DR. SHAW R NATAN M.D.
NPI 1669688784
Internal Medicine - Clinical Cardiac Electrophysiology in Brighton, MA

NPI Status: Active since May 15, 2007

Contact Information

736 CAMBRIDGE ST, 4TH FL
CARDIOVASCULAR MEDICINE SUITE, 4TH FL MARGARET'S
BRIGHTON, MA
ZIP 02135
Phone: (617) 562-7690
Fax: (617) 562-7699

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  • Individual
  • Male
  • Years of Experience 25
  • Internal Medicine
  • Clinical Cardiac Electrophysiology
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About SHAW NATAN

This page provides the complete NPI Profile along with additional information for Shaw Natan, an internist established in Brighton, Massachusetts with a medical specialization in Internal Medicine, focusing in clinical cardiac electrophysiology and more than 25 years of experience. He graduated from Temple University School Of Medicine in 2001. The healthcare provider is registered in the NPI registry with number 1669688784 assigned on May 2007. The practitioner's primary taxonomy code is 207RC0001X with license number 235960 (MA). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1669688784
Provider Name
DR. SHAW R NATAN M.D.
Gender
Male
Entity Type
Individual
Location Address
736 CAMBRIDGE ST, 4TH FL CARDIOVASCULAR MEDICINE SUITE, 4TH FL MARGARET'S BRIGHTON, MA 02135
Location Phone
(617) 562-7690
Location Fax
(617) 562-7699
Mailing Address
960 MASSACHUSETTS AVE FL 2 BOSTON, MA 02118
Medical School Name
TEMPLE UNIVERSITY SCHOOL OF MEDICINE
Graduation Year
2001
Is Sole Proprietor?
Yes
Enumeration Date
05-15-2007
Last Update Date
02-18-2026
Code Navigator

An internist like Shaw Natan 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

Secondary Locations

  • 830 Oak St Suite 205W
    Brockton, MA 02301
    (508) 583-4440
  • 72 Washington St Suite 1700
    Taunton, MA 02780
    (508) 880-0077
  • 60 East St Suite 1400
    Methuen, MA 01844
    (617) 202-6001

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.
235960
License State
MA
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)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

MD422744 (PA)
2207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

235960 (MA)

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.

*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
110081667AMEDICAID (05)MA 

Medicare Participation & PECOS Enrollment Status

Shaw Natan is registered with Medicare but maybe doesn't accept claims assignment. If you are a Medicare beneficiary call and confirm with the provider before seeking any services.

Shaw Natan 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: 6204929672

    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: I20090203000416

    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? Maybe

    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.

Comprehensive electrophysiologic evaluation with catheter destruction of abnormality causing atrial fibrillation (uncoordinated contraction of upper chambers of heart) by pulmonary vein isolation

This is a procedure to treat atrial fibrillation, a condition causing irregular heartbeats. It involves a detailed heart evaluation using electrophysiology. A catheter is then used to destroy the problematic area causing the issue. Specifically, isolation of the pulmonary vein is done to regulate the heartbeat.

This service was performed 39 times for 37 patients

Destruction of tissue of upper heart chamber through tube to treat abnormal heart rhythm

This procedure involves using a tube, or catheter, to access your upper heart chamber. Special tools are then used to destroy a small area of heart tissue causing abnormal rhythm. This helps reset your heart's regular rhythm, improving heart function.

This service was performed 37 times for 35 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 20 times for 18 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 227 times for 160 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 473 times for 304 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 37 times for 35 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 41 times for 39 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

This service was performed 116 times for 16 patients

Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days

This service involves remotely monitoring your heart and blood vessel implant system for up to 30 days. Using advanced technology, healthcare professionals can track the device's performance and your health status, ensuring the system is working optimally for your needs.

This service was performed 965 times for 126 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

This service was performed 394 times for 131 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

This service was performed 390 times for 127 patients

External shock to heart to regulate heart beat

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

This service was performed 21 times for 19 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 58 times for 45 patients

Follow-up hospital inpatient care per day, typically 35 minutes

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

This service was performed 88 times for 38 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 21 times for 21 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 41 times for 40 patients

Insertion of implantable defibrillator system

The insertion of an implantable defibrillator system is a procedure to manage irregular heart rhythms. A small device is placed under your skin, which monitors your heart rate. If it detects an abnormal rhythm, it sends an electrical pulse to restore normal heartbeat.

