A & S MEDICAL, LLC
NPI 1083181523
Internal Medicine - Gastroenterology in New York, NY

NPI Status: Active since November 01, 2018

Contact Information

30 W 138TH ST
NEW YORK, NY
ZIP 10037
Phone: (212) 690-7400

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  • Organization
  • Internal Medicine
  • Gastroenterology
  • CLIA Number: 31D0111677
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 11-07-2027

About A & S MEDICAL, LLC

This page provides the complete NPI Profile along with additional information for A & S Medical, Llc, an internist established in New York, New York operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1083181523 assigned on November 2018. The practitioner's primary taxonomy code is 207RG0100X. The provider is registered as an organization and their NPI record was last updated 7 years ago. A & S Medical, Llc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Alvaro Genao Md (Owner)

NPI
1083181523
Provider Name
A & S MEDICAL, LLC
Entity Type
Organization
Location Address
30 W 138TH ST NEW YORK, NY 10037
Location Phone
(212) 690-7400
Mailing Address
115 WILLOW AVE HACKENSACK, NJ 07601
Mailing Phone
(917) 991-2565
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
11-01-2018
Last Update Date
01-15-2019
Code Navigator

An internist like A & S Medical, Llc 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.

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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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

ALVARO GENAO MD

Authorized Official Title
OWNER
Authorized Official Phone
(917) 991-2565

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
31D0111677
Facility Type
Physician Office
Certificate Effective Date
November 08, 2025
Certificate Expiration Date
November 07, 2027
Laboratory Director
SAVITA KHOSLA
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to A & S Medical, Llc to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1083181523, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
0
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
3
Unchanged
Pos 5
1
Doubled → 2
Pos 6
8
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
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 1 → 2 1 → 2 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 1 + 6 + 3 + 2 + 8 + 2 + 5 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1083181523.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Skilled Nursing Facility
30 W 138TH ST
NEW YORK, NY 10037
Internal Medicine (Gastroenterology)
30 W 138TH ST
NEW YORK, NY 10037
Occupational Therapist
30 W 138TH ST
NEW YORK, NY 10037
Speech-Language Pathologist
30 W 138TH ST
NEW YORK, NY 10037
Occupational Therapy Assistant
30 W 138TH ST
NEW YORK, NY 10037
Skilled Nursing Facility
30 W 138TH ST
NEW YORK, NY 10037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1083181523, enumerated as an "organization" on November 01, 2018.

The provider is located at 30 W 138TH ST NEW YORK, NY 10037 and the phone number is (212) 690-7400.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.