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KATHERINE YU DO, MPH
NPI 1265568513
Internal Medicine in Oakland, CA

Active since February 23, 2007PECOS EnrolledAccepts Medicare Assignment
91.04/100
CMS Quality Rating
1411 E 31ST ST FL 2, OAKLAND, CA 94602(510) 437-5039(510) 535-7313 Get Directions Write a Review

NPPES record last updated: August 6, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 6, 2022, May 14, 2019 (2 updates tracked since 2019).

About Katherine Yu Do, Mph NPPES

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

KATHERINE YU DO, MPH (NPI 1265568513) is an individual internal medicine provider in Oakland, California, licensed in California (20A19977) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS, maintains a secondary practice location in Danville, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1265568513
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameKATHERINE YUCredential: DO, MPH
Location Address1411 E 31ST ST FL 2Oakland, CA 94602-1018
Mailing Address1411 E 31st St Fl 2Oakland, CA 94602-1018 · (510) 437-5039 · Fax (510) 535-7313
Phone(510) 437-5039
Fax(510) 535-7313
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 23, 2007
Last NPPES UpdateAugust 6, 20222 updates tracked since enumeration
NPPES CertifiedAugust 6, 2022
✔ NPI 1265568513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 20A19977
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1411 E 31ST ST FL 2, Oakland, CA 94602
Open in Google Maps ↗

Secondary Practice Location 1

Location 14163 Quail Run DrDanville, CA 94506-5844 · Phone (925) 818-7405

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Katherine Yu Do, Mph 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 ID5395993406
PECOS Enrollment IDI20221007000815
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 Katherine Yu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Alameda Health System
Same address
Surgery
1411 E 31ST STREET
Oakland, CA 94602
  • Reassigned Medicare billing, California enrollment
  • 900 clinicians in this Medicare group
NPI 1740332931 (510) 437-4800

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

Areas of Expertise CMS Part B claims 7

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.
60 services39 patients
Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
40 services40 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
20 services20 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
20 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
14 services11 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.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94602 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.04/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality82.13
Promoting Interoperability100
Improvement Activities40
Cost64.1

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.

MICHAEL UZOMA OHABUGHIRO MD
Internal Medicine
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039
SAHIL PATEL
Student in an Organized Health Care Education/Training Program
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039
KAVYA VOLETI
Internal Medicine (Critical Care Medicine)
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039
KACIE CLAIRE CUMMINGS MD
Student in an Organized Health Care Education/Training Program
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039
DR. ADAM LOUIS MORTIMER DO
Internal Medicine
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039
DIKSHYA JOSHI
Hospitalist
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039
GHITA BOUZARIF MD
Internal Medicine
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039
DR. EMILY JEAN QUINN MD
Student in an Organized Health Care Education/Training Program
1411 E 31ST ST FL 2
OAKLAND, CA 94602
Alameda County (510) 437-5039

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 Katherine Yu's NPI number?

The NPI number for Katherine Yu is 1265568513. It was assigned to this individual provider in the NPPES registry on February 23, 2007.

Where is Katherine Yu located?

Katherine Yu practices at 1411 E 31st St Fl 2, Oakland, CA 94602. The listed phone number is (510) 437-5039.

What is Katherine Yu's specialty?

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

Is Katherine Yu enrolled in Medicare?

Yes. Katherine Yu 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.

Which organization bills Medicare for Katherine Yu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Yu reassigns Medicare benefits to Alameda Health System (Oakland, 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 Katherine Yu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Katherine Yu was last updated on August 6, 2022. 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.