IRVIN V MA MD
NPI 1487233201
Internal Medicine in Santa Clara, CA

NPI Status: Active since April 07, 2021

Contact Information

2441 MISSION COLLEGE BLVD
SANTA CLARA, CA
ZIP 95054
Phone: (408) 702-6668

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  • Individual
  • Male
  • Years of Experience 5
  • Internal Medicine
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About IRVIN MA

This page provides the complete NPI Profile along with additional information for Irvin Ma, an internist established in Santa Clara, California with a medical specialization in Internal Medicine and more than 5 years of experience. He graduated from University Of Nevada School Of Medicine in 2021. The healthcare provider is registered in the NPI registry with number 1487233201 assigned on April 2021. The practitioner's primary taxonomy code is 207R00000X with license number A196566 (CA). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1487233201
Provider Name
IRVIN V MA MD
Gender
Male
Entity Type
Individual
Location Address
2441 MISSION COLLEGE BLVD SANTA CLARA, CA 95054
Location Phone
(408) 702-6668
Mailing Address
PO BOX 276950 SACRAMENTO, CA 95827
Medical School Name
UNIVERSITY OF NEVADA SCHOOL OF MEDICINE
Graduation Year
2021
Is Sole Proprietor?
No
Enumeration Date
04-07-2021
Last Update Date
10-22-2025
Code Navigator

An internist like Irvin Ma 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

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
License No.
A196566
License State
CA
Taxonomy Description
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.

Medicare Participation & PECOS Enrollment Status

Irvin Ma 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.

Irvin Ma 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: 6608278825

    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: I20251016004039

    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

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 95054 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.

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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 1487233201, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 4 + 3 + 6 + 2 + 0 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1487233201.

Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Clinical Medical Laboratory
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Family Medicine
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Family Medicine
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Nurse Practitioner
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Internal Medicine (Cardiovascular Disease)
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Family Medicine
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Family Medicine
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Nurse Practitioner (Family)
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Family Medicine
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Pediatrics
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Family Medicine
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Pediatrics
2441 MISSION COLLEGE BLVD, PEDIATRICS, FLOOR 2
SANTA CLARA, CA 95054
Pediatrics
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054
Emergency Medicine
2441 MISSION COLLEGE BLVD
SANTA CLARA, CA 95054

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487233201, enumerated as an "individual" on April 07, 2021.

The provider is located at 2441 MISSION COLLEGE BLVD SANTA CLARA, CA 95054 and the phone number is (408) 702-6668.

Internal Medicine with taxonomy code 207R00000X.