DR. NICHOLAS HARRIS MD
NPI 1356904726
Psychiatry & Neurology - Neurology with Special Qualifications in Child Neurology in New York, NY

NPI Status: Active since April 20, 2019

Contact Information

633 3RD AVE
MSCKCC-PBD/4TH FLOOR
NEW YORK, NY
ZIP 10017
Phone: (646) 227-3764

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  • Individual
  • Male
  • Years of Experience 7
  • Psychiatry & Neurology
  • Neurology with Special Qualifications in...
  • May Accept Medicare Approved Payment
  • PECOS Enrolled

About NICHOLAS HARRIS

This page provides the complete NPI Profile along with additional information for Nicholas Harris, a provider established in New York, New York with a medical specialization in Psychiatry & Neurology, focusing in neurology with special qualifications in child neurology and more than 7 years of experience. He graduated from State University Of New York Downstate Medical Center in 2019. The healthcare provider is registered in the NPI registry with number 1356904726 assigned on April 2019. The practitioner's primary taxonomy code is 2084N0402X with license number 338664-01 (NY). The provider is registered as an individual and his NPI record was last updated March 2026.

NPI
1356904726
Provider Name
DR. NICHOLAS HARRIS MD
Gender
Male
Entity Type
Individual
Location Address
633 3RD AVE MSCKCC-PBD/4TH FLOOR NEW YORK, NY 10017
Location Phone
(646) 227-3764
Mailing Address
633 3RD AVE MSK-CC PBD 4TH FLOOR NEW YORK, NY 10017
Mailing Phone
(646) 227-3764
Medical School Name
STATE UNIVERSITY OF NEW YORK DOWNSTATE MEDICAL CENTER
Graduation Year
2019
Is Sole Proprietor?
Yes
Enumeration Date
04-20-2019
Last Update Date
03-05-2026
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Location Map

Secondary Locations

  • 505 E 70th St Fl 6
    New York, NY 10021
    (212) 746-3278

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 with Special Qualifications in Child Neurology

Taxonomy Code
2084N0402X
Type
Allopathic & Osteopathic Physicians
License No.
338664-01
License State
NY
Taxonomy Description
A Child Neurologist specializes in neurology with special skills in diagnosis and treatment of neurologic disorders of the neonatal period, infancy, early childhood, and adolescence.

Medicare Participation & PECOS Enrollment Status

Nicholas Harris 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.

Nicholas Harris 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: 8123502176

    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: I20260318001935

    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

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 10017 ZIP code area.

New Patients Visit Costs *

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

  • Average New Patient Price $150.24
  • Minimum New Patient Price $65.69
  • Maximum New Patient Price $198.19
  • Average New Patient Copayment $37.56
  • Minimum New Patient Copayment $16.42
  • Maximum New Patient Copayment $49.54

Established Patients Visit Costs *

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

  • Average Established Patient Price $114.88
  • Minimum Established Patient Price $21.2
  • Maximum Established Patient Price $160.66
  • Average Established Patient Copayment $28.72
  • Minimum Established Patient Copayment $5.3
  • Maximum Established Patient Copayment $40.16

* 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.

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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 1356904726, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
3
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
6
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
6
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 5 → 10 → 1 9 → 18 → 9 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 0 + 6 + 1 + 8 + 0 + 8 + 7 + 4 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1356904726.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Physician Assistant
633 3RD AVE, BOX 3
NEW YORK, NY 10017
In Home Supportive Care
633 3RD AVE, 6TH FLOOR
NEW YORK, NY 10017
Community Health Worker
633 3RD AVE, 6TH FLOOR
NEW YORK, NY 10017
Day Training, Developmentally Disabled Services
633 3RD AVE, 6TH FLOOR
NEW YORK, NY 10017
Nurse Practitioner (Adult Health)
633 3RD AVE, FLOOR 28, OFFICE #2800A
NEW YORK, NY 10017
Physician Assistant (Medical)
633 3RD AVE
NEW YORK, NY 10017
Counselor (Mental Health)
633 3RD AVE
NEW YORK, NY 10017
Nurse Anesthetist, Certified Registered
633 3RD AVE, BOX 3
NEW YORK, NY 10017
Psychologist (Clinical)
633 3RD AVE
NEW YORK, NY 10017
Psychiatry & Neurology (Psychiatry)
633 3RD AVE
NEW YORK, NY 10017
Radiology (Diagnostic Radiology)
633 3RD AVE, MSKCC-PBD/4TH FL
NEW YORK, NY 10017
Nuclear Medicine (Nuclear Imaging & Therapy)
633 3RD AVE
NEW YORK, NY 10017

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1356904726, enumerated as an "individual" on April 20, 2019.

The provider is located at 633 3RD AVE MSCKCC-PBD/4TH FLOOR NEW YORK, NY 10017 and the phone number is (646) 227-3764.

Psychiatry & Neurology with taxonomy code 2084N0402X and a focus in Neurology with Special Qualifications in Child Neurology.