GUSTAVO GARCIA
NPI 1245977214
Internal Medicine - Hematology & Oncology in New York, NY

NPI Status: Active since May 19, 2022

Contact Information

100 E 77TH ST
NEW YORK, NY
ZIP 10075
Phone: (212) 434-2158

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  • Individual
  • Male
  • Internal Medicine
  • Hematology & Oncology

About GUSTAVO GARCIA

This page provides the complete NPI Profile along with additional information for Gustavo Garcia, an internist established in New York, New York with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1245977214 assigned on May 2022. The practitioner's primary taxonomy code is 207RH0003X with license number 337687 (NY). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1245977214
Provider Name
GUSTAVO GARCIA
Gender
Male
Entity Type
Individual
Location Address
100 E 77TH ST NEW YORK, NY 10075
Location Phone
(212) 434-2158
Mailing Address
100 E 77TH ST NEW YORK, NY 10075
Mailing Phone
(212) 434-2158
Is Sole Proprietor?
No
Enumeration Date
05-19-2022
Last Update Date
06-11-2025
Code Navigator

An internist like Gustavo Garcia 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 Hematology & Oncology

Taxonomy Code
207RH0003X
Type
Allopathic & Osteopathic Physicians
License No.
337687
License State
NY
Taxonomy Description
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

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)
1390200000XStudent, Health Care

Student in an Organized Health Care Education/Training Program

 

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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 1245977214, 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 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
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
2
Unchanged
Pos 9
1
Doubled → 2
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 4 → 8 9 → 18 → 9 7 → 14 → 5 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 1 + 8 + 7 + 1 + 4 + 2 + 2 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1245977214.

Other Providers at the Same Location


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

Pediatrics (Neonatal-Perinatal Medicine)
100 E 77TH ST
NEW YORK, NY 10075
Internal Medicine (Hematology)
100 E 77TH ST, DEPT OF MEDICINE, 6TH FLOOR
NEW YORK, NY 10075
Internal Medicine
100 E 77TH ST
NEW YORK, NY 10075
Radiology (Diagnostic Radiology)
100 E 77TH ST
NEW YORK, NY 10075
Emergency Medicine
100 E 77TH ST
NEW YORK, NY 10075
Emergency Medicine
100 E 77TH ST
NEW YORK, NY 10075
Pathology (Anatomic Pathology & Clinical Pathology)
100 E 77TH ST
NEW YORK, NY 10075
Radiology (Diagnostic Radiology)
100 E 77TH ST
NEW YORK, NY 10075
Internal Medicine (Critical Care Medicine)
100 E 77TH ST, LENOX HILL HOSPITAL
NEW YORK, NY 10075
Urology
100 E 77TH ST, 4TH FLOOR, EAST BLDG
NEW YORK, NY 10075
Physician Assistant (Surgical)
100 E 77TH ST, DIVISION OF VASCULAR SURGERY
NEW YORK, NY 10075
Pharmacist
100 E 77TH ST, DEPARTMENT OF PHARMACY
NEW YORK, NY 10075
Physician Assistant (Medical)
100 E 77TH ST, DEPT CARDIOVASCULAR MEDICINE
NEW YORK, NY 10075
Speech-Language Pathologist
100 E 77TH ST
NEW YORK, NY 10075
Surgery
100 E 77TH ST
NEW YORK, NY 10075
Physician Assistant (Surgical)
100 E 77TH ST
NEW YORK, NY 10075
General Acute Care Hospital
100 E 77TH ST
NEW YORK, NY 10075
Physician Assistant
100 E 77TH ST
NEW YORK, NY 10075
Obstetrics & Gynecology (Maternal & Fetal Medicine)
100 E 77TH ST
NEW YORK, NY 10075
Emergency Medicine
100 E 77TH ST
NEW YORK, NY 10075

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245977214, enumerated as an "individual" on May 19, 2022.

The provider is located at 100 E 77TH ST NEW YORK, NY 10075 and the phone number is (212) 434-2158.

Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.