DR. SUDHIR AGGARWAL M.D., PH.D.
NPI 1588942643
Psychiatry & Neurology - Neurology in Paoli, PA

NPI Status: Active since July 23, 2011

Contact Information

250 W LANCASTER AVE STE 260
PAOLI, PA
ZIP 19301
Phone: (484) 413-2572
Fax: (484) 413-2611

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NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Male
  • Years of Experience 31
  • Psychiatry & Neurology
  • Neurology
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About SUDHIR AGGARWAL

This page provides the complete NPI Profile along with additional information for Sudhir Aggarwal, a provider established in Paoli, Pennsylvania with a medical specialization in Psychiatry & Neurology, focusing in neurology and more than 31 years of experience. The healthcare provider is registered in the NPI registry with number 1588942643 assigned on July 2011. The practitioner's primary taxonomy code is 2084N0400X with license number MD453973C (PA). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1588942643
Provider Name
DR. SUDHIR AGGARWAL M.D., PH.D.
Gender
Male
Entity Type
Individual
Location Address
250 W LANCASTER AVE STE 260 PAOLI, PA 19301
Location Phone
(484) 413-2572
Location Fax
(484) 413-2611
Mailing Address
250 W LANCASTER AVE STE 260 PAOLI, PA 19301
Mailing Phone
(484) 413-2572
Mailing Fax
(484) 413-2611
Medical School Name
OTHER
Graduation Year
1996
Is Sole Proprietor?
No
Enumeration Date
07-23-2011
Last Update Date
02-03-2026
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Location Map

Secondary Locations

  • 729 Montgomery Ave. 201
    Narberth, PA 19072
    (484) 413-2572

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

Psychiatry & Neurology Neurology

Taxonomy Code
2084N0400X
Type
Allopathic & Osteopathic Physicians
License No.
MD453973C
License State
PA
Taxonomy Description
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.

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)
12084V0102XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Vascular Neurology

MD453973C (PA)

Medicare Participation & PECOS Enrollment Status

Sudhir Aggarwal 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.

Sudhir Aggarwal 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: 143516989

    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: I20160906000199

    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.

Administration of psychological or neuropsychological test by technician, each additional 30 minutes

This service involves a technician administering additional psychological or neuropsychological testing. Each session lasts for an extra 30 minutes. These tests assess cognitive abilities, such as memory, attention, and problem-solving skills, to aid in diagnosing or monitoring mental health conditions.

This service was performed 38 times for 18 patients

Administration of psychological or neuropsychological test by technician, first 30 minutes

This procedure involves a trained technician administering a psychological or neuropsychological test. It's a process that assesses your mental function and behavior. The initial session will last 30 minutes. The aim is to understand your cognitive abilities better.

This service was performed 19 times for 19 patients

Advance care planning, first 30 minutes

Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.

This service was performed 259 times for 255 patients

Critical care, first 30-74 minutes

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

This service was performed 69 times for 31 patients

Electrocardiogram (ecg) 1 to 3 leads

An Electrocardiogram (ECG) is a test that checks how your heart is functioning by measuring its electrical activity. It uses 1 to 3 leads or sensors attached to your skin. This test helps identify any heart problems or monitor existing conditions.

This service was performed 162 times for 19 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 88 times for 64 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 431 times for 225 patients

Evaluation of neuropsychological test, first hour

An evaluation of neuropsychological tests is a process to assess your brain's function. It involves tasks designed to measure cognitive abilities such as memory, attention, problem-solving, and language skills. The first hour involves initial testing and observation.

This service was performed 35 times for 21 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 297 times for 162 patients

Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less

This is a procedure where a medical professional inserts a small tube into your vein to deliver medication, nutrients, or fluids directly into your bloodstream. This can be for treatment, prevention, or diagnosis. The process typically takes less than an hour.

This service was performed 179 times for 24 patients

Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less

This procedure involves injecting fluids or medication directly into your vein. It's used for treatment, prevention, or diagnosis. An additional sequential infusion may be given within an hour if needed. This helps to ensure the medicine is distributed effectively in your body.

