MAGGIE CHEN MD
NPI 1649470683
Internal Medicine - Nephrology in San Jose, CA


Quality Rating: 99.61 out of 100 score

NPI Status: Active since July 18, 2007

Contact Information

2360 MCKEE RD
STE #10
SAN JOSE, CA
ZIP 95116
Phone: (408) 729-7128
Fax: (408) 729-4125

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  • Individual
  • Female
  • Years of Experience 18
  • Internal Medicine
  • Nephrology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About MAGGIE CHEN

This page provides the complete NPI Profile along with additional information for Maggie Chen, an internist established in San Jose, California with a medical specialization in Internal Medicine, focusing in nephrology and more than 18 years of experience. The healthcare provider is registered in the NPI registry with number 1649470683 assigned on July 2007. The practitioner's primary taxonomy code is 207RN0300X with license number A113157 (CA). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1649470683
Provider Name
MAGGIE CHEN MD
Gender
Female
Entity Type
Individual
Location Address
2360 MCKEE RD STE #10 SAN JOSE, CA 95116
Location Phone
(408) 729-7128
Location Fax
(408) 729-4125
Mailing Address
2360 MCKEE RD STE #10 SAN JOSE, CA 95116
Mailing Phone
(408) 729-7128
Mailing Fax
(408) 729-4125
Medical School Name
OTHER
Graduation Year
2008
Is Sole Proprietor?
No
Enumeration Date
07-18-2007
Last Update Date
06-20-2014
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An internist like Maggie 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.

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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 Nephrology

Taxonomy Code
207RN0300X
Type
Allopathic & Osteopathic Physicians
License No.
A113157
License State
CA
Taxonomy Description
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Medicare Participation & PECOS Enrollment Status

Maggie 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.

Maggie 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: 5799940250

    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: I20120706000525

    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

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE017N)

    Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips (HCPCS:A4253)

    9 DME suppliers used 44 Medicare Claims 119 Services Paid

  • DME-Medical/Surgical Supplies (DA000N)

    Lancets, per box of 100 (HCPCS:A4259)

    6 DME suppliers used 27 Medicare Claims 38 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard wheelchair (HCPCS:K0001)

    1 DME suppliers used 15 Medicare Claims 15 Services Paid

  • DME-Other DME (DE017N)

    Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)

    2 DME suppliers used 13 Medicare Claims 13 Services Paid

Unknown

  • Treatment-Treatment - Miscellaneous (RX029N)

    Tacrolimus, immediate release, oral, 1 mg (HCPCS:J7507)

    4 DME suppliers used 24 Medicare Claims 1080 Services Paid

  • Treatment-Treatment - Miscellaneous (RX029N)

    Mycophenolate mofetil, oral, 250 mg (HCPCS:J7517)

    2 DME suppliers used 24 Medicare Claims 2160 Services Paid

  • Treatment-Chemotherapy (RH012N)

    Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period (HCPCS:Q0511)

    4 DME suppliers used 20 Medicare Claims 20 Services Paid

  • Treatment-Chemotherapy (RH012N)

    Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period (HCPCS:Q0512)

    2 DME suppliers used 27 Medicare Claims 28 Services Paid

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.

Administration of influenza virus vaccine

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

This service was performed 34 times for 32 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

This service was performed 42 times for 42 patients

Dialysis services, 1 physician visit per month (20 years or older)

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can’t do their job. A physician visit once a month ensures your treatment is working effectively and adjusts it if necessary. This service is available for individuals aged 20 years and older.

This service was performed 147 times for 36 patients

Dialysis services, 2-3 physician visits per month (20 years or older)

Dialysis is a treatment that performs the function of healthy kidneys if they're not working properly. It removes waste and excess fluid from your blood. 2-3 physician visits per month are recommended for monitoring your health and adjusting your treatment as needed. This service is available for those aged 20 years and older.

This service was performed 227 times for 43 patients

Dialysis services, 4 or more physician visits per month (20 years or older)

Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.

This service was performed 26 times for 14 patients

Established patient office or other outpatient visit, 20-29 minutes

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.

This service was performed 380 times for 166 patients

Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage

The quadrivalent influenza vaccine is a shot to protect you from four different flu viruses. It's preservative-free and given in a 0.5 ml dose. It helps your body build immunity to the flu, reducing your risk of getting sick.

This service was performed 31 times for 31 patients

New patient office or other outpatient visit, 30-44 minutes

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.

This service was performed 26 times for 26 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $39.16 for a new patient copayment and $30.44 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 95116 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 99214

  • Average Established Patient Price $121.77
  • Minimum Established Patient Price $23.96
  • Maximum Established Patient Price $169.6
  • Average Established Patient Copayment $30.44
  • 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.

