1. Home
  2. Directory
  3. California
  4. Chula Vista
  5. Family Medicine
  6. NPI Profile

RYAN RAHEE YOON MD
NPI 1942435144
Family Medicine in Chula Vista, CA

Active since May 18, 2009PECOS EnrolledAccepts Medicare Assignment
865 3RD AVE, SUITE 133, CHULA VISTA, CA 91911(619) 498-6200(619) 425-1184 Get Directions Write a Review

NPPES record last updated: February 27, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ryan Rahee Yoon Md NPPES

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

RYAN RAHEE YOON MD (NPI 1942435144) is an individual family medicine provider in Chula Vista, California, licensed in California (A114600) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2009).

NPPES Registry Identity

NPI1942435144
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameRYAN RAHEE YOONCredential: MD
Location Address865 3RD AVE, SUITE 133Chula Vista, CA 91911-1300
Mailing Address499 H StChula Vista, CA 91910-4307 · (619) 687-7587 · Fax (619) 691-7120
Phone(619) 498-6200
Fax(619) 425-1184
Sole ProprietorNo
Medical School CMSUniversity Of California, San Diego School Of MedicineGraduated 2009
Enumeration DateMay 18, 2009
Last NPPES UpdateFebruary 27, 2013
✔ NPI 1942435144 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A114600
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
865 3RD AVE, Chula Vista, CA 91911
Open in Google Maps ↗

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

Ryan Rahee Yoon 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 ID7911153903
PECOS Enrollment IDI20120807000471
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 5

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 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.
138 services54 patients
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 services33 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.
47 services46 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
40 services40 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.
15 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91911 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
$94.87 typical visit price
range $62.10 – $184.71
Typical copayment $23.71 (range $15.52 – $46.17)
Most-billed visit code 99203
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Referred Medical Equipment & Supplies CMS DME claims 2

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
2 suppliers14 claims14 services$14.84 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers14 claims14 services$62.95 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.

MRS. ROXANE M. SANTIAGO MD
Pediatrics
865 3RD AVE, SUITE 101
CHULA VISTA, CA 91911
San Diego County (619) 426-7910
DR. MIGUEL A CORDOBA MD
Pediatrics
865 3RD AVE, 101
CHULA VISTA, CA 91911
San Diego County (619) 426-7910
DR. AZAR HAMEDANINIA MD
Pediatrics
865 3RD AVE, #101
CHULA VISTA, CA 91911
San Diego County (619) 426-7910
BRIANA MEJIA MD
Student in an Organized Health Care Education/Training Program
865 3RD AVE, SUITE 133
CHULA VISTA, CA 91911
San Diego County (619) 662-4100
DR. SHAILA SERPAS MD
Family Medicine
865 3RD AVE, SUITE # 133
CHULA VISTA, CA 91911
San Diego County (619) 662-4100
MALACHI DE LEON-LOPEZ
Behavior Analyst
865 3RD AVE
CHULA VISTA, CA 91911
San Diego County (619) 383-0704
LESLIE HESSEL RAMOS
Behavior Technician
865 3RD AVE
CHULA VISTA, CA 91911
San Diego County (619) 830-4124
VIVENCIO BUNQUIN ABANTE DDS
Dentist (General Practice)
865 3RD AVE, STE. 120
CHULA VISTA, CA 91911
San Diego County (619) 426-1130

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 Ryan Yoon's NPI number?

The NPI number for Ryan Yoon is 1942435144. It was assigned to this individual provider in the NPPES registry on May 18, 2009.

Where is Ryan Yoon located?

Ryan Yoon practices at 865 3rd Ave Suite 133, Chula Vista, CA 91911. The listed phone number is (619) 498-6200.

What is Ryan Yoon's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Ryan Yoon enrolled in Medicare?

Yes. Ryan Yoon 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 Ryan Yoon was last updated on February 27, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.