This service was performed 16 times for 16 patients

Insertion of left lower heart electrode for pacemaker or defibrillator

The procedure involves placing a small electrode in your left lower heart region. This electrode is part of a pacemaker or defibrillator, devices that help regulate your heart rhythm. It's done under local anesthesia, and you may feel mild discomfort.

This service was performed 13 times for 13 patients

Insertion of pacemaker and upper and lower heart chamber electrode

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

This service was performed 28 times for 28 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 17 times for 17 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 17 times for 17 patients

Pacemaker insertion or repair

Pacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.

This service was performed for 72 patients

Programming of dual lead implantable defibrillator system

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

This service was performed 36 times for 24 patients

Programming of dual lead pacemaker system

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

This service was performed 47 times for 32 patients

Programming of dual lead pacemaker system

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

This service was performed 91 times for 63 patients

Programming of multiple lead implantable defibrillator system

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

This service was performed 22 times for 14 patients

Programming of multiple lead implantable defibrillator system

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

This service was performed 54 times for 37 patients

Programming of single lead implantable defibrillator system

Programming of a single lead implantable defibrillator system involves setting up and adjusting a device implanted in your body. This device helps regulate your heartbeat. It can detect irregular heart rhythms and provide corrective electric shocks to restore a normal heartbeat.

This service was performed 17 times for 13 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 430 times for 277 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

This service was performed 343 times for 248 patients

Ultrasound evaluation of heart blood vessel with review by radiologist

This is a noninvasive procedure using sound waves to capture images of your heart's blood vessels. A radiologist, an expert in interpreting these images, will review the results to check for any abnormalities. This helps to monitor your heart health.

This service was performed 13 times for 13 patients

Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes

This procedure involves a doctor administering a medication to reduce your consciousness during a procedure. This helps in managing discomfort and anxiety. The initial application lasts for 15 minutes and is for individuals aged 5 years or older.

This service was performed 33 times for 32 patients

Physician Visit Costs

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 02135 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $144.11
  • Minimum New Patient Price $63.72
  • Maximum New Patient Price $189.86
  • Average New Patient Copayment $36.02
  • Minimum New Patient Copayment $15.93
  • Maximum New Patient Copayment $47.46

Established Patients Visit Costs *

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

  • Average Established Patient Price $111.18
  • Minimum Established Patient Price $21.07
  • Maximum Established Patient Price $155.29
  • Average Established Patient Copayment $27.79
  • Minimum Established Patient Copayment $5.26
  • Maximum Established Patient Copayment $38.82

* 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.

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. Shaw Natan is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
LAWRENCE GENERAL HOSPITALONE GENERAL STREET
LAWRENCE, MA 01842
(978) 683-4000Acute Care Hospitals
ST ELIZABETH'S MEDICAL CENTER736 CAMBRIDGE STREET
BRIGHTON, MA 02135
(617) 789-3000Acute Care Hospitals
GOOD SAMARITAN MEDICAL CENTER235 NORTH PEARL STREET
BROCKTON, MA 02301
(508) 427-3000Acute Care Hospitals

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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 1669688784, we treat the final digit (4) 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 4).

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
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
4
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 6 → 12 → 3 6 → 12 → 3 8 → 16 → 7 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 + 1 + 2 + 9 + 1 + 2 + 8 + 1 + 6 + 7 + 1 + 6 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1669688784.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
736 CAMBRIDGE ST, 4TH FL, CARDIOVASCULAR MEDICINE SUITE, 4TH FL MARGARET'S
BRIGHTON, MA 02135
Internal Medicine (Cardiovascular Disease)
736 CAMBRIDGE ST, 4TH FL, CARDIOVASCULAR MEDICINE SUITE, 4TH FL MARGARET'S
BRIGHTON, MA 02135

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669688784, enumerated as an "individual" on May 15, 2007.

The provider is located at 736 CAMBRIDGE ST, 4TH FL CARDIOVASCULAR MEDICINE SUITE, 4TH FL MARGARET'S BRIGHTON, MA 02135 and the phone number is (617) 562-7690.

Internal Medicine with taxonomy code 207RC0001X and a focus in Clinical Cardiac Electrophysiology.

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

Shaw Natan is affiliated with: LAWRENCE GENERAL HOSPITAL, ST ELIZABETH'S MEDICAL CENTER and GOOD SAMARITAN MEDICAL CENTER.