DR. WONJAE E CHOI M.D.
NPI 1093766982
Anesthesiology in Sacramento, CA

Q: What is Wonjae Choi's NPI number?

The NPI number for Wonjae Choi is 1093766982. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Q: What is Wonjae Choi's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Wonjae Choi was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since May 15, 2006PECOS EnrolledAccepts Medicare Assignment

61.16/100

CMS Quality Rating

3939 J ST, SUITE 310, SACRAMENTO, CA 95819(916) 481-6800(916) 481-1881 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Wonjae E Choi M.d. NPPES

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

DR. WONJAE E CHOI M.D. (NPI 1093766982) is an individual anesthesiology provider in Sacramento, California, licensed in California (A82953) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (2001).

NPPES Registry Identity

NPI1093766982

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. WONJAE E CHOICredential: M.D.

Location Address3939 J ST, SUITE 310Sacramento, CA 95819-3631

Mailing AddressPo Box 660970Sacramento, CA 95866-0970 · (916) 481-6800 · Fax (916) 481-1881

Phone(916) 481-6800

Fax(916) 481-1881

Sole ProprietorNo

Medical School CMSLoma Linda University School Of MedicineGraduated 2001

Enumeration DateMay 15, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1093766982 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in CA · A82953

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

3939 J ST, Sacramento, CA 95819

Open in Google Maps ↗

Other Identifiers 3

Medicare UPINI45334CA

Medicare ID-Type UnspecifiedYYY20507YCA

MedicaidYYY20507YCA

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. Wonjae E Choi 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 ID3678592847

PECOS Enrollment IDI20051116000870

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

Cep America - Anesthesia PC

Same address

Anesthesiology

4001 J ST
Sacramento, CA 95819

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

NPI 1770014466 (916) 453-4545

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 11

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.

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

41 services21 patients

Anesthesia for procedure to assess heart electrical activity 00537

Anesthesia for a procedure to assess heart electrical activity helps ensure comfort and relaxation. It involves administering medication that either numbs a specific area or makes you sleep temporarily. This allows doctors to safely examine your heart's electrical signals without causing discomfort.

32 services32 patients

Insertion of artery tube for blood sampling or infusion through skin 36620

This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.

26 services25 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

24 services24 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

24 services24 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

24 services24 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

61.16/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

50.6

Improvement Activities

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.

T RAJAGOPAL MD INC

Surgery

3939 J ST, SUITE 340
SACRAMENTO, CA 95819

Sacramento County (916) 453-8806

RICHARD LEE BOWLING PA

Physician Assistant

3939 J ST, STE. 370
SACRAMENTO, CA 95819

Sacramento County (916) 453-2800

NORTHERN CALIFORNIA NEUROLOGICAL SURGEONS

Neurological Surgery

3939 J ST, SUITE 380
SACRAMENTO, CA 95819

Sacramento County (916) 453-0911

THIRU RAJAGOPAL M.D.

Surgery

3939 J ST, STE. 200
SACRAMENTO, CA 95819

Sacramento County (916) 453-8806

DR. JOEL ABRAHM PEARLMAN M.D., PH.D

Ophthalmology (Retina Specialist)

3939 J ST, SUITE 106
SACRAMENTO, CA 95819

Sacramento County (916) 454-6191

MR. ARUN CHANDRA KANT PATEL M.D.

Ophthalmology (Retina Specialist)

3939 J ST, SUITE 106
SACRAMENTO, CA 95819

Sacramento County (916) 454-6191

DR. ROBERT THOMAS WENDEL M.D.

Ophthalmology (Retina Specialist)

3939 J ST, SUITE 106
SACRAMENTO, CA 95819

Sacramento County (916) 454-6191

ARVIN ARTHUR MD INC.

Internal Medicine (Cardiovascular Disease)

3939 J ST, SUITE 300
SACRAMENTO, CA 95819

Sacramento County (916) 452-2011

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 Wonjae Choi's NPI number?

The NPI number for Wonjae Choi is 1093766982. It was assigned to this individual provider in the NPPES registry on May 15, 2006.

Where is Wonjae Choi located?

Wonjae Choi practices at 3939 J St Suite 310, Sacramento, CA 95819. The listed phone number is (916) 481-6800.

What is Wonjae Choi's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Wonjae Choi enrolled in Medicare?

Yes. Wonjae Choi 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 Wonjae Choi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Wonjae Choi reassigns Medicare benefits to Cep America - Anesthesia PC (Sacramento, 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 Wonjae Choi'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 Wonjae Choi was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.