Dr. Juan C. Asenjo, MD
- Medicare services, 2024
- 84
- Medicare patients, 2024
- 49
- Part D claims, 2024
- 329
- Clinical trials
- 2
- Hospital affiliations
- 1
- 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. Asenjo'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. Juan C. Asenjo is a hospitalist in Oakland, California
Dr. Asenjo practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.
Dr. Asenjo's NPI, 1609954486, was assigned on November 1, 2006. Dr. Asenjo graduated from UC Davis School of Medicine in 2000. Dr. Asenjo's California license number on file is A77526.
- NPI
- 1609954486NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870494412
- NPI enumeration date
- November 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (510) 251-0121
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 52
- Medical school graduation
- 2000
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Juan C. Asenjo practices at Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California
Dr. Asenjo'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. Juan C. Asenjo is affiliated with 2 sites of care and 1 medical group
Dr. Asenjo's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California. Dr. Asenjo is also affiliated with Oakland Medical Center. The medical group on file is The Permanente Medical Group, Inc.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Juan C. Asenjo's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Asenjo practices, 2 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 |
| +1 more affiliated site | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Juan C. Asenjo is one of 3,186 hospitalists in California
Hospitalist is Dr. Asenjo's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Asenjo is board certified in internal medicine by the American Board of Internal Medicine. Dr. Asenjo has a license on file in California.
Specialties and state licenses
- Hospitalist, CaliforniaPrimary
Clinical focus
Dmand AI lists anemia, gastrointestinal inflammation, heart attack, sepsis, stroke and urinary tract infection among the conditions Dr. Asenjo treats.
Hospitalists near Dr. Asenjo
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. Juan C. Asenjo billed Medicare for 84 services in 2024
CMS data shows 84 Medicare services from Dr. Asenjo across 3 procedure codes in 2024, for 49 Medicare patients. Medicare paid $6,497 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Asenjo's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 472024: 8479%
Dr. Asenjo compared with the California median for hospitalists, 2024
- Dr. Asenjo
- California median
- Medicare services
- 84vs 43080% below
- Medicare patients
- 49vs 20176% below
- Part D claims
- 129vs 6987% above
Medians across 2,991 hospitalists in California with Dmand AI profiles that report each measure.
Dr. Asenjo'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. Asenjo?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Asenjo and other hospitalists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Juan C. Asenjo treated 49 Medicare patients in 2024, average age 72
CMS counts 49 Medicare patients who saw Dr. Asenjo in 2024. The largest group is 65 to 74, with 20 patients. 75% of them have high blood pressure, and 73% have high cholesterol. 67% are also on Medicaid. Their average risk score is 2.94, 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. Asenjo's median patient age at 67, with 54% women.
Dr. Asenjo's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Asenjo's Medicare patients by sex, 2024
- Women2347%
- Men2653%
Chronic conditions among Dr. Asenjo's Medicare patients, 2024
- High blood pressure75%
- High cholesterol73%
- Ischemic heart disease51%
- Heart failure49%
- Diabetes43%
- Chronic kidney disease41%
- Arthritis39%
- Atrial fibrillation37%
Share of Medicare patients with each condition. A patient can have several.
Dr. Asenjo's 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
- Women54%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Juan C. Asenjo wrote 329 Medicare Part D claims in 2024
In 2024, Dr. Asenjo wrote 329 Medicare Part D claims for 100 patients. 90% of them were for generic drugs. CMS names the drug for 129 of them, across 6 drugs with 11 or more claims each, at $1,827 in total drug cost. In 2023, CMS named 102 claims across 5 drugs.
Dr. Asenjo's Part D claims by kind of drug, 2024
- Generic296 claims90%
- Brand-name33 claims10%
Dr. Asenjo'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. Asenjo's Part D claims, 2024
- Antibiotics9%30 of 329 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: 1022024: 12926%
Drugs named by CMS: 6 in 2024, 5 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
Dr. Juan C. Asenjo offers telehealth to Medicare patients
Dr. Asenjo accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Asenjo as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Juan C. Asenjo has worked on 2 clinical trials
Dmand AI links Dr. Asenjo to 2 clinical trials, 2 of them phase 3 studies. Conditions studied include Pain, Postoperative, Prostatic Neoplasms and Postoperative Complications. McGill University Health Centre/Research Institute of the McGill University Health Centre sponsors the most, 2.
Conditions in Dr. Asenjo's trials
- Pain, Postoperative
- Prostatic Neoplasms
- Postoperative Complications
- Prostatic Diseases
Recent clinical trials with Dr. Asenjo
Defining the Best Approach to Block the Pain After Knee Surgery (opens in a new tab)
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Juan C. Asenjo graduated from UC Davis School of Medicine
Dr. Asenjo graduated from UC Davis School of Medicine in 2000.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Juan C. Asenjo accepts plans from 2 insurance carriers
Dr. Asenjo 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. Asenjo accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Juan C. Asenjo'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) |
| Clinical trials and co-investigators | ClinicalTrials.gov (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. Juan C. Asenjo
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. Juan C. Asenjo's NPI number?
Dr. Juan C. Asenjo's NPI number is 1609954486. It was assigned on November 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Juan C. Asenjo?
Dr. Juan C. Asenjo is a hospitalist in Oakland, California. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Juan C. Asenjo practice?
Dr. Asenjo practices at 380 West MacArthur Boulevard, Oakland, CA 94609. Dr. Asenjo's primary practice is Addiction Medicine & Recovery Services at Oakland Medical Center in Oakland, California.
What is Dr. Juan C. Asenjo's office phone number?
The practice phone on file for Dr. Asenjo is (510) 251-0121.
What is Dr. Juan C. Asenjo's medical license number?
Dr. Asenjo's California license number on file is A77526.
Which hospitals is Dr. Juan C. Asenjo affiliated with?
Dr. Asenjo is affiliated with Oakland Medical Center.
What medical group is Dr. Juan C. Asenjo part of?
Dr. Asenjo is linked to The Permanente Medical Group, Inc.
Does Dr. Juan C. Asenjo accept Medicare?
Yes. CMS data shows Dr. Asenjo billed Medicare for 84 services in 2024, and Dr. Asenjo accepts Medicare assignment.
Does Dr. Juan C. Asenjo offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Asenjo as offering telehealth services.
How many Medicare patients does Dr. Juan C. Asenjo see?
CMS counts 49 Medicare patients who saw Dr. Asenjo in 2024, with an average age of 72.
Show 7 more questionsShow fewer questions
Is Dr. Juan C. Asenjo board certified?
Yes. Dr. Asenjo is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Juan C. Asenjo bill to Medicare?
In 2024, Dr. Asenjo's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99238) and hospital inpatient care (99222).
Where did Dr. Juan C. Asenjo go to medical school?
Dr. Asenjo graduated from UC Davis School of Medicine in 2000.
What drugs does Dr. Juan C. Asenjo prescribe most?
In 2024 Medicare Part D data, Dr. Asenjo's most prescribed drugs by claims were Atorvastatin Calcium, Clopidogrel and Metoprolol Tartrate.
How long has Dr. Juan C. Asenjo been practicing?
Dr. Asenjo graduated from medical school in 2000, 26 years ago.
Does Dr. Juan C. Asenjo do research?
Dr. Asenjo has worked on 2 clinical trials.
What insurance does Dr. Juan C. Asenjo accept?
Dr. Asenjo 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.
Selling to hospitalist practices?
See hospitalists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card