JEFFREY MORITO NIIZAWA M.D.
NPI 1922015445
Internal Medicine - Gastroenterology in Bullhead City, AZ

NPI Status: Active since August 01, 2006

Contact Information

2020 SILVER CREEK RD
SUITE 220
BULLHEAD CITY, AZ
ZIP 86442
Phone: (928) 763-2500
Fax: (928) 763-0027

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  • Individual
  • Male
  • Years of Experience 38
  • Internal Medicine
  • Gastroenterology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled
  • Medicare Quality Reporting

About JEFFREY NIIZAWA

This page provides the complete NPI Profile along with additional information for Jeffrey Niizawa, an internist established in Bullhead City, Arizona with a medical specialization in Internal Medicine, focusing in gastroenterology and more than 38 years of experience. He graduated from Northwestern University Feinberg Medical School in 1988. The healthcare provider is registered in the NPI registry with number 1922015445 assigned on August 2006. The practitioner's primary taxonomy code is 207RG0100X with license number 21760 (AZ). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1922015445
Provider Name
JEFFREY MORITO NIIZAWA M.D.
Gender
Male
Entity Type
Individual
Location Address
2020 SILVER CREEK RD SUITE 220 BULLHEAD CITY, AZ 86442
Location Phone
(928) 763-2500
Location Fax
(928) 763-0027
Mailing Address
PO BOX 689022 FRANKLIN, TN 37068
Mailing Phone
(615) 465-7672
Mailing Fax
(928) 763-0027
Medical School Name
NORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduation Year
1988
Is Sole Proprietor?
No
Enumeration Date
08-01-2006
Last Update Date
11-30-2021
Code Navigator

An internist like Jeffrey Niizawa 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
21760
License State
AZ
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
3520720OTHER (01)AZCIGNA
148024MEDICAID (05)AZ 
2Z7711OTHER (01)AZHEALTH NET OF AZ
4402714OTHER (01)AZAETNA

Medicare Participation & PECOS Enrollment Status

Jeffrey Niizawa 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.

Jeffrey Niizawa 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: 5496774754

    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: I20110406000452

    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.

Colonoscopy

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

This service was performed for 261 patients

Upper gastrointestinal (GI) endoscopy for acid reflux

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

This service was performed for 182 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $31.92 for a new patient copayment and $24.5 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 86442 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $127.71
  • Minimum New Patient Price $55.44
  • Maximum New Patient Price $168.6
  • Average New Patient Copayment $31.92
  • Minimum New Patient Copayment $13.86
  • Maximum New Patient Copayment $42.15

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $98
  • Minimum Established Patient Price $17.72
  • Maximum Established Patient Price $137.41
  • Average Established Patient Copayment $24.5
  • Minimum Established Patient Copayment $4.43
  • Maximum Established Patient Copayment $34.35

* 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.

Quality Reporting

The provider participated in CMS Quality Payment Program. The Quality Payment Program aims to improve population health, reduce costs and improve the care received by Medicare beneficiaries. The following quality measures meet Medicare's statistical reporting standards. Not all providers report the same information, because not all providers give the same services to patients. The quality information is just a snapshot of some the care providers give to their patients. Reporting more or less information is not a reflection of quality.

Quality Measure Performance Number of Patients
Chronic Care and Preventative Care Management for Empaneled PatientsYesN/A
Proactively manage chronic and preventive care for empaneled patients that could include one or more of the following: • Provide patients annually with an opportunity for development and/or adjustment of an individualized plan of care as appropriate to age and health status, including health risk appraisal; gender, age and condition-specific preventive care services; and plan of care for chronic conditions; • Use condition-specific pathways for care of chronic conditions (e.g., hypertension, diabetes, depression, asthma and heart failure) with evidence-based protocols to guide treatment to target; such as a CDC-recognized diabetes prevention program; • Use pre-visit planning to optimize preventive care and team management of patients with chronic conditions; • Use panel support tools (registry functionality) to identify services due; • Use predictive analytical models to predict risk, onset and progression of chronic diseases; or • Use reminders and outreach (e.g., phone calls, emails, postcards, patient portals and community health workers where available) to alert and educate patients about services due; and/or routine medication reconciliation.
Colorectal Cancer Screening 74% 23
Percentage of adults 50-75 years of age who had appropriate screening for colorectal cancer
Documentation of Current Medications in the Medical Record 100% 30
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. This list must include ALL known prescriptions, over-the-counters, herbals, and vitamin/mineral/dietary (nutritional) supplements AND must contain the medications' name, dosage, frequency and route of administration
Implementation of medication management practice improvementsYesN/A
Manage medications to maximize efficiency, effectiveness and safety that could include one or more of the following: Reconcile and coordinate medications and provide medication management across transitions of care settings and eligible clinicians or groups; Integrate a pharmacist into the care team; and/or Conduct periodic, structured medication reviews.
Measurement and Improvement at the Practice and Panel LevelYesN/A
Measure and improve quality at the practice and panel level, such as the American Board of Orthopaedic Surgery (ABOS) Physician Scorecards, that could include one or more of the following: • Regularly review measures of quality, utilization, patient satisfaction and other measures that may be useful at the practice level and at the level of the care team or MIPS eligible clinician or group (panel); and/or • Use relevant data sources to create benchmarks and goals for performance at the practice level and panel level.
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan 20% 30
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 twelve months of the current encounter Normal Parameters: Age 18 years and older BMI >= 18.5 and < 25 kg/m2
Use of decision support and standardized treatment protocolsYesN/A
Use decision support and standardized treatment protocols to manage workflow in the team to meet patient needs.

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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 1922015445, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
1
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
5
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 2 → 4 0 → 0 5 → 10 → 1 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 0 + 1 + 1 + 0 + 4 + 8 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1922015445.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
2020 SILVER CREEK RD, SUITE # 102 C
BULLHEAD CITY, AZ 86442
Specialist
2020 SILVER CREEK RD, BUILDING A SUITE 220
BULLHEAD CITY, AZ 86442
Internal Medicine (Cardiovascular Disease)
2020 SILVER CREEK RD, SUITE 102 C
BULLHEAD CITY, AZ 86442
Specialist
2020 SILVER CREEK RD, BLDG A #103
BULLHEAD CITY, AZ 86442
Obstetrics & Gynecology (Gynecology)
2020 SILVER CREEK RD, BLDG. B, STE. 101A
BULLHEAD CITY, AZ 86442
Home Health
2020 SILVER CREEK RD, BLDG A - STE 114
BULLHEAD CITY, AZ 86442
Family Medicine
2020 SILVER CREEK RD, SUITE 210
BULLHEAD CITY, AZ 86442
In Home Supportive Care
2020 SILVER CREEK RD
BULLHEAD CITY, AZ 86442

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922015445, enumerated as an "individual" on August 01, 2006.

The provider is located at 2020 SILVER CREEK RD SUITE 220 BULLHEAD CITY, AZ 86442 and the phone number is (928) 763-2500.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Cigna, Medicare, Medicaid and Aetna. Please consult your insurance carrier or call the provider to verify.