Are you Katherine Yi, FNP? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 150 Paularino Ave Ste D182, Costa Mesa, CA 92626
About Katherine Yi
Listed in the NPI registry as a nurse practitioner — family, Katherine Yi, FNP practices in Costa Mesa, CA. Medicare claims data shows Katherine provided 1,068 services to 734 patients. The services billed most often include residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes, transitional care management services for problem of high complexity, and chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month. NPI 1154033371 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (949) 749-3425
- Email not available
Practice Locations
150 PAULARINO AVE STE D182
Costa Mesa, CA 92626
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Family 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
Allergy & skin
Blood disorders
Bone & joint
Dermatology
Digestive
Digestive health
Eye conditions
Heart health
Hormones & endocrine
Infections
Men's health
Mental health
Metabolic & weight
Nerve & joint
Nerve & spine
Neurological
Pain
Pain & spine
Pediatric infections
Respiratory
Skin
Sleep
Urinary health
Women's health
Procedures & services
Chronic condition care
Dermatology
Diagnostic screening
Evaluation & Testing
Hormones & endocrine
Injury care
Lab tests
- COVID-19 testing
- Cholesterol screening
- Hemoglobin A1c Test
- Rapid strep testing
- Thyroid Blood Test
- Urine Drug Screen
Mental health
Minor procedures
- Burn and Wound Care
- Superficial foreign-body removal
- Incision and drainage of an abscess
- Ingrown toenail removal
Minor surgery
Physical exams
Prescriptions
Preventative care
Preventative exams
Sexual health
Skin procedures
Sleep
Urgent care
Weight management
Women's health
- IUD insertion and removal
- Pregnancy Confirmation Test
- Birth control counseling
- Contraceptive implant insertion and removal
- Pap smear
- Well-woman exam
Most searched procedures
Allergies
Diagnostic tests
Ear, nose & throat
- Earwax removal
Heart health
- EKG
Injections
Lifestyle counseling
Neurological care
Occupational health
Pain management
Respiratory care
Screenings
Procedures Most Often Billed to Medicare
1,068 services · 734 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
430 | More than most peers in Nurse Practitioner, Family |
| Transitional care management services for problem of high complexity | Office visit | 99496 |
187 | More than most peers in Nurse Practitioner, Family |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
156 | More often than most peers in Nurse Practitioner, Family |
| Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes | Office visit | 99345 |
138 | More than most peers in Nurse Practitioner, Family |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
66 | As often as other peers in Nurse Practitioner, Family |
| Advance care planning, first 30 minutes | Office visit | 99497 |
35 | As often as other peers in Nurse Practitioner, Family |
| Transitional care management services for problem of at least moderate complexity | Office visit | 99495 |
31 | More often than most peers in Nurse Practitioner, Family |
| Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99344 |
25 | As often as other peers in Nurse Practitioner, Family |
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 nurse practitioners at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 6 related providers in 1 group
Common questions
What does Katherine Yi specialize in?
Katherine Yi is a nurse practitioner in Costa Mesa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where is Katherine Yi located?
Katherine Yi is listed at 150 Paularino Ave Ste D182, Costa Mesa, CA 92626. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Katherine Yi's phone number?
The number on file is (949) 749-3425. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Katherine Yi?
Katherine Yi's National Provider Identifier is 1154033371. 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
How much experience does Katherine Yi have?
Katherine Yi has 4+ years experience. Registered with an NPI since 2022. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Katherine Yi do most often?
According to Medicare billing data, Katherine Yi 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
Is Katherine Yi's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine Yi. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.