Overall MIPS Quality Performance

The provider participated in CMS Quality Payment Program under the Merit-based Incentive Payment System (MIPS) and has an overall final score of 99.61, based on four performance areas: quality, improvement activities, promoting interoperability, and cost. The purpose of this information is to help people with Medicare make informed decisions and incentivize doctors and clinicians to maximize performance. The provider also has detailed performance information the following quality measures: .

The Merit-based Incentive Payment System (MIPS) is a way providers could use to participate in CMS Quality Payment Program (QPP). The MIPS program affects clinician reimbursement for Part B covered professional services and also rewards them for improving the quality of patient care and outcomes.

  • Final Score: 99.61 out of 100

    The MIPS program evaluates providers across multiple categories with a specific weight for each category resulting a in a MIPS final score that ranges from 0 to 100 points. The MIPS Final Score determines whether providers receive a negative, neutral or positive MIPS payment adjustment.

  • Quality Score: 82.88

    The Quality category assesses providers performance on clinical practices and patient outcomes under the traditional MIPS program. The quality measures help identify the quality of healthcare processes, outcomes, and patient experiences. The Quality measure category compromises 40% providers final MPIS scores.

    There are six collection types for MIPS quality measures: Electronic Clinical Quality Measures (eCQMs), MIPS Clinical Quality Measures (CQMs), Qualified Clinical Data Registry (QCDR) Measures, Medicare Part B claims measures, CMS Web Interface measures and The Consumer Assessment of Healthcare Providers and Systems (CAHPS) for MIPS Survey.

  • Promoting Interoperability Score: 90

    The Interoperability category measures the providers ability to use technology to exchange and make use of healthcare information in a way that is less burdensome and improves outcomes. The Interoperability measure category compromises 25% providers final MPIS scores.

    The MIPS Interoperability measure focuses on the use of certified electronic health record technology (CEHRT) to improve patient access health information, the exchange of information between clinicians and pharmacies and the systematic collection, analysis, and interpretation of healthcare data.

  • Improvement Activities Score: 40

    The Improvement Activities performance category evaluates the providers participation in clinical activities that support the improvement of clinical practice, care delivery, and outcomes. Providers have the option to choose 2 to 4 activities from an inventory of over 100 improvement activities. Providers typically choose the activities that best fit their needs. The improvement activities measure category compromises 15% providers final MPIS scores.

    The Improvement measures aim to better patient engagement, patient safety and other areas of patient care. The Improvement Activities category compromises 15% of providers final MPIS scores.

  • Cost Score: 90.84

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

  • Cost Score: 90.84

    The Cost performance category asses the amount and types of services provided and how clinicians coordinate care and seek improvement of health outcomes by ensuring patients receive the appropriate services.

    Although providers don't determine the price of healthcare services they are important in delivering high-quality care at a reasonable cost. The Cost measures category compromises 20% of providers final MPIS scores.

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients
Colorectal Cancer Screening 26% 268
Controlling High Blood Pressure 61% 322
Diabetes: Eye Exam 1% 128
Diabetes: Hemoglobin A1c (HbA1c) Poor Control (>9%) 20% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
128
Documentation of Current Medications in the Medical Record 99% 1009
e-Prescribing 98% 606
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan 57% 482
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented 19% 215
Provide Patients Electronic Access to Their Health Information 40% 322
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease 94% 174
Use of High-Risk Medications in Older Adults 0% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
364
Use of High-Risk Medications in Older Adults 4% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
364
Use of High-Risk Medications in Older Adults 4% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.
364

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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 1649470683, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
3
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 4 → 8 4 → 8 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 8 + 9 + 8 + 7 + 0 + 6 + 1 + 6 + 24 = 77

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1649470683.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Internal Medicine (Nephrology)
2360 MCKEE RD, SUITE 10
SAN JOSE, CA 95116
Oral & Maxillofacial Surgery
2360 MCKEE RD
SAN JOSE, CA 95116
Acupuncturist
2360 MCKEE RD, SUITE 8
SAN JOSE, CA 95116
Internal Medicine
2360 MCKEE RD, SUITE 1
SAN JOSE, CA 95116
Internal Medicine (Nephrology)
2360 MCKEE RD, SUITE 10
SAN JOSE, CA 95116
Internal Medicine (Nephrology)
2360 MCKEE RD, SUITE 10
SAN JOSE, CA 95116
Acupuncturist
2360 MCKEE RD, SUITE 8
SAN JOSE, CA 95116
Dentist
2360 MCKEE RD, SUITE #2
SAN JOSE, CA 95116
Internal Medicine (Nephrology)
2360 MCKEE RD, SUITE 10
SAN JOSE, CA 95116
Clinic/Center (Ambulatory Surgical)
2360 MCKEE RD, SUITE 6
SAN JOSE, CA 95116

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649470683, enumerated as an "individual" on July 18, 2007.

The provider is located at 2360 MCKEE RD STE #10 SAN JOSE, CA 95116 and the phone number is (408) 729-7128.

Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.