GRETCHEN WINTERKORN LMSW
NPI 1376821868
Social Worker in New York, NY

NPI Status: Active since August 01, 2011

Contact Information

121 W 20TH ST
NEW YORK, NY
ZIP 10011
Phone: (212) 337-9277

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  • Individual
  • Female
  • Social Worker
  • Opted-Out Medicare

About GRETCHEN WINTERKORN

This page provides the complete NPI Profile along with additional information for Gretchen Winterkorn, a provider established in New York, New York with a medical specialization in Social Worker. The healthcare provider is registered in the NPI registry with number 1376821868 assigned on August 2011. The practitioner's primary taxonomy code is 104100000X with license number 080258 (NY). The provider is registered as an individual and her NPI record was last updated 13 years ago.

NPI
1376821868
Provider Name
GRETCHEN WINTERKORN LMSW
Gender
Female
Entity Type
Individual
Location Address
121 W 20TH ST NEW YORK, NY 10011
Location Phone
(212) 337-9277
Mailing Address
121 W 20TH ST NEW YORK, NY 10011
Is Sole Proprietor?
No
Enumeration Date
08-01-2011
Last Update Date
04-12-2013
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A social worker like Gretchen Winterkorn helps patients solve and cope with problems in their everyday lives, diagnoses and treats mental, behavioral, and emotional problems. Social workers help in wide range of situations, such as adopting a child, illness, divorce, or unemployment.

The provider doesn't accept Medicare and has signed an affidavit to be excluded from the Medicare program. If you are a Medicare beneficiary this means a provider can charge whatever they want for services rendered but must follow certain rules to do so. Gretchen Winterkorn opted out of Medicare effective on 04-21-2021 until 04-21-2027. Opt out periods last for two years and cannot be terminated unless the provider is opting out for the very first time and the affidavit is terminated no later than 90 days after the opt out effective date. Opt-out affidavits might renew automatically renew every two years. The provider opted out of Medicare and cannot order and refer services to other healthcare providers.

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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

Social Worker

Taxonomy Code
104100000X
Type
Behavioral Health & Social Service Providers
License No.
080258
License State
NY
Taxonomy Description
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Medicare Participation & PECOS Enrollment Status

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Opted-Out of Medicare? Yes

  • Opt-Out Effective Date: 04-21-2021

  • Opt-Out End Date: 04-21-2027

  • Eligible to Order and Refer? No

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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 1376821868, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
3
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
6
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
8
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 7 → 14 → 5 8 → 16 → 7 1 → 2 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 4 + 6 + 1 + 6 + 2 + 2 + 8 + 1 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1376821868.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Nurse Practitioner (Adult Health)
121 W 20TH ST
NEW YORK, NY 10011
Internal Medicine (Pulmonary Disease)
121 W 20TH ST, LOWER LEVEL
NEW YORK, NY 10011
Clinic/Center (Adult Day Care)
121 W 20TH ST
NEW YORK, NY 10011

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1376821868, enumerated as an "individual" on August 01, 2011.

The provider is located at 121 W 20TH ST NEW YORK, NY 10011 and the phone number is (212) 337-9277.

Social Worker with taxonomy code 104100000X.