DRS TREPP & MILLER PC
NPI 1295824720
Dentist - Prosthodontics in Greenwich, CT

NPI Status: Active since October 12, 2006

Contact Information

500 W PUTNAM AVE
GREENWICH, CT
ZIP 06830
Phone: (203) 869-2510
Fax: (203) 869-3327

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  • Organization
  • Dentist
  • Prosthodontics

About DRS TREPP & MILLER PC

This page provides the complete NPI Profile along with additional information for Drs Trepp & Miller Pc, a provider established in Greenwich, Connecticut operating as a Dentist, focusing in prosthodontics . The healthcare provider is registered in the NPI registry with number 1295824720 assigned on October 2006. The practitioner's primary taxonomy code is 1223P0700X. The provider is registered as an organization and their NPI record was last updated one year ago. Drs Trepp & Miller Pc 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 Dr. Douglas M Trepp Dmd (Vice President/sec.)

NPI
1295824720
Provider Name
DRS TREPP & MILLER PC
Entity Type
Organization
Location Address
500 W PUTNAM AVE GREENWICH, CT 06830
Location Phone
(203) 869-2510
Location Fax
(203) 869-3327
Mailing Address
500 W PUTNAM AVE GREENWICH, CT 06830
Mailing Phone
(203) 869-2510
Mailing Fax
(203) 869-3327
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
10-12-2006
Last Update Date
09-11-2025
Code Navigator

A dentist like Drs Trepp & Miller Pc is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist Prosthodontics

Taxonomy Code
1223P0700X
Type
Dental Providers
Taxonomy Description
That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.

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)
11223G0001XDental Providers

Dentist
General Practice

 

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. DOUGLAