MARCELA CASTANEDA-FLACHSLAND MS
NPI 1194688689
Student in an Organized Health Care Education/Training Program in New York, NY

NPI Status: Active since December 03, 2025

Contact Information

83 MAIDEN LN
NEW YORK, NY
ZIP 10038
Phone: (212) 780-2500

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  • Individual
  • Female
  • Student in an Organized Health Care Educ...

About MARCELA CASTANEDA-FLACHSLAND

This page provides the complete NPI Profile along with additional information for Marcela Castaneda-flachsland, a primary care provider established in New York, New York with a medical specialization in Student In An Organized Health Care Education/training Program. The healthcare provider is registered in the NPI registry with number 1194688689 assigned on December 2025. The practitioner's primary taxonomy code is 390200000X. The provider is registered as an individual and her NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization.

NPI
1194688689
Provider Name
MARCELA CASTANEDA-FLACHSLAND MS
Gender
Female
Entity Type
Individual
Location Address
83 MAIDEN LN NEW YORK, NY 10038
Location Phone
(212) 780-2500
Mailing Address
108 PALISADE AVE APT 5C CLIFFSIDE PARK, NJ 07010
Mailing Phone
(732) 547-8319
Is Sole Proprietor?
Yes
Enumeration Date
12-03-2025
Last Update Date
12-03-2025
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A primary care provider (PCP) like Marcela Castaneda-flachsland sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Student in an Organized Health Care Education/Training Program

Taxonomy Code
390200000X
Type
Student, Health Care
License State
NY
Taxonomy Description
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

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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 1194688689, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
1
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
4
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
9
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 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 + 1 + 1 + 8 + 4 + 1 + 2 + 8 + 1 + 6 + 6 + 1 + 6 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1194688689.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Registered Nurse (Pediatrics)
83 MAIDEN LN, 7TH FLOOR
NEW YORK, NY 10038
Nurse Practitioner (Family)
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN, 5TH FLOOR
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN
NEW YORK, NY 10038
Psychologist
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN, 5TH FLOOR
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN
NEW YORK, NY 10038
Psychologist (Clinical)
83 MAIDEN LN, 5TH FLOOR
NEW YORK, NY 10038
Social Worker
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN, 6TH FLOOR
NEW YORK, NY 10038
Psychologist
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN
NEW YORK, NY 10038
Counselor (Mental Health)
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker (Clinical)
83 MAIDEN LN
NEW YORK, NY 10038
Dietitian, Registered
83 MAIDEN LN
NEW YORK, NY 10038
Social Worker
83 MAIDEN LN, 5TH FLOOR
NEW YORK, NY 10038
Physical Therapist
83 MAIDEN LN
NEW YORK, NY 10038
Psychologist
83 MAIDEN LN, AHRC - 5TH FLOOR
NEW YORK, NY 10038

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1194688689, enumerated as an "individual" on December 03, 2025.

The provider is located at 83 MAIDEN LN NEW YORK, NY 10038 and the phone number is (212) 780-2500.

Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.