ALVIN SYLVAN CHEN M.D.
NPI 1891180006
Internal Medicine - Cardiovascular Disease in Mountain View, CA
NPI Status: Active since April 03, 2015
Contact Information
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA
ZIP 94040
Phone: (650) 404-8300
Fax: (650) 404-8309
- Individual
- Male
- Years of Experience 12
- Internal Medicine
- Cardiovascular Disease
- Accepts Medicare Approved Payment
- PECOS Enrolled
About ALVIN CHEN
This page provides the complete NPI Profile along with additional information for Alvin Chen, an internist established in Mountain View, California with a medical specialization in Internal Medicine, focusing in cardiovascular disease and more than 12 years of experience. He graduated from Harvard Medical School in 2015. The healthcare provider is registered in the NPI registry with number 1891180006 assigned on April 2015. The practitioner's primary taxonomy code is 207RC0000X with license number A143869 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.
- NPI
- 1891180006
- Provider Name
- ALVIN SYLVAN CHEN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 701 E EL CAMINO REAL MOUNTAIN VIEW, CA 94040
- Location Phone
- (650) 404-8300
- Location Fax
- (650) 404-8309
- Mailing Address
- 325 DISTEL CIR LOS ALTOS, CA 94022
- Medical School Name
- HARVARD MEDICAL SCHOOL
- Graduation Year
- 2015
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-03-2015
- Last Update Date
- 06-24-2021
- Code Navigator
An internist like Alvin Chen is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.
Location Map
Specialty - Primary Taxonomy
The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.
- Classification
Internal Medicine Cardiovascular Disease
- Taxonomy Code
- 207RC0000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- A143869
- License State
- CA
- Taxonomy Description
- 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.
Medicare Participation & PECOS Enrollment Status
Alvin Chen is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.
Alvin Chen is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.
What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.
Is the provider registered in PECOS? Yes
PECOS PAC ID: 6305195967
What is the PECOS Associate Control ID?
A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.PECOS Enrollment ID: I20210625001527
What is the Provider Enrollment ID?
The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.Accepts Medicare Assignment? Yes
What does it mean "accepts medicare assignment"?
When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes
Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes
Eligible to Order or Refer a Home Health Agency (HHA): Yes
Eligible to Order or Refer Power Mobility Devices: Yes
Areas of Expertise
The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.
3d radiographic procedure
Ambulatory blood pressure monitoring, 1 day or longer, with recording, scanning analysis, interpretation, and report
Analysis of data from ct study of heart blood vessels to assess severity of heart artery disease, with interpretation and report
Critical care, first 30-74 minutes
Ct scan of blood vessels and grafts of heart with contrast
Established patient office or other outpatient visit, 30-39 minutes
Established patient office or other outpatient visit, 40-54 minutes
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician
Follow-up hospital inpatient care per day, typically 35 minutes
Heart rhythm recording of continous external ekg over 8-15 days
Heart rhythm review and interpretation of continous external ekg over 8-15 days
Initial hospital inpatient care per day, typically 70 minutes
Injection, regadenoson, 0.1 mg
Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml
New patient office or other outpatient visit, 45-59 minutes
New patient office or other outpatient visit, 60-74 minutes
Nuclear medicine studies of heart muscle at rest and with stress and spect
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
Technetium tc-99m tetrofosmin, diagnostic, per study dose
Ultrasound of heart with color-depicted blood flow, rate and valve function
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function
Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report
Ultrasound of heart, follow-up
A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.
This service was performed 43 times for 43 patientsAmbulatory blood pressure monitoring is a test that keeps track of your blood pressure over 24 hours or more. A small device, worn on a belt, takes readings at set intervals. This data is analyzed to give a comprehensive report on your blood pressure patterns.
This service was performed 19 times for 19 patientsThis procedure involves studying data from a CT scan of your heart's blood vessels. It helps evaluate the severity of any artery disease present in your heart. The findings are then interpreted and compiled into a report for further medical action.
This service was performed 18 times for 18 patientsCritical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
This service was performed 33 times for 12 patientsA CT scan of the heart's blood vessels and grafts with contrast is a diagnostic test. A special dye (contrast) is injected into your veins, which helps create clear images of your heart's vessels and grafts. This helps doctors detect blockages or other abnormalities.
This service was performed 24 times for 24 patientsThis 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.
This service was performed 220 times for 133 patientsThis 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.
This service was performed 80 times for 50 patientsAn exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.
This service was performed 43 times for 43 patientsFollow-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.
This service was performed 121 times for 52 patientsA heart rhythm recording is a non-invasive procedure where a small device, attached externally, monitors your heart's electrical activity for 8-15 days. It helps detect irregular heart rhythms, assess heart rate, and guide treatment decisions. It's safe, painless, and can be done during normal daily activities.
This service was performed 78 times for 73 patientsThis service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.
This service was performed 79 times for 73 patientsInitial 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.
This service was performed 43 times for 40 patientsRegadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.
This service was performed 121 times for 31 patientsLow osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
This service was performed 1,876 times for 22 patientsThis 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.
This service was performed 72 times for 72 patientsThis 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.
This service was performed 32 times for 32 patientsNuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.
This service was performed 33 times for 33 patientsAn electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
This service was performed 479 times for 466 patientsTechnetium Tc-99m Tetrofosmin is a radiopharmaceutical used in diagnostic imaging. It helps highlight areas of concern in the heart by emitting signals captured by a special camera. This assists doctors in detecting heart conditions.
This service was performed 65 times for 33 patientsAn 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.
This service was performed 19 times for 16 patientsThis 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.
This service was performed 163 times for 160 patientsThis 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.
This service was performed 135 times for 131 patientsThis procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.
This service was performed 49 times for 49 patientsA follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
This service was performed 18 times for 12 patientsPhysician Visit Costs
The typical physician office visit costs for Medicare beneficiaries in this area are: $39.16 for a new patient copayment and $21.64 for an established patient copayment.
The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.
For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.
The prices below reflect the costs for new and established patients in the 94040 ZIP code area.
New Patients Visit Costs *
The most utilized procedure code for new patients office visits is 99204
- Average New Patient Price $156.67
- Minimum New Patient Price $70.37
- Maximum New Patient Price $206.04
- Average New Patient Copayment $39.16
- Minimum New Patient Copayment $17.59
- Maximum New Patient Copayment $51.51
Established Patients Visit Costs *
The most utilized procedure code for established patients office visits is 99213
- Average Established Patient Price $86.56
- Minimum Established Patient Price $23.96
- Maximum Established Patient Price $169.6
- Average Established Patient Copayment $21.64
- Minimum Established Patient Copayment $5.99
- Maximum Established Patient Copayment $42.4
* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.
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NPI NPI Number Validation
How NPI Validation Works
The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.
To verify the NPI 1891180006, we treat the final digit (6) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
Digit-by-digit view
Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.
Step 1: Double every other digit from the right
Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
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Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1891180006, enumerated as an "individual" on April 03, 2015.
The provider is located at 701 E EL CAMINO REAL MOUNTAIN VIEW, CA 94040 and the phone number is (650) 404-8300.
Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.