This service was performed 168 times for 20 patients

Infusion into a vein for therapy, prevention, or diagnosis, each additional hour

This procedure involves delivering medication, fluids, or nutrients directly into your vein. This is done to treat, prevent, or diagnose various conditions. Each additional hour refers to the extended time you may need to receive these substances for optimal results.

This service was performed 377 times for 24 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 186 times for 177 patients

Injection of additional new drug or substance into vein

This procedure involves introducing a new medication or substance into your bloodstream via a vein. It's typically done using a small needle. The substance can help treat various conditions or assist in diagnostic procedures. It's generally safe and monitored by professionals.

This service was performed 494 times for 22 patients

Injection, diphenhydramine hcl, up to 50 mg

Diphenhydramine HCL injection is a medicine given to alleviate symptoms of allergies, colds, or hay fever. It can also help with motion sickness and certain symptoms of Parkinson's disease. Up to 50 mg may be administered depending on your condition.

This service was performed 162 times for 19 patients

Injection, ketorolac tromethamine, per 15 mg

Ketorolac tromethamine is a medication administered through injection, often used to manage moderate to severe pain. Each 15 mg dose helps to reduce hormones causing inflammation and pain in the body. It is not recommended for long-term use.

This service was performed 328 times for 20 patients

Injection, midazolam hydrochloride, per 1 mg

Midazolam hydrochloride is a medication injected to help you relax or sleep before surgery or certain medical procedures. It works by calming the brain and nerves. It's given in small doses, measured in milligrams (mg).

This service was performed 306 times for 14 patients

Injection, onabotulinumtoxina, 1 unit

Onabotulinumtoxina, also known as Botox, is a medication injected into muscles. It's used to treat various conditions by blocking nerve activity in the muscles, causing a temporary reduction in muscle activity. The units refer to the dosage.

This service was performed 4,600 times for 11 patients

Injection, ondansetron hydrochloride, per 1 mg

Ondansetron hydrochloride is a medication given via injection to help prevent nausea and vomiting, often due to chemotherapy or surgery. It works by blocking certain chemicals in the body that trigger these symptoms.

This service was performed 693 times for 19 patients

Measurement of brain wave activity (eeg), awake and drowsy

Measurement of brain wave activity, also known as an EEG, is a non-invasive test that records electrical patterns in your brain. This procedure is done when you're awake and drowsy to understand how your brain functions during different states of consciousness.

This service was performed 71 times for 68 patients

New patient office or other outpatient visit, 60-74 minutes

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

This service was performed 138 times for 138 patients

Ultrasound of both sides of head and neck blood flow

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

This service was performed 156 times for 154 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $34.29 for a new patient copayment and $26.3 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 19301 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $137.17
  • Minimum New Patient Price $59.88
  • Maximum New Patient Price $180.99
  • Average New Patient Copayment $34.29
  • Minimum New Patient Copayment $14.97
  • Maximum New Patient Copayment $45.24

Established Patients Visit Costs *

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

  • Average Established Patient Price $105.21
  • Minimum Established Patient Price $19.3
  • Maximum Established Patient Price $147.29
  • Average Established Patient Copayment $26.3
  • Minimum Established Patient Copayment $4.82
  • Maximum Established Patient Copayment $36.82

* 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. Sudhir Aggarwal is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
PAOLI HOSPITAL255 WEST LANCASTER AVENUE
PAOLI, PA 19301
(610) 648-1000Acute Care Hospitals

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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 1588942643, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
6
Unchanged
Pos 9
4
Doubled → 8
Check
3
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 9 → 18 → 9 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 1 + 8 + 4 + 4 + 6 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1588942643.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588942643, enumerated as an "individual" on July 23, 2011.

The provider is located at 250 W LANCASTER AVE STE 260 PAOLI, PA 19301 and the phone number is (484) 413-2572.

Psychiatry & Neurology with taxonomy code 2084N0400X and a focus in Neurology.

Sudhir Aggarwal is affiliated with: PAOLI HOSPITAL.