AARTI PATEL MD
NPI 1598926651
Internal Medicine - Clinical Cardiac Electrophysiology in Trenton, NJ

Quality Rating: 95.21 out of 100 score

NPI Status: Active since June 21, 2008

Contact Information

2073 KLOCKNER RD
TRENTON, NJ
ZIP 08690
Phone: (609) 584-1212
Fax: (609) 584-0103

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Table of Contents

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
Insurance Plans Accepted
Medicare Participation & PECOS Status
Areas of Expertise
Physician Visit Costs
Overall Quality Performance
Quality Reporting
Hospital Affiliations - Privileges
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Years of Experience 22
Internal Medicine
Clinical Cardiac Electrophysiology
Accepts Insurance
Accepts Medicare Approved Payment
PECOS Enrolled
Medicare Quality Reporting

About AARTI PATEL

This page provides the complete NPI Profile along with additional information for Aarti Patel, an internist established in Trenton, New Jersey with a medical specialization in Internal Medicine, focusing in clinical cardiac electrophysiology and more than 22 years of experience. The healthcare provider is registered in the NPI registry with number 1598926651 assigned on June 2008. The practitioner's primary taxonomy code is 207RC0001X with license number 25MA09152800 (NJ). The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI: 1598926651
Provider Name: AARTI PATEL MD
Gender: Female
Entity Type: Individual
Location Address: 2073 KLOCKNER RD TRENTON, NJ 08690
Location Phone: (609) 584-1212
Location Fax: (609) 584-0103
Mailing Address: 2073 KLOCKNER RD TRENTON, NJ 08690
Mailing Phone: (609) 631-7108
Mailing Fax: (609) 584-0103
Medical School Name: OTHER
Graduation Year: 2005
Is Sole Proprietor?: No
Enumeration Date: 06-21-2008
Last Update Date: 04-20-2016
Code Navigator

An internist like Aarti Patel 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 Clinical Cardiac Electrophysiology
Taxonomy Code: 207RC0001X
Type: Allopathic & Osteopathic Physicians
License No.: 25MA09152800
License State: NJ
Taxonomy Description: A field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.

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)
1	207RC0000X	Allopathic & Osteopathic Physicians	Internal Medicine Cardiovascular Disease	25MA09152800 (NJ)

Insurance Plans Accepted

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

Anthem Blue Cross and Blue Shield

Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
Anthem Gold Access Blue New England HMO 1000/20%/7500 - HMO
Anthem Gold Access Blue New England HMO 2000/0%/6500 RxD - HMO
Anthem Gold Access Blue New England HMO 2000/10%/4600 w/HSA - HMO
Anthem Gold Access Blue New England HMO 2000/10%/7500 - HMO
Anthem Gold Access Blue New England HMO 2000/20%/4600 w/HSA - HMO
Anthem Gold Access Blue New England HMO 3000/0%/7500 RxD - HMO
Anthem Gold Access Blue New England HMO 500/30%/9000 - HMO
Anthem Platinum Access Blue New England HMO 250/10%/3500 - HMO
Anthem Silver Access Blue New England HMO 2500/30%/10000 Value - HMO
Anthem Silver Access Blue New England HMO 3000/30%/9000 Value - HMO
Anthem Silver Access Blue New England HMO 3500/20%/10000 - HMO
Anthem Silver Access Blue New England HMO 3500/20%/7250 w/HSA - HMO
Anthem Silver Access Blue New England HMO 4000/0%/9000 - HMO
Anthem Silver Access Blue New England HMO 4000/0%/9000 RxD - HMO
Anthem Silver Access Blue New England HMO 4000/10%/7250 w/HSA - HMO
Anthem Silver Access Blue New England HMO 4000/20%/8500 - HMO

