JUAN C. ASENJO MD
NPI 1609954486
Hospitalist in Oakland, CA

Active since November 01, 2006PECOS EnrolledAccepts Medicare Assignment
275 W MACARTHUR BLVD, OAKLAND, CA 94611(510) 752-1000 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Juan C. Asenjo Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JUAN C. ASENJO MD (NPI 1609954486) is an individual hospitalist provider in Oakland, California, licensed in California (A77526) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, Davis School Of Medicine (2000).

NPPES Registry Identity

NPI1609954486
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameJUAN C. ASENJOCredential: MD
Location Address275 W MACARTHUR BLVDOakland, CA 94611-5641
Mailing Address275 W Macarthur BlvdOakland, CA 94611-5641 · (510) 752-1000
Sole ProprietorNo
Medical School CMSUniversity Of California, Davis School Of MedicineGraduated 2000
Enumeration DateNovember 1, 2006
Last NPPES UpdateDecember 20, 2021
NPI 1609954486 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License Licensed in CA · A77526
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
275 W MACARTHUR BLVD, Oakland, CA 94611

Other Identifiers 1

Medicaid00A775260CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Juan C. Asenjo Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3870494412
PECOS Enrollment IDI20040116000665
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
56 services23 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
15 services15 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94611 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Specialist
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Radiology (Radiation Oncology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Radiology (Diagnostic Radiology)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Physical Therapist (Orthopedic)
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Student in an Organized Health Care Education/Training Program
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Obstetrics & Gynecology
275 W MACARTHUR BLVD
OAKLAND, CA 94611
Hospitalist
275 W MACARTHUR BLVD
OAKLAND, CA 94611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Juan Asenjo's NPI number?

The NPI number for Juan Asenjo is 1609954486. It was assigned to this individual provider in the NPPES registry on November 1, 2006.

Where is Juan Asenjo located?

Juan Asenjo practices at 275 W Macarthur Blvd, Oakland, CA 94611. The listed phone number is (510) 752-1000.

What is Juan Asenjo's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Juan Asenjo enrolled in Medicare?

Yes. Juan Asenjo is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Juan Asenjo was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.