DR. CHRISTOPHER E YI M.D.
NPI 1205192614
Surgery - Vascular Surgery in Santa Ana, CA

Q: What is Christopher Yi's NPI number?

The NPI number for Christopher Yi is 1205192614. It was assigned to this individual provider in the NPPES registry on April 10, 2012.

Q: What is Christopher Yi's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Christopher Yi was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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 10, 2012PECOS EnrolledAccepts Medicare Assignment

2500 REDHILL AVE STE 110, SANTA ANA, CA 92705(949) 229-2003(949) 998-2499 Get Directions Write a Review

NPPES record last updated: December 15, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 15, 2025, Sep 4, 2023, May 14, 2019 and 3 more (6 updates tracked since 2016).

On this page

About Dr. Christopher E Yi M.d. NPPES

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

DR. CHRISTOPHER E YI M.D. (NPI 1205192614) is an individual vascular surgery provider in Santa Ana, California, licensed in California (A120700) and active in the NPI registry since April 2012. He is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of R Franklin University Of Med & Sci/chicago Medical School (2010).

NPPES Registry Identity

NPI1205192614

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. CHRISTOPHER E YICredential: M.D.

Location Address2500 REDHILL AVE STE 110Santa Ana, CA 92705-5518

Mailing Address2500 Redhill Ave Ste 110Santa Ana, CA 92705-5518

Phone(949) 229-2003

Fax(949) 998-2499

Sole ProprietorNo

Medical School CMSR Franklin University Of Med & Sci/chicago Medical SchoolGraduated 2010

Enumeration DateApril 10, 2012

Last NPPES UpdateDecember 15, 20256 updates tracked since enumeration

NPPES CertifiedDecember 15, 2025

✔ NPI 1205192614 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in CA · A120700

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

Also ListedSurgeryTaxonomy 208600000X · License A120700 (CA)

2500 REDHILL AVE STE 110, Santa Ana, CA 92705

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Secondary Practice Locations 4

Location 118111 Brookhurst St Ste 6700Fountain Valley, CA 92708-6728 · Phone (949) 229-2003 · Fax (949) 998-2499

Location 213420 Newport Ave Ste ETustin, CA 92780-3745 · Phone (949) 229-2003 · Fax (949) 998-2499

Location 31325 N Rose Dr Ste 102Placentia, CA 92870-3800 · Phone (714) 273-5896

Location 43851 Katella Ave Ste 255Los Alamitos, CA 90720-3353 · Phone (949) 229-2003 · Fax (949) 998-2499

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

Dr. Christopher E Yi M.d. 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 ID6901032457

PECOS Enrollment IDI20131112000579

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

Christopher Yi MD A Professional Medical Corporation

Same address

Vascular Surgery

2500 REDHILL AVE STE 110
Santa Ana, CA 92705

Reassigned Medicare billing, California enrollment
3 clinicians in this Medicare group

NPI 1942086244 (949) 229-2003

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 20

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.

327 services114 patients

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.

262 services107 patients

Ultrasound study of one arm or leg veins with compression and maneuvers 93971

This is a non-invasive procedure using sound waves to visualize veins in an arm or leg. It involves applying gentle pressure and performing certain movements. It helps identify any abnormal blood flow or clots, ensuring vascular health.

181 services62 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.

136 services136 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.

123 services113 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.

91 services44 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

88 services86 patients

Injection of chemical agent into single incompetent vein of leg using ultrasound guidance 36465

This procedure involves injecting a chemical agent into a non-functioning vein in your leg. Ultrasound technology is used to accurately locate the vein. The chemical helps to close off the vein, rerouting blood flow to healthier veins.

78 services54 patients

Chemical destruction of first incompetent vein of arm or leg using imaging guidance 36482

This procedure involves using a chemical to close off a malfunctioning vein in your arm or leg. Imaging guidance is used to accurately locate the vein. This helps improve blood flow by rerouting it through healthier veins.

68 services43 patients

Destruction of first incompetent vein of arm or leg using radiofrequency and imaging guidance 36475

This procedure involves using radiofrequency energy, a type of heat energy, to close off an unhealthy vein in your arm or leg. Imaging guidance helps ensure precise targeting of the vein. This helps improve blood flow by rerouting it through healthier veins.

51 services38 patients

Use of a drug to induce depression of consciousness by physician performing a procedure, each additional 15 minutes 99153

This service involves a physician administering medication to lower your consciousness during a procedure. It's done for your comfort and safety. The drug's effects last about 15 minutes, so additional doses may be given as needed.

40 services12 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

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

27 services23 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

20 services17 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 99152

19 services17 patients

Review by radiologist of abdominal aorta image 75625

This is a procedure where a radiologist, a doctor specialized in medical imaging, examines an image of your abdominal aorta. The abdominal aorta is the large blood vessel that carries blood to your lower body. The radiologist checks for any abnormalities to ensure your overall vascular health.

18 services17 patients

Review by radiologist of abdominal aorta image 75625

16 services14 patients

Removal of plaque in arteries of leg 37225

This procedure, known as atherectomy, involves clearing out plaque buildup in the leg arteries. Plaque can restrict blood flow, causing discomfort and potential health issues. A special device is inserted into the artery to carefully remove the plaque, improving blood circulation.

14 services12 patients

Relocation of arm vein with connection to arm artery for hemodialysis 36821

This procedure involves moving a vein in your arm and connecting it to an artery. This creates a larger, stronger vein that can be used for hemodialysis, a treatment for kidney disease. It helps clean your blood when your kidneys can't.

13 services11 patients

Removal of plaque in artery of leg, initial vessel 37229

This procedure involves removing plaque from the initial vessel in your leg. Plaque, a build-up of fat, cholesterol, and other substances, can block blood flow. The removal process, known as an angioplasty, restores healthy blood circulation in your leg.

13 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92705 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

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

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTOPHER YI MD A PROFESSIONAL MEDICAL CORPORATION

Surgery (Vascular Surgery)

2500 REDHILL AVE STE 110
SANTA ANA, CA 92705

Orange County (949) 229-2003

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 Christopher Yi's NPI number?

The NPI number for Christopher Yi is 1205192614. It was assigned to this individual provider in the NPPES registry on April 10, 2012.

Where is Christopher Yi located?

Christopher Yi practices at 2500 Redhill Ave Ste 110, Santa Ana, CA 92705. The listed phone number is (949) 229-2003.

What is Christopher Yi's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Christopher Yi enrolled in Medicare?

Yes. Christopher Yi 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 Christopher Yi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Christopher Yi reassigns Medicare benefits to Christopher Yi MD A Professional Medical Corporation (Santa Ana, 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 Christopher Yi'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 Christopher Yi was last updated on December 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.