Medica

Inspire by Medica Bronze $0 Copay PCP Visits - EPO
Inspire by Medica Bronze Share - EPO
Inspire by Medica Expanded Bronze Standard - EPO
Inspire by Medica Gold $0 Copay PCP Visits - EPO
Inspire by Medica Gold Share - EPO
Inspire by Medica Gold Standard - EPO
Inspire by Medica Silver $0 Copay PCP Visits - EPO
Inspire by Medica Silver Share - EPO
Inspire by Medica Silver Standard - EPO
Medica Insure Bronze $0 Copay PCP Visits - EPO
Medica Insure Bronze Premier - EPO
Medica Insure Bronze Share - EPO
Medica Insure Expanded Bronze Standard - EPO
Medica Insure Gold $0 Copay PCP Visits - EPO
Medica Insure Gold Share - EPO
Medica Insure Gold Standard - EPO
Medica Insure Silver $0 Copay PCP Visits - EPO
Medica Insure Silver Share - EPO
Medica Insure Silver Standard - EPO

Quartz

QUARTZ GUNDERSEN PERFORMANCE BRONZE $0 MEDICAL DED - HMO
QUARTZ GUNDERSEN PERFORMANCE BRONZE $10,150 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) $0 MEDICAL DED - HMO
QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) $10,150 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE BRONZE (DENTAL & VISION) STANDARD EASY PRICING - HMO
QUARTZ GUNDERSEN PERFORMANCE BRONZE STANDARD EASY PRICING - HMO
QUARTZ GUNDERSEN PERFORMANCE CATASTROPHIC $10,600 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE GOLD $4,000 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) $4,000 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE GOLD (DENTAL & VISION) STANDARD EASY PRICING - HMO
QUARTZ GUNDERSEN PERFORMANCE GOLD MAINTENANCE $700 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE GOLD MAINTENANCE (DENTAL & VISION) $700 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE GOLD STANDARD EASY PRICING - HMO
QUARTZ GUNDERSEN PERFORMANCE SILVER $8,000 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE SILVER $9,000 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) $8,000 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) $9,000 DED - HMO
QUARTZ GUNDERSEN PERFORMANCE SILVER (DENTAL & VISION) STANDARD EASY PRICING - HMO
QUARTZ GUNDERSEN PERFORMANCE SILVER STANDARD EASY PRICING - HMO
QUARTZ ONE ACHIEVE W/GUNDERSEN BRONZE $0 MEDICAL DED - HMO

Medicare

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

Medicaid

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
22-3052989	OTHER (01)	NJ	TAX ID
255035	MEDICARE PIN (08)	NJ

Medicare Participation & PECOS Enrollment Status

Aarti Patel 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.

Aarti Patel 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: 7618127960
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: I20250221000726, I20250613001630
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.

Established patient office or other outpatient visit, 10-19 minutes
Established patient office or other outpatient visit, 30-39 minutes
Evaluation of cardiac rhythm monitor system, remote up to 30 days
Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days
Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days
Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician
Follow-up hospital inpatient care per day, typically 25 minutes
Initial hospital inpatient care per day, typically 70 minutes
Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec
New patient office or other outpatient visit, 45-59 minutes
Programming of cardiac rhythm monitor system
Programming of dual lead pacemaker system
Programming of multiple lead implantable defibrillator system
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only
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

Physician Visit Costs

The typical physician office visit costs for Medicare beneficiaries in this area are: $35.08 for a new patient copayment and $26.98 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 08690 ZIP code area.

New Patients Visit Costs *

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

Average New Patient Price $140.34
Minimum New Patient Price $61.59
Maximum New Patient Price $185.05

Average New Patient Copayment $35.08
Minimum New Patient Copayment $15.39
Maximum New Patient Copayment $46.26

Established Patients Visit Costs *

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

Average Established Patient Price $107.94
Minimum Established Patient Price $20.08
Maximum Established Patient Price $150.98

Average Established Patient Copayment $26.98
Minimum Established Patient Copayment $5.02
Maximum Established Patient Copayment $37.74

* 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 95.21, 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 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: 95.21 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: 84.69

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: 100

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: N/A

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: N/A

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.

