DR. CHOO S LEE M.D.
NPI 1649271818
Specialist in Sonora, CA

Q: What is Choo Lee's NPI number?

The NPI number for Choo Lee is 1649271818. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Q: What is Choo Lee's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Choo Lee was last updated on July 31, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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 August 09, 2005PECOS EnrolledAccepts Medicare Assignment

79.22/100

CMS Quality Rating

680 GUZZI LN, SUITE 202, SONORA, CA 95370(209) 533-3955(209) 533-2168 Get Directions Write a Review

NPPES record last updated: July 31, 2012. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Choo S Lee M.d. NPPES

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

DR. CHOO S LEE M.D. (NPI 1649271818) is an individual specialist in Sonora, California, licensed in California (00A447320) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Other (1976).

NPPES Registry Identity

NPI1649271818

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. CHOO S LEECredential: M.D.

Location Address680 GUZZI LN, SUITE 202Sonora, CA 95370-5288

Mailing Address680 Guzzi Ln, Suite 202Sonora, CA 95370-5288 · (209) 533-3955 · Fax (209) 533-2168

Phone(209) 533-3955

Fax(209) 533-2168

Sole ProprietorYes

Medical School CMSOtherGraduated 1976

Enumeration DateAugust 9, 2005

Last NPPES UpdateJuly 31, 2012

✔ NPI 1649271818 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in CA · 00A447320

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

680 GUZZI LN, Sonora, CA 95370

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Other Identifiers 2

Medicare ID-Type Unspecified00A447320CA

Medicare UPINF06745CA

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. Choo S Lee 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 ID3971542630

PECOS Enrollment IDI20050502000950

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

Sonora Community Hospital

0.1 mi

General Acute Care Hospital

1000 GREENLEY RD
Sonora, CA 95370

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

NPI 1780673376 (209) 536-5000

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 17

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.

656 services350 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.

463 services234 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

247 services247 patients

Needle measurement of electrical activity in arm or leg muscles, complete study 95886

This procedure, known as an electromyography (EMG), involves inserting a small needle into your arm or leg muscles to measure their electrical activity. This complete study helps diagnose issues with nerves or muscles, providing valuable data for your treatment plan.

149 services87 patients

Assessment of and care planning for patient with impaired thought processing, typically 60 minutes 99483

This service involves a thorough evaluation of your thought processes, which may be impacting your daily life. In a typical 50-minute session, a healthcare professional will assess your cognitive abilities, identify any areas of concern, and develop a personalized care plan to help improve your mental function.

90 services88 patients

Needle measurement of electrical activity in trunk or head muscles 95887

This procedure, known as electromyography, involves inserting a fine needle into a muscle in your head or trunk to record its electrical activity. It helps identify problems related to muscles or nerves controlling these muscles. It's a safe, valuable tool for diagnosing various conditions.

69 services68 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

66 services65 patients

Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or G2212

This service refers to extended doctor visits where your healthcare provider spends additional time evaluating and managing your health beyond the primary procedure's required time. This includes each extra 15 minutes spent by the physician on the same day as the primary service.

64 services63 patients

Needle measurement of electrical activity in arm or leg muscles, limited study 95885

This procedure, known as an electromyography (EMG), involves placing tiny needles into your arm or leg muscles to measure their electrical activity. It's a limited study, meaning only specific muscles are tested. This helps identify any muscle or nerve dysfunction.

60 services52 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

60 services60 patients

Nerve conduction, 7-8 studies 95910

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps doctors identify nerve damage. In a 7-8 study procedure, 7-8 specific nerves are tested. You may feel a mild, brief tingling or shock during the test.

56 services56 patients

Measurement of brain wave activity (eeg), awake and drowsy 95816

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

36 services36 patients

Nerve conduction, 11-12 studies 95912

Nerve conduction studies are tests that measure how well your nerves are working. In 11-12 studies, small electrodes are placed on your skin to send and receive electrical signals. These signals show how quickly and effectively your nerves are transmitting signals, helping to identify any nerve damage or dysfunction.

35 services35 patients

Nerve conduction, 9-10 studies 95911

Nerve conduction studies involve sending small electrical shocks through the skin to measure how quickly nerves transmit signals. This helps detect nerve damage. 9-10 studies mean this process will be repeated on different nerves to gather comprehensive data.

27 services27 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.

26 services26 patients

Nerve conduction, 13 or more studies 95913

Nerve conduction studies involve 13 or more tests to check the speed and strength of signals traveling between your nerves and muscles. It helps diagnose conditions affecting nerves and muscles. The test involves small shocks and may cause minor discomfort.

23 services23 patients

Nerve conduction, 5-6 studies 95909

Nerve conduction studies involve testing the speed and strength of signals traveling through your nerves. This helps identify any nerve damage or dysfunction. For 5-6 studies, this means multiple nerves will be tested. Small electrodes are placed on your skin to send and receive signals, causing minimal discomfort.

17 services17 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.

79.22/100

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

Scored as part of a group practice

Quality

86.14

Promoting Interoperability

Improvement Activities

Cost

47.11

Other Providers at the Same Location NPPES 17

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

DR. EDWARD WILLIAM CLINITE D.O.

Family Medicine

680 GUZZI LN, SUITE 106
SONORA, CA 95370

Tuolumne County (209) 532-2792

SIERRA SPECIALTY CALL GROUP MEDICAL CORPORATION

Urology

680 GUZZI LN, SUITE 203
SONORA, CA 95370

Tuolumne County (209) 532-5244

DR. AIRELL LEIGHTON NYGAARD M.D.

Orthopaedic Surgery

680 GUZZI LN, SUITE 102
SONORA, CA 95370

Tuolumne County (209) 588-1800

TONY L LLOYD M.D., INC.

Family Medicine

680 GUZZI LN, STE 106
SONORA, CA 95370

Tuolumne County (209) 588-8840

MS. DEANNA FOSSEN NP

Nurse Practitioner (Family)

680 GUZZI LN, SUITE 105
SONORA, CA 95370

Tuolumne County (209) 532-0126

STEPHEN HOPKINS MD MEDICAL CORPORATION

Surgery

680 GUZZI LN, SUITE 103
SONORA, CA 95370

Tuolumne County (209) 532-5528

DR. EDEN LOWELL SMITH M.D.

Surgery

680 GUZZI LN, STE 201
SONORA, CA 95370

Tuolumne County (209) 536-1785

SONORA COMMUNITY HOSPITAL

Surgery (Vascular Surgery)

680 GUZZI LN, STE 104
SONORA, CA 95370

Tuolumne County (209) 536-5090

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 Choo Lee's NPI number?

The NPI number for Choo Lee is 1649271818. It was assigned to this individual provider in the NPPES registry on August 9, 2005.

Where is Choo Lee located?

Choo Lee practices at 680 Guzzi Ln Suite 202, Sonora, CA 95370. The listed phone number is (209) 533-3955.

What is Choo Lee's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Choo Lee enrolled in Medicare?

Yes. Choo Lee 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 Choo Lee's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Choo Lee reassigns Medicare benefits to Sonora Community Hospital (Sonora, 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 Choo Lee'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 Choo Lee was last updated on July 31, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.