DR. DAVID TODD GREENSPUN M.D.
NPI 1336248970
Plastic Surgery in Greenwich, CT

NPI Status: Active since September 21, 2006

Contact Information

2 GREENWICH OFFICE PARK STE 210
GREENWICH, CT
ZIP 06831
Phone: (032) 863-0003
Fax: (212) 265-1776

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  • Individual
  • Male
  • Plastic Surgery
  • Opted-Out Medicare

About DAVID GREENSPUN

This page provides the complete NPI Profile along with additional information for David Greenspun, a provider established in Greenwich, Connecticut with a medical specialization in Plastic Surgery. The healthcare provider is registered in the NPI registry with number 1336248970 assigned on September 2006. The practitioner's primary taxonomy code is 208200000X with license number 222157 (NY). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1336248970
Provider Name
DR. DAVID TODD GREENSPUN M.D.
Gender
Male
Entity Type
Individual
Location Address
2 GREENWICH OFFICE PARK STE 210 GREENWICH, CT 06831
Location Phone
(032) 863-0003
Location Fax
(212) 265-1776
Mailing Address
1776 BROADWAY SUITE 1200 NEW YORK, NY 10019
Mailing Phone
(212) 744-1200
Mailing Fax
(212) 265-1776
Is Sole Proprietor?
Yes
Enumeration Date
09-21-2006
Last Update Date
08-28-2019
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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. David Greenspun opted out of Medicare effective on 08-04-2022 until 08-04-2026. 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

Plastic Surgery

Taxonomy Code
208200000X
Type
Allopathic & Osteopathic Physicians
License No.
222157
License State
NY
Taxonomy Description
A plastic surgeon deals with the repair, reconstruction or replacement of physical defects of form or function involving the skin, musculoskeletal system, craniomaxillofacial structures, hand, extremities, breast and trunk and external genitalia or cosmetic enhancement of these areas of the body. Cosmetic surgery is an essential component of plastic surgery. The plastic surgeon uses cosmetic surgical principles to both improve overall appearance and to optimize the outcome of reconstructive procedures. The surgeon uses aesthetic surgical principles not only to improve undesirable qualities of normal structures but in all reconstructive procedures as well.

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)
1208200000XAllopathic & Osteopathic Physicians

Plastic Surgery

045603 (CT)

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: 08-04-2022

  • Opt-Out End Date: 08-04-2026

  • 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 1336248970, we treat the final digit (0) 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 0).

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
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
2
Doubled → 4
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
0
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 3 → 6 2 → 4 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 6 + 6 + 4 + 4 + 1 + 6 + 9 + 1 + 4 + 24 = 70

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

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

70 - 70 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1336248970.

Other Providers at the Same Location


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

Plastic Surgery
2 GREENWICH OFFICE PARK STE 210
GREENWICH, CT 06831
Surgery (Plastic and Reconstructive Surgery)
2 GREENWICH OFFICE PARK STE 210
GREENWICH, CT 06831
Plastic Surgery
2 GREENWICH OFFICE PARK STE 210
GREENWICH, CT 06831

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336248970, enumerated as an "individual" on September 21, 2006.

The provider is located at 2 GREENWICH OFFICE PARK STE 210 GREENWICH, CT 06831 and the phone number is (032) 863-0003.

Plastic Surgery with taxonomy code 208200000X.