1. Home
  2. Directory
  3. California
  4. Sacramento
  5. Emergency Medicine
  6. NPI Profile

JOSEPH ABRAHAM YOON
NPI 1649799016
Emergency Medicine in Sacramento, CA

Active since September 16, 2017PECOS Enrolled
4610 X ST, SACRAMENTO, CA 95817(916) 734-4027 Get Directions Write a Review

NPPES record last updated: August 3, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 3, 2024, Mar 17, 2018, Sep 16, 2017 (3 updates tracked since 2017).

About Joseph Abraham Yoon NPPES

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

JOSEPH ABRAHAM YOON (NPI 1649799016) is an individual emergency medicine provider in Sacramento, California, licensed in Texas (U4970) and active in the NPI registry since September 2017. He is enrolled in Medicare PECOS and maintains a secondary practice location in Sacramento.

NPPES Registry Identity

NPI1649799016
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameJOSEPH ABRAHAM YOON
Location Address4610 X STSacramento, CA 95817-2200
Mailing Address4610 X StSacramento, CA 95817-2200
Phone(916) 734-4027
Sole ProprietorNo
Enumeration DateSeptember 16, 2017
Last NPPES UpdateAugust 3, 20243 updates tracked since enumeration
NPPES CertifiedAugust 3, 2024
✔ NPI 1649799016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in TX · U4970✔ Licensed in CA · A183771
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
4610 X ST, Sacramento, CA 95817
Open in Google Maps ↗

Secondary Practice Location 1

Location 13036 53rd StSacramento, CA 95820-1663 · Phone (916) 805-7062

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Joseph Abraham Yoon is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Joseph Yoon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cep America - California
1.7 mi
Emergency Medicine
2825 CAPITOL AVENUE
Sacramento, CA 95816
  • Reassigned Medicare billing, California enrollment
  • 2,323 clinicians in this Medicare group
NPI 1306145404 (916) 733-3003
Integrative Emergency Services Physician Group PA
1,412 mi
Emergency Medicine
1500 S MAIN ST
Fort Worth, TX 76104
  • Reassigned Medicare billing, Texas enrollment
  • 328 clinicians in this Medicare group
NPI 1285922542 (817) 927-1100

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 4

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.

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.
196 services190 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
181 services175 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
50 services50 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
29 services29 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95817 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
$92.61 typical visit price
range $60.44 – $180.85
Typical copayment $23.15 (range $15.11 – $45.21)
Most-billed visit code 99203
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.

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.

LESLIE OLIVARES VALENCIA
Student in an Organized Health Care Education/Training Program
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (747) 253-6052
HECTOR LEONARDO SANCHEZ PEREZ MPH
Student in an Organized Health Care Education/Training Program
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (760) 899-0277
TIFFANY POLAR
Student in an Organized Health Care Education/Training Program
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (562) 230-9720
ALICIA CUEVAS
Student in an Organized Health Care Education/Training Program
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (831) 262-7838
ALFREDO LOPEZ AGUIRRE
Student in an Organized Health Care Education/Training Program
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (209) 481-1068
MR. MATTHEW JOSEPH LOPEZ MED STUDENT
Emergency Medicine
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (916) 762-7911
BINUI JARVIO
Specialist
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (650) 867-8073
ALEXA MORALES ARANA
Student in an Organized Health Care Education/Training Program
4610 X ST
SACRAMENTO, CA 95817
Sacramento County (209) 614-0178

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 Joseph Yoon's NPI number?

The NPI number for Joseph Yoon is 1649799016. It was assigned to this individual provider in the NPPES registry on September 16, 2017.

Where is Joseph Yoon located?

Joseph Yoon practices at 4610 X St, Sacramento, CA 95817. The listed phone number is (916) 734-4027.

What is Joseph Yoon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Joseph Yoon enrolled in Medicare?

Yes. Joseph Yoon is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Joseph Yoon's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Yoon reassigns Medicare benefits to 2 organizations: Cep America - California (Sacramento, CA) and Integrative Emergency Services Physician Group PA (Fort Worth, TX). Each 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 Joseph Yoon'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 Joseph Yoon was last updated on August 3, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.