Are you Dr. Yoon? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 865 3Rd Ave, Suite 133, Chula Vista, CA 91911
About Dr. Yoon
Based in Chula Vista, CA, Ryan R. Yoon, MD is listed in the NPI registry under family medicine. Ryan graduated from University of California, San Diego School of Medicine in 2009. According to Medicare claims data, Ryan cared for 188 Medicare patients across 300 services. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes. NPI 1942435144 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (619) 498-6200
- Email not available
Practice Locations
865 3RD AVE SUITE 133
Chula Vista, CA 91911
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
- Acute bronchitis
- Asthma
- Sinus infection
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
Sexual & Reproductive Health
- STD Swabs and Screening
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
300 services · 188 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
138 | More often than most peers in Family Medicine |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
60 | As often as other peers in Family Medicine |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
47 | As often as other peers in Family Medicine |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
40 | As often as other peers in Family Medicine |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
15 | Less often than most peers in Family Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 6
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other family doctors in Chula Vista 8
Same specialty, same city.
Trained at University of California, San Diego School of Medicine 7
Other providers in the same specialty who trained at the same institution.
Class of 2009 at University of California, San Diego School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What does Dr. Yoon specialize in?
Dr. Yoon is a family doctor in Chula Vista, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Dr. Yoon located?
Dr. Yoon is listed at 865 3Rd Ave Suite 133, Chula Vista, CA 91911. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Yoon's phone number?
The number on file is (619) 498-6200. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Yoon's NPI number?
Dr. Yoon's National Provider Identifier is 1942435144. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Yoon go to medical school?
Dr. Yoon attended University of California, San Diego School of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Yoon been practicing?
Dr. Yoon has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Yoon do most often?
According to Medicare billing data, Dr. Yoon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Yoon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Yoon. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.