OFFSITE SOFFER CARDIOLOGY
NPI 1821360223
Internal Medicine - Interventional Cardiology in New York, NY

NPI Status: Active since January 31, 2012

Contact Information

485 MADISON AVE
17TH FLOOR
NEW YORK, NY
ZIP 10022
Phone: (212) 752-2700
Fax: (212) 731-6753

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  • Organization
  • Internal Medicine
  • Interventional Cardiology
  • CLIA Number: 33D2330649
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-26-2027

About OFFSITE SOFFER CARDIOLOGY

This page provides the complete NPI Profile along with additional information for Offsite Soffer Cardiology, an internist established in New York, New York operating as a Internal Medicine, focusing in interventional cardiology . The healthcare provider is registered in the NPI registry with number 1821360223 assigned on January 2012. The practitioner's primary taxonomy code is 207RI0011X. The provider is registered as an organization and their NPI record was last updated 14 years ago. Offsite Soffer Cardiology operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's is doing business as Offsite Soffer Cardiology. The authorized official of this NPI record is Crystal Macneill (Cbo Director, Vice President)

NPI
1821360223
Provider Legal Name
MOUNT SINAI SCHOOL OF MEDICINE
Other Organization Name
OFFSITE SOFFER CARDIOLOGY
Other Name Type
Doing Business As (3)
Entity Type
Organization
Location Address
485 MADISON AVE 17TH FLOOR NEW YORK, NY 10022
Location Phone
(212) 752-2700
Location Fax
(212) 731-6753
Mailing Address
1 GUSTAVE L LEVY PL BOX 1621 NEW YORK, NY 10029
Mailing Phone
(212) 731-7906
Mailing Fax
(212) 731-6753
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-31-2012
Last Update Date
08-23-2012
Code Navigator

An internist like Offsite Soffer Cardiology 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 Interventional Cardiology

Taxonomy Code
207RI0011X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

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)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

 

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

CRYSTAL MACNEILL

Authorized Official Title
CBO DIRECTOR, VICE PRESIDENT
Authorized Official Phone
(212) 731-6802

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
33D2330649
Facility Type
Physician Office
Certificate Effective Date
September 19, 2025
Certificate Expiration Date
March 26, 2027
Laboratory Director
DR. DEBORAH R. KORENSTEIN
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Offsite Soffer Cardiology 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 1821360223, 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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
3
Doubled → 6
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
2
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 2 → 4 3 → 6 0 → 0 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 6 + 6 + 0 + 2 + 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 1821360223.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
485 MADISON AVE, 17TH FLOOR
NEW YORK, NY 10022
Internal Medicine (Cardiovascular Disease)
485 MADISON AVE, 17TH FLOOR
NEW YORK, NY 10022
Pharmacist
485 MADISON AVE
NEW YORK, NY 10022
Orthopaedic Surgery (Sports Medicine)
485 MADISON AVE, 8TH FLOOR
NEW YORK, NY 10022
Occupational Therapist
485 MADISON AVE, 8TH FLOOR
NEW YORK, NY 10022
Acupuncturist
485 MADISON AVE, 8TH FLOOR
NEW YORK, NY 10022
Occupational Therapist
485 MADISON AVE, 8TH FLOOR
NEW YORK, NY 10022
Acupuncturist
485 MADISON AVE, 8TH FLOOR
NEW YORK, NY 10022
Acupuncturist
485 MADISON AVE, 8TH FLOOR
NEW YORK, NY 10022
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
485 MADISON AVE, FL 8
NEW YORK, NY 10022
Pharmacist
485 MADISON AVE
NEW YORK, NY 10022

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821360223, enumerated as an "organization" on January 31, 2012.

The provider is located at 485 MADISON AVE 17TH FLOOR NEW YORK, NY 10022 and the phone number is (212) 752-2700.

Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.