Medicare patients does Dr. Jena Jefrie Joy see?
CMS counts 30 Medicare patients who saw Dr. Joy in 2024, with an average age of 73.
Is Dr. Jena Jefrie Joy board certified?
Yes. Dr. Joy is board certified in internal medicine by the American Board of Internal Medicine.
Show 7 more questionsShow fewer questions
What services does Dr. Jena Jefrie Joy bill to Medicare?
In 2024, Dr. Joy's most billed Medicare services were hospital inpatient care (99222).
Where did Dr. Jena Jefrie Joy go to medical school?
Dr. Joy graduated from Saint Louis University School Of Medicine in 2011.
What drugs does Dr. Jena Jefrie Joy prescribe most?
In 2024 Medicare Part D data, Dr. Joy's most prescribed drugs by claims were Metoprolol Succinate and Furosemide.
How long has Dr. Jena Jefrie Joy been practicing?
Dr. Joy graduated from medical school in 2011, 15 years ago.
Does Dr. Jena Jefrie Joy do research?
Dmand AI links 1 publication to Dr. Joy.
Who does Dr. Jena Jefrie Joy publish with?
Dr. Joy's most frequent co-authors are Alan S. Go, MD (1 shared paper), Keane K. Lee, MD (1 shared paper) and Joan C. Lo, MD (1 shared paper).
What insurance does Dr. Jena Jefrie Joy accept?
Dr. Joy is in network with 15 carriers, including United Healthcare, Kaiser Permanente and Aetna. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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