DR. NAM KYOUNG CHO M.D., PH.D.
NPI 1669668323
Radiology - Radiation Oncology in Stanford, CA

Q: What is Nam Cho's NPI number?

The NPI number for Nam Cho is 1669668323. It was assigned to this individual provider in the NPPES registry on September 17, 2007.

Q: What is Nam Cho's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Q: When was this NPI record last updated?

The NPPES record for Nam Cho was last updated on September 17, 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 September 17, 2007PECOS EnrolledAccepts Medicare Assignment

80.58/100

CMS Quality Rating

875 BLAKE WILBUR DR, STANFORD, CA 94305(650) 723-6661(650) 725-8231 Get Directions Write a Review

NPPES record last updated: September 17, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Dr. Nam Kyoung Cho M.d., Ph.d. NPPES

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

DR. NAM KYOUNG CHO M.D., PH.D. (NPI 1669668323) is an individual radiation oncology provider in Stanford, California, licensed in California (A93093) and active in the NPI registry since September 2007. She is enrolled in Medicare PECOS and is a graduate of Stanford University School Of Medicine (2004).

NPPES Registry Identity

NPI1669668323

Entity TypeIndividualFemale

Primary Taxonomy2085R0001X

Provider Legal NameDR. NAM KYOUNG CHOCredential: M.D., PH.D.

Location Address875 BLAKE WILBUR DRStanford, CA 94305

Mailing Address875 Blake Wilbur DrStanford, CA 94305 · (650) 723-6661 · Fax (650) 725-8231

Phone(650) 723-6661

Fax(650) 725-8231

Sole ProprietorNo

Medical School CMSStanford University School Of MedicineGraduated 2004

Enumeration DateSeptember 17, 2007

✔ NPI 1669668323 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians

Taxonomy Code2085R0001X

License✔ Licensed in CA · A93093

Definition

A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.

875 BLAKE WILBUR DR, Stanford, CA 94305

Open in Google Maps ↗

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. Nam Kyoung Cho M.d., Ph.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 ID5799836367

PECOS Enrollment IDI20090623000184

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

County Of Santa Clara

2.0 mi

Mental Health (Including Community Mental Health Center)

231 GRANT AVENUE
Palo Alto, CA 94306

Reassigned Medicare billing, California enrollment
Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
2,460 clinicians in this Medicare group

NPI 1144330614 (650) 321-5545

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 3

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.

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.

18 services13 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.

14 services13 patients

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212

This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.

12 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94305 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

$206.04 typical visit price

range $70.37 – $206.04

Typical copayment $51.51 (range $17.59 – $51.51)

Most-billed visit code 99205

Established Patient

$86.56 typical visit price

range $23.96 – $169.60

Typical copayment $21.64 (range $5.99 – $42.40)

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.

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.

80.58/100

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

Scored as part of a group practice

Quality

67.43

Promoting Interoperability

100

Improvement Activities

Cost

46.5

Other Providers at the Same Location NPPES 10

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

LAURA LYNNE ASARO NP

Nurse Practitioner

875 BLAKE WILBUR DR, CLINIC D
STANFORD, CA 94305

Santa Clara County (650) 723-6197

MS. ANN JOHNSON P.A.-C.

Physician Assistant (Medical)

875 BLAKE WILBUR DR
STANFORD, CA 94305

Santa Clara County (650) 721-5448

KATHLEEN CLAIRE HORST M.D.

Radiology (Radiation Oncology)

875 BLAKE WILBUR DR, CC-G221A
STANFORD, CA 94305

Santa Clara County (650) 736-7715

DR. SCOTT GERARD SOLTYS MD

Radiology (Radiation Oncology)

875 BLAKE WILBUR DR
STANFORD, CA 94305

Santa Clara County (650) 724-1569

DR. BILLY W LOO MD, PHD

Radiology (Radiation Oncology)

875 BLAKE WILBUR DR, STANFORD RADIATION ONCOLOGY
STANFORD, CA 94305

Santa Clara County (650) 736-7143

AMREEN HUSAIN MD

Obstetrics & Gynecology

875 BLAKE WILBUR DR, STANFORD CANCER CENTER
STANFORD, CA 94305

Santa Clara County (408) 885-5000

DR. MICHAEL JAY KAPLAN M.D.

Otolaryngology

875 BLAKE WILBUR DR, CC-2225
STANFORD, CA 94305

Santa Clara County (650) 725-5968

HOWARD EUN LEE MD

Internal Medicine (Medical Oncology)

875 BLAKE WILBUR DR, RM CC2232 MC 6501
STANFORD, CA 94305

Santa Clara County (650) 498-6000

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 Nam Cho's NPI number?

The NPI number for Nam Cho is 1669668323. It was assigned to this individual provider in the NPPES registry on September 17, 2007.

Where is Nam Cho located?

Nam Cho practices at 875 Blake Wilbur Dr, Stanford, CA 94305. The listed phone number is (650) 723-6661.

What is Nam Cho's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

Is Nam Cho enrolled in Medicare?

Yes. Nam Cho 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 Nam Cho's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nam Cho reassigns Medicare benefits to County Of Santa Clara (Palo Alto, 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 Nam Cho'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 Nam Cho was last updated on September 17, 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.