DR. FRANCISCO J ARRAIZA M.D.
NPI 1447244942
Internal Medicine - Magnetic Resonance Imaging (MRI) in Arecibo, PR

NPI Status: Active since September 12, 2005

Contact Information

CARR # 2 KM 80.1
BO. SAN DANIEL
ARECIBO, PR
ZIP 00613
Phone: (787) 878-3000
Fax: (787) 878-8106

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  • Individual
  • Male
  • Years of Experience 30
  • Internal Medicine
  • Magnetic Resonance Imaging (MRI)
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About FRANCISCO ARRAIZA

This page provides the complete NPI Profile along with additional information for Francisco Arraiza, an internist established in Arecibo, Puerto Rico with a medical specialization in Internal Medicine, focusing in magnetic resonance imaging (mri) and more than 30 years of experience. He graduated from University Of Puerto Rico School Of Medicine in 1997. The healthcare provider is registered in the NPI registry with number 1447244942 assigned on September 2005. The practitioner's primary taxonomy code is 207RM1200X with license number 14871 (PR). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1447244942
Provider Name
DR. FRANCISCO J ARRAIZA M.D.
Gender
Male
Entity Type
Individual
Location Address
CARR # 2 KM 80.1 BO. SAN DANIEL ARECIBO, PR 00613
Location Phone
(787) 878-3000
Location Fax
(787) 878-8106
Mailing Address
PO BOX 140339 ARECIBO, PR 00614
Mailing Phone
(787) 878-3000
Mailing Fax
(787) 878-8106
Medical School Name
UNIVERSITY OF PUERTO RICO SCHOOL OF MEDICINE
Graduation Year
1997
Is Sole Proprietor?
No
Enumeration Date
09-12-2005
Last Update Date
09-11-2025
Code Navigator

An internist like Francisco Arraiza 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 Magnetic Resonance Imaging (MRI)

Taxonomy Code
207RM1200X
Type
Allopathic & Osteopathic Physicians
License No.
14871
License State
PR
Taxonomy Description
The National Uniform Claim Committee (NUCC) recommends code 207RM1200X not be used. Choose a more appropriate code.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
12085R0202XAllopathic & Osteopathic Physicians

Radiology
Diagnostic Radiology

14871 (PR)
22085R0204XAllopathic & Osteopathic Physicians

Radiology
Vascular & Interventional Radiology

14871 (PR)

Medicare Participation & PECOS Enrollment Status

Francisco Arraiza 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.

Francisco Arraiza 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: 547236531

    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: I20040910000096

    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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml

Low 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 1,175 times for 11 patients

Ultrasound scan of head and neck soft tissue

An ultrasound scan of the head and neck soft tissue is a non-invasive procedure that uses sound waves to create images of the soft tissues in these areas. It helps identify any abnormalities or issues, such as tumors, cysts, or infections. It's painless and doesn't involve radiation.

This service was performed 13 times for 13 patients

X-ray of chest, 2 views

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

This service was performed 11 times for 11 patients

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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 1447244942, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
9
Unchanged
Pos 9
4
Doubled → 8
Check
2
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 2 → 4 4 → 8 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 4 + 4 + 8 + 9 + 8 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1447244942.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447244942, enumerated as an "individual" on September 12, 2005.

The provider is located at CARR # 2 KM 80.1 BO. SAN DANIEL ARECIBO, PR 00613 and the phone number is (787) 878-3000.

Internal Medicine with taxonomy code 207RM1200X and a focus in Magnetic Resonance Imaging (MRI).