YEFIN I SOSONKIN PHYSICIAN PC
NPI 1104031392
General Practice in Brooklyn, NY

NPI Status: Active since May 11, 2007

Contact Information

2221 OCEAN AVE
BROOKLYN, NY
ZIP 11229
Phone: (718) 787-0333
Fax: (718) 787-1468

Get Directions Write a Review

  • Organization
  • General Practice

About YEFIN I SOSONKIN PHYSICIAN PC

This page provides the complete NPI Profile along with additional information for Yefin I Sosonkin Physician Pc, a primary care provider established in Brooklyn, New York operating as a General Practice. The healthcare provider is registered in the NPI registry with number 1104031392 assigned on May 2007. The practitioner's primary taxonomy code is 208D00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Yefin I Sosonkin Physician Pc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is Dr. Yefim Isaak Sosonkin M.d., D.o. (President)

NPI
1104031392
Provider Legal Name
YEFIN I SOSONKIN PHYSICIAN PC
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
2221 OCEAN AVE BROOKLYN, NY 11229
Location Phone
(718) 787-0333
Location Fax
(718) 787-1468
Mailing Address
PO BOX 297154 BROOKLYN, NY 11229
Mailing Phone
(718) 787-0333
Mailing Fax
(718) 787-1468
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-11-2007
Last Update Date
09-11-2025
Code Navigator

A primary care provider (PCP) like Yefin I Sosonkin Physician Pc 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

General Practice

Taxonomy Code
208D00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee

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)
1208100000XAllopathic & Osteopathic Physicians

Physical Medicine & Rehabilitation

 

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

DR. YEFIM ISAAK SOSONKIN M.D., D.O.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(718) 787-0333

Reviews for YEFIN I SOSONKIN PHYSICIAN PC

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1104031392, we treat the final digit (2) 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 0 + 3 + 2 + 3 + 1 + 8 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1104031392.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Family Medicine (Adolescent Medicine)
2221 OCEAN AVE
BROOKLYN, NY 11229

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104031392, enumerated as an "organization" on May 11, 2007.

The provider is located at 2221 OCEAN AVE BROOKLYN, NY 11229 and the phone number is (718) 787-0333.

General Practice with taxonomy code 208D00000X.