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STANLEY CHOU M.D.
NPI 1265751226
Internal Medicine - Cardiovascular Disease in Sherman Oaks, CA

Active since May 28, 2010PECOS EnrolledAccepts Medicare Assignment
67.81/100
CMS Quality Rating
4955 VAN NUYS BLVD, STE 308, SHERMAN OAKS, CA 91403(818) 528-1260(818) 528-1261 Get Directions Write a Review

NPPES record last updated: September 18, 2015. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Stanley Chou M.d. NPPES

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

STANLEY CHOU M.D. (NPI 1265751226) is an individual cardiovascular disease provider in Sherman Oaks, California, licensed in California (A107526) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (2007).

NPPES Registry Identity

NPI1265751226
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameSTANLEY CHOUCredential: M.D.
Location Address4955 VAN NUYS BLVD, STE 308Sherman Oaks, CA 91403-1801
Mailing Address4955 Van Nuys Blvd, Ste 308Sherman Oaks, CA 91403-1801 · (818) 528-1260 · Fax (818) 528-1261
Phone(818) 528-1260
Fax(818) 528-1261
Sole ProprietorNo
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 2007
Enumeration DateMay 28, 2010
Last NPPES UpdateSeptember 18, 2015
✔ NPI 1265751226 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License✔ Licensed in CA · A107526
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
4955 VAN NUYS BLVD, Sherman Oaks, CA 91403
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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

Stanley Chou 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 ID2860647625
PECOS Enrollment IDI20140429000905
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 Reassignments

3

Medicare enrollment records show Stanley Chou reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Epic Cardiology
Same address
Cardiovascular Disease
4955 VAN NUYS BLVD STE 308
Sherman Oaks, CA 91403
  • Reassigned Medicare billing, California enrollment
  • 17 clinicians in this Medicare group
NPI 1972836252 (818) 528-1260
One Health Medical Group Inc
21 mi
Multi-Specialty
3630 E IMPERIAL HWY STE 55B
Lynwood, CA 90262
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1376283614 (310) 722-1108
Apex Health Inc.
64 mi
Internal Medicine
31473 RANCHO VIEJO RD STE 103
San Juan Capistrano, CA 92675
  • Reassigned Medicare billing, California enrollment
NPI 1053873075 (949) 388-0315

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 8

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.
617 services281 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.
331 services299 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
328 services123 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.
322 services316 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.
164 services136 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.
58 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91403 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

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.

67.81/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality90
Improvement Activities0
Cost72.71

Reported Quality Measures

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.
100%372 patients5/55-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.
100%367 patients5/55-star benchmark: 100%
Falls: Screening for Future Fall Risk
Percentage of patients 65 years of age and older who were screened for future fall risk during the measurement period
98%62 patients4/55-star benchmark: 99%
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…
95%139 patients4/55-star benchmark: 97%
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…
1%139 patients1/55-star benchmark: 100%
Use of High-Risk Medications in the Elderly
Percentage of patients 65 years of age and older who were ordered high-risk medications. Two rates are submitted. 1) Percentage of patients who were ordered at least one high-risk medication.
Lower rates are better for this measure.
Patients 2+: 2% · 62 patients
2%62 patients4/55-star benchmark: 100%
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.

MR. TOM VU DMD
Dentist
4955 VAN NUYS BLVD, SUITE #518
SHERMAN OAKS, CA 91403
Los Angeles County (818) 783-8891
ALI SHEYBANI MEDICAL INC.
Internal Medicine
4955 VAN NUYS BLVD, SUITE 405
SHERMAN OAKS, CA 91403
Los Angeles County (818) 464-4870
ANGELA CASTELLANO MD
Dermatology
4955 VAN NUYS BLVD, 516
SHERMAN OAKS, CA 91403
Los Angeles County (818) 789-6296
MRS. JABEEN FATIMA M.D
Family Medicine
4955 VAN NUYS BLVD, SUITE 415
SHERMAN OAKS, CA 91403
Los Angeles County (818) 528-1080
ARDENE J CUDIAMAT NP
Nurse Practitioner
4955 VAN NUYS BLVD, SUITE 411
SHERMAN OAKS, CA 91403
Los Angeles County (818) 784-7903
LAKESIDE MEDICAL ASSOCIATES A MEDICAL GROUP INC
Family Medicine
4955 VAN NUYS BLVD, SUITE 308
SHERMAN OAKS, CA 91403
Los Angeles County (818) 907-5088
DR. DANIEL HEMMATI D.D.S.
Dentist (General Practice)
4955 VAN NUYS BLVD, 716
SHERMAN OAKS, CA 91403
Los Angeles County (661) 803-4699
LARISSE K LEE M.D.
Surgery (Vascular Surgery)
4955 VAN NUYS BLVD, SUITE 704
SHERMAN OAKS, CA 91403
Los Angeles County (818) 325-0400

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 Stanley Chou's NPI number?

The NPI number for Stanley Chou is 1265751226. It was assigned to this individual provider in the NPPES registry on May 28, 2010.

Where is Stanley Chou located?

Stanley Chou practices at 4955 Van Nuys Blvd Ste 308, Sherman Oaks, CA 91403. The listed phone number is (818) 528-1260.

What is Stanley Chou's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Stanley Chou enrolled in Medicare?

Yes. Stanley Chou 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 organizations bill Medicare for Stanley Chou's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stanley Chou reassigns Medicare benefits to 3 organizations: Epic Cardiology (Sherman Oaks, CA), One Health Medical Group Inc (Lynwood, CA) and Apex Health Inc. (San Juan Capistrano, CA). Each 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 Stanley Chou'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 Stanley Chou was last updated on September 18, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.