AARON YU DO
NPI 1831686575
Internal Medicine in Citrus Heights, CA

Q: What is Aaron Yu's NPI number?

The NPI number for Aaron Yu is 1831686575. It was assigned to this individual provider in the NPPES registry on April 18, 2018.

Q: What is Aaron Yu's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Aaron Yu was last updated on October 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.

Active since April 18, 2018PECOS EnrolledAccepts Medicare Assignment

96.5/100

CMS Quality Rating

7115 GREENBACK LN, CITRUS HEIGHTS, CA 95621(916) 735-4596 Get Directions Write a Review

NPPES record last updated: October 4, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Oct 4, 2021, Sep 20, 2021, Sep 29, 2020 and 1 more (4 updates tracked since 2018).

On this page

About Aaron Yu Do NPPES

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

AARON YU DO (NPI 1831686575) is an individual internal medicine provider in Citrus Heights, California, licensed in California (18642) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and is a graduate of Arizona College Of Osteopathic Medicine Mid Western University (2018).

NPPES Registry Identity

NPI1831686575

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameAARON YUCredential: DO

Location Address7115 GREENBACK LNCitrus Heights, CA 95621

Mailing Address7115 Greenback LnCitrus Heights, CA 95621

Phone(916) 735-4596

Sole ProprietorNo

Medical School CMSArizona College Of Osteopathic Medicine Mid Western UniversityGraduated 2018

Enumeration DateApril 18, 2018

Last NPPES UpdateOctober 4, 20214 updates tracked since enumeration

NPPES CertifiedSeptember 20, 2021

✔ NPI 1831686575 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 · 18642

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.

7115 GREENBACK LN, Citrus Heights, CA 95621

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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 and accepts Medicare assignment

Aaron Yu Do 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 ID7719377456

PECOS Enrollment IDI20211210002490

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 Aaron Yu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Chw Medical Foundation

1.0 mi

Radiology, Mammography

6620 COYLE AVE, SUITE 107
Carmichael, CA 95608

Reassigned Medicare billing, California enrollment
Medicare enrollment name: Dignity Health Medical Foundation
1,191 clinicians in this Medicare group

NPI 1679503759 (916) 961-6946

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 16

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

604 services329 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

382 services252 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

98 services98 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

62 services61 patients

Influenza vaccine, inactivated 90653

The Influenza vaccine, inactivated, is a shot given to protect against the flu. It contains killed virus particles that help your body build immunity to the flu. It's recommended annually to keep your protection up-to-date. It's safe for ages 6 months and up.

49 services49 patients

Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 90677

The Pneumococcal Conjugate Vaccine (PCV20) is a shot given to protect against 20 types of bacteria that can cause serious infections like pneumonia and meningitis. It's administered through a muscle, usually in the arm. It's important for overall health.

31 services31 patients

Assessment of emotional or behavioral problems 96127

Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.

31 services30 patients

Administration of pneumococcal vaccine G0009

The pneumococcal vaccine helps protect against pneumococcal bacteria, which can cause severe infections like pneumonia and meningitis. The vaccine is given as an injection, typically in the arm. It's recommended for infants, older adults, and those with certain health conditions.

31 services31 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

30 services28 patients

Transitional care management services for problem of at least moderate complexity 99495

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

30 services26 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

28 services26 patients

Removal of impacted ear wax by washing 69209

Impacted ear wax removal by washing, also known as ear irrigation, involves using a pressurized flow of water to break up and dislodge the ear wax. This safe procedure helps restore normal hearing and relieve discomfort caused by the blockage.

24 services23 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

19 services11 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

17 services17 patients

Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit G0438

An annual wellness visit is a yearly appointment with your doctor to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's an opportunity to discuss your health status and goals and get a plan tailored for you.

17 services17 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95621 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

$137.20 typical visit price

range $60.44 – $180.85

Typical copayment $34.30 (range $15.11 – $45.21)

Most-billed visit code 99204

Established Patient

$105.95 typical visit price

range $19.88 – $148.15

Typical copayment $26.48 (range $4.97 – $37.03)

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.

96.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored through an Alternative Payment Model

Quality

80.34

Promoting Interoperability

100

Improvement Activities

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Hospital bed, semi-electric (head and foot adjustment), with any type side rails, with mattress E0260

DME-Hospital Beds · category DB000N

3 suppliers27 claims27 services$40.49 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

WEI KUANG PA-C

Physician Assistant

7115 GREENBACK LN, FL2
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 536-3620

MRS. CATHERINE J. STEPHENS NP

Nurse Practitioner

7115 GREENBACK LN, FL2
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 536-3620

MANLI HUANG NP

Nurse Practitioner (Family)

7115 GREENBACK LN, FL1
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 536-2442

ELISSA KU NP

Nurse Practitioner

7115 GREENBACK LN, FL 2
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 536-3620

DR. SHAUN RAFAEL D.O.

Psychiatry & Neurology (Psychiatry)

7115 GREENBACK LN, FL1
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 924-6400

MS. HEATHER ANN ROBRECHT KELLY ARNP

Nurse Practitioner (Acute Care)

7115 GREENBACK LN, FL 2
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 733-3460

SAMANTHA RUBY ALMA MCGILL LMFT

Marriage & Family Therapist

7115 GREENBACK LN, FL 1
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 924-6400

JAMES GRANT FAHEY PA-C

Physician Assistant

7115 GREENBACK LN, FL 2
CITRUS HEIGHTS, CA 95621

Sacramento County (916) 536-3620

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 Aaron Yu's NPI number?

The NPI number for Aaron Yu is 1831686575. It was assigned to this individual provider in the NPPES registry on April 18, 2018.

Where is Aaron Yu located?

Aaron Yu practices at 7115 Greenback Ln, Citrus Heights, CA 95621. The listed phone number is (916) 735-4596.

What is Aaron Yu's specialty?

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

Is Aaron Yu enrolled in Medicare?

Yes. Aaron 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 Aaron Yu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Yu reassigns Medicare benefits to Chw Medical Foundation (Carmichael, 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 Aaron 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 Aaron Yu was last updated on October 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.