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 Patients	Yes	N/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.
Engagement of patients through implementation of improvements in patient portal	Yes	N/A
Access to an enhanced patient portal that provides up to date information related to relevant chronic disease health or blood pressure control, and includes interactive features allowing patients to enter health information and/or enables bidirectional communication about medication changes and adherence.
Implementation of formal quality improvement methods, practice changes, or other practice improvement processes	Yes	N/A
Adopt a formal model for quality improvement and create a culture in which all staff actively participates in improvement activities that could include one or more of the following such as: • Multi-Source Feedback; • Train all staff in quality improvement methods; • Integrate practice change/quality improvement into staff duties; • Engage all staff in identifying and testing practices changes; • Designate regular team meetings to review data and plan improvement cycles; • Promote transparency and accelerate improvement by sharing practice level and panel level quality of care, patient experience and utilization data with staff; and/or • Promote transparency and engage patients and families by sharing practice level quality of care, patient experience and utilization data with patients and families, including activities in which clinicians act upon patient experience data.
Implementation of improvements that contribute to more timely communication of test results	Yes	N/A
Timely communication of test results defined as timely identification of abnormal test results with timely follow-up.
Implementation of medication management practice improvements	Yes	N/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.
Implementation of Use of Specialist Reports Back to Referring Clinician or Group to Close Referral Loop	Yes	N/A
Performance of regular practices that include providing specialist reports back to the referring individual MIPS eligible clinician or group to close the referral loop or where the referring individual MIPS eligible clinician or group initiates regular inquiries to specialist for specialist reports which could be documented or noted in the EHR technology.
Provide 24/7 Access to MIPS Eligible Clinicians or Groups Who Have Real-Time Access to Patient's Medical Record	Yes	N/A
• Provide 24/7 access to MIPS eligible clinicians, groups, or care teams for advice about urgent and emergent care (e.g., MIPS eligible clinician and care team access to medical record, cross-coverage with access to medical record, or protocol-driven nurse line with access to medical record) that could include one or more of the following: • Expanded hours in evenings and weekends with access to the patient medical record (e.g., coordinate with small practices to provide alternate hour office visits and urgent care); • Use of alternatives to increase access to care team by MIPS eligible clinicians and groups, such as e-visits, phone visits, group visits, home visits and alternate locations (e.g., senior centers and assisted living centers); and/or Provision of same-day or next-day access to a consistent MIPS eligible clinician, group or care team when needed for urgent care or transition management.
Regularly assess the patient experience of care through surveys, advisory councils and/or other mechanisms.	Yes	N/A
Regularly assess the patient experience of care through surveys, advisory councils and/or other mechanisms.
Tobacco use	Yes	N/A
Tobacco use: Regular engagement of MIPS eligible clinicians or groups in integrated prevention and treatment interventions, including tobacco use screening and cessation interventions (refer to NQF #0028) for patients with co-occurring conditions of behavioral or mental health and at risk factors for tobacco dependence.
Use of decision support and standardized treatment protocols	Yes	N/A
Use decision support and standardized treatment protocols to manage workflow in the team to meet patient needs.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Aarti Patel is affiliated with the following medical facilities:

Hospital Name	Address	Phone	Hospital Type
FINLEY HOSPITAL	350 NORTH GRANDVIEW AVENUE DUBUQUE, IA 52001	(563) 582-1881	Acute Care Hospitals
BERKSHIRE MEDICAL CENTER	725 NORTH STREET PITTSFIELD, MA 01201	(413) 447-2000	Acute Care Hospitals
BAYSTATE MEDICAL CENTER	759 CHESTNUT STREET SPRINGFIELD, MA 01199	(413) 794-0000	Acute Care Hospitals
FAIRVIEW HOSPITAL	29 LEWIS AVENUE GREAT BARRINGTON, MA 01230	(413) 528-0790	Critical Access Hospitals

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 1598926651, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 12 → 1 + 2

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 9 → 18 → 9 9 → 18 → 9 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 1 + 8 + 2 + 1 + 2 + 6 + 1 + 0 + 24 = 69

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

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1

This NPI is valid

The calculated check digit is 1, which matches the last digit of 1598926651.