DR. CHUK W. KWAN M.D.
NPI 1336101500
Internal Medicine in San Francisco, CA

Active since April 04, 2006PECOS EnrolledAccepts Medicare Assignment
929 CLAY ST, SUITE 600, SAN FRANCISCO, CA 94108(415) 398-5926(415) 398-6956 Get Directions Write a Review

NPPES record last updated: December 11, 2016. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Chuk W. Kwan M.d. NPPES

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

DR. CHUK W. KWAN M.D. (NPI 1336101500) is an individual internal medicine provider in San Francisco, California, licensed in California (G32238) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Francisco School Of Medicine (1975).

NPPES Registry Identity

NPI1336101500
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. CHUK W. KWANCredential: M.D.
Location Address929 CLAY ST, SUITE 600San Francisco, CA 94108-1556
Mailing Address929 Clay St, Suite 600San Francisco, CA 94108-1556 · (415) 398-5926 · Fax (415) 398-6956
Fax(415) 398-6956
Sole ProprietorYes
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 1975
Enumeration DateApril 4, 2006
Last NPPES UpdateDecember 11, 2016
NPI 1336101500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in CA · G32238
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License G32238 (CA)
929 CLAY ST, San Francisco, CA 94108

Other Identifiers 3

Medicare UPINA45069
Medicaid00G322380CA
Medicare ID-Type Unspecified00G322380

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Chuk W. Kwan 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 ID7911061007
PECOS Enrollment IDI20090204000663
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.

Areas of Expertise CMS Part B claims 7

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.
386 services179 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
327 services284 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
78 services78 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.
73 services45 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.
54 services54 patients
Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227
An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.
30 services30 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94108 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
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.

Reported Quality Measures

Age-Related Macular Degeneration (AMD): Counseling on Antioxidant Supplement
Percentage of patients aged 50 years and older with a diagnosis of age-related macular degeneration (AMD) or their caregiver(s) who were counseled within 12 months on the benefits and/or risks of the Age-Related Eye Disease Study (AREDS) formulation for…
35%31 patients2/55-star benchmark: 100%
Age-Related Macular Degeneration (AMD): Dilated Macular Examination
Percentage of patients aged 50 years and older with a diagnosis of age-related macular degeneration (AMD) who had a dilated macular examination performed which included documentation of the presence or absence of macular thickening or geographic atrophy or…
23%31 patients1/55-star benchmark: 100%
Breast Cancer Screening
Percentage of women 50-74 years of age who had a mammogram to screen for breast cancer
29%383 patients2/55-star benchmark: 96%
Care Plan
Percentage of patients aged 65 years and older who have an advance care plan or surrogate decision maker documented in the medical record that an advance care plan was discussed but the patient did not wish or was not able to name a surrogate decision maker…
17%1,401 patients1/55-star benchmark: 100%
Colorectal Cancer Screening
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
29%771 patients2/55-star benchmark: 99%
Coronary Artery Disease (CAD): Antiplatelet Therapy
Percentage of patients aged 18 years and older with a diagnosis of coronary artery disease (CAD) seen within a 12 month period who were prescribed aspirin or clopidogrel
62%426 patients1/55-star benchmark: 100%
Diabetes: Eye Exam
Percentage of patients 18-75 years of age with diabetes who had a retinal or dilated eye exam by an eye care professional during the measurement period or a negative retinal exam (no evidence of retinopathy) in the 12 months prior to the measurement period
27%244 patients1/55-star benchmark: 100%
Diabetes: Medical Attention for Nephropathy
The percentage of patients 18-75 years of age with diabetes who had a nephropathy screening test or evidence of nephropathy during the measurement period
70%244 patients3/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
Percentage of visits for patients aged 18 years and older for which the eligible professional or eligible clinician attests to documenting a list of current medications using all immediate resources available on the date of the encounter.
99%6,399 patients4/55-star benchmark: 100%
e-Prescribing
At least one permissible prescription written by the MIPS eligible clinician is queried for a drug formulary and transmitted electronically using certified EHR technology.
73%74 patients3/55-star benchmark: 100%
Falls: Risk Assessment
Percentage of patients aged 65 years and older with a history of falls that had a risk assessment for falls completed within 12 months
3%31 patients1/55-star benchmark: 100%
Health Information Exchange
The MIPS eligible clinician that transitions or refers their patient to another setting of care or health care clinician (1) uses CEHRT to create a summary of care record; and (2) electronically transmits such summary to a receiving health care clinician for…
96%28 patients4/55-star benchmark: 98%
Ischemic Vascular Disease (IVD): Use of Aspirin or Another Antiplatelet
Percentage of patients 18 years of age and older who were diagnosed with acute myocardial infarction (AMI), coronary artery bypass graft (CABG) or percutaneous coronary interventions (PCI) in the 12 months prior to the measurement period, or who had an active…
55%510 patients2/55-star benchmark: 100%
Medication Reconciliation
The MIPS eligible clinician performs medication reconciliation for at least one transition of care in which the patient is transitioned into the care of the MIPS eligible clinician.
100%2,817 patients5/55-star benchmark: 100%
Osteoarthritis (OA): Function and Pain Assessment
Percentage of patient visits for patients aged 21 years and older with a diagnosis of osteoarthritis (OA) with assessment for function and pain
1%371 patients1/55-star benchmark: 100%
Patient-Specific Education
The MIPS eligible clinician must use clinically relevant information from CEHRT to identify patient-specific educational resources and provide access to those materials to at least one unique patient seen by the MIPS eligible clinician.
18%1,842 patients1/55-star benchmark: 100%
Pneumococcal Vaccination Status for Older Adults
Percentage of patients 65 years of age and older who have ever received a pneumococcal vaccine
52%1,394 patients3/55-star benchmark: 95%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
74%1,748 patients3/55-star benchmark: 100%
Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention
Percentage of patients aged 18 years and older who were screened for tobacco use one or more times within 24 months AND who received tobacco cessation intervention if identified as a tobacco user
46%124 patients2/55-star benchmark: 100%
Preventive Care and Screening: Unhealthy Alcohol Use: Screening & Brief Counseling
Percentage of patients aged 18 years and older who were screened for unhealthy alcohol use using a systematic screening method at least once within the last 24 months AND who received brief counseling if identified as an unhealthy alcohol user
53%1,512 patients3/55-star benchmark: 100%
Primary Open-Angle Glaucoma (POAG): Optic Nerve Evaluation
Percentage of patients aged 18 years and older with a diagnosis of primary open-angle glaucoma (POAG) who have an optic nerve head evaluation during one or more office visits within 12 months
63%82 patients1/55-star benchmark: 100%
Provide Patient Access
At least one patient seen by the MIPS eligible clinician during the performance period is provided timely access to view online, download, and transmit to a third party their health information subject to the MIPS eligible clinician's discretion to withhold…
97%1,842 patients4/55-star benchmark: 100%
Quality of Life Assessment For Patients With Primary Headache Disorders
Percentage of patients with a diagnosis of primary headache disorder whose health related quality of life (HRQoL) was assessed with a tool(s) during at least two visits during the 12 month measurement period AND whose health related quality of life score…
24%25 patients1/55-star benchmark: 100%
Rheumatoid Arthritis (RA): Assessment and Classification of Disease Prognosis
Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have an assessment and classification of disease prognosis at least once within 12 months
50%22 patients2/55-star benchmark: 100%
Rheumatoid Arthritis (RA): Functional Status Assessment
Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) for whom a functional status assessment was performed at least once within 12 months
77%22 patients3/55-star benchmark: 100%
Rheumatoid Arthritis (RA): Glucocorticoid Management
Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have been assessed for glucocorticoid use and, for those on prolonged doses of prednisone >= 10 mg daily (or equivalent) with improvement or no change in disease…
50%22 patients2/55-star benchmark: 100%
Rheumatoid Arthritis (RA): Periodic Assessment of Disease Activity
Percentage of patients aged 18 years and older with a diagnosis of rheumatoid arthritis (RA) who have an assessment and classification of disease activity within 12 months
50%22 patients2/55-star benchmark: 100%
Screening for Osteoporosis for Women Aged 65-85 Years of Age
Percentage of female patients aged 65-85 years of age who ever had a central dual-energy X-ray absorptiometry (DXA) to check for osteoporosis
9%562 patients1/55-star benchmark: 97%
Secure Messaging
For at least one unique patient seen by the MIPS eligible clinician during the performance period, a secure message was sent using the electronic messaging function of CEHRT to the patient (or the patient-authorized representative), or in response to a secure…
0%1,842 patients1/55-star benchmark: 79%
Sleep Apnea: Assessment of Sleep Symptoms
Percentage of visits for patients aged 18 years and older with a diagnosis of obstructive sleep apnea that includes documentation of an assessment of sleep symptoms, including presence or absence of snoring and daytime sleepiness
2%115 patients1/55-star benchmark: 100%
Urinary Incontinence: Assessment of Presence or Absence of Urinary Incontinence in Women Aged 65 Years and Older
Percentage of female patients aged 65 years and older who were assessed for the presence or absence of urinary incontinence within 12 months
13%738 patients1/55-star benchmark: 100%
Urinary Incontinence: Plan of Care for Urinary Incontinence in Women Aged 65 Years and Older
Percentage of female patients aged 65 years and older with a diagnosis of urinary incontinence with a documented plan of care for urinary incontinence at least once within 12 months
4%56 patients
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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.

Urology
929 CLAY ST, SUITE 505
SAN FRANCISCO, CA 94108
Urology
929 CLAY ST, #505
SAN FRANCISCO, CA 94108
Urology
929 CLAY ST, SUITE 505
SAN FRANCISCO, CA 94108
Contractor
929 CLAY ST, SUITE 201
SAN FRANCISCO, CA 94108
Obstetrics & Gynecology
929 CLAY ST, 305
SAN FRANCISCO, CA 94108
Ophthalmology
929 CLAY ST, STE 405
SAN FRANCISCO, CA 94108
Obstetrics & Gynecology
929 CLAY ST, SUITE 305
SAN FRANCISCO, CA 94108
Otolaryngology
929 CLAY ST, SUITE 501
SAN FRANCISCO, CA 94108

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 Chuk Kwan's NPI number?

The NPI number for Chuk Kwan is 1336101500. It was assigned to this individual provider in the NPPES registry on April 4, 2006.

Where is Chuk Kwan located?

Chuk Kwan practices at 929 Clay St Suite 600, San Francisco, CA 94108. The listed phone number is (415) 398-5926.

What is Chuk Kwan's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Chuk Kwan enrolled in Medicare?

Yes. Chuk Kwan 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.

When was this NPI record last updated?

The NPPES record for Chuk Kwan was last updated on December 11, 2016. NPI Profile syncs with the weekly NPPES data releases published by CMS.