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JENNIFER DA HYUN YOO DO
NPI 1275235236
Internal Medicine in Milpitas, CA

Active since March 21, 2023PECOS Enrolled
770 E CALAVERAS BLVD # CA, MILPITAS, CA 95035(408) 945-2900 Get Directions Write a Review

NPPES record last updated: July 26, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 26, 2026, Apr 19, 2024, Mar 21, 2023 (3 updates tracked since 2023).

About Jennifer Da Hyun Yoo Do NPPES

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

JENNIFER DA HYUN YOO DO (NPI 1275235236) is an individual internal medicine provider in Milpitas, California, licensed in California (20A25248) and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS, is affiliated with Legacy Emanuel Medical Center, and is a graduate of College Of Osteo Med Of The Pacific At Pomona (2023).

NPPES Registry Identity

NPI1275235236
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJENNIFER DA HYUN YOOCredential: DO
Location Address770 E CALAVERAS BLVD # CAMilpitas, CA 95035-5491
Mailing Address770 E Calaveras BlvdMilpitas, CA 95035-5491
Phone(408) 945-2900
Sole ProprietorNo
Medical School CMSCollege Of Osteo Med Of The Pacific At PomonaGraduated 2023
Enumeration DateMarch 21, 2023
Last NPPES UpdateJuly 26, 20263 updates tracked since enumeration
NPPES CertifiedJuly 26, 2026
✔ NPI 1275235236 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A25248
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
770 E CALAVERAS BLVD # CA, Milpitas, CA 95035
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jennifer Da Hyun Yoo Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2860858461
PECOS Enrollment IDI20260824001750
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.

Medicare Billing Reassignment

Medicare enrollment records show Jennifer Yoo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc
8.8 mi
Internal Medicine
710 LAWRENCE EXPRESSWAY
Santa Clara, CA 95051
  • Reassigned Medicare billing, California enrollment
  • 20,078 clinicians in this Medicare group
NPI 1073606299 (408) 851-1000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Legacy Emanuel Medical Center

Acute Care Hospitals · Portland, OR
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number380007
Location2801 N Gantenbein AvenuePortland, OR 97227 · Multnomah County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95035 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

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 Jennifer Yoo's NPI number?

The NPI number for Jennifer Yoo is 1275235236. It was assigned to this individual provider in the NPPES registry on March 21, 2023.

Where is Jennifer Yoo located?

Jennifer Yoo practices at 770 E Calaveras Blvd # Ca, Milpitas, CA 95035. The listed phone number is (408) 945-2900.

What is Jennifer Yoo's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jennifer Yoo enrolled in Medicare?

Yes. Jennifer Yoo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jennifer Yoo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Yoo reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Yoo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Jennifer Yoo affiliated with any hospitals?

According to CMS data, Jennifer Yoo is affiliated with Legacy Emanuel Medical Center.

When was this NPI record last updated?

The NPPES record for Jennifer Yoo was last updated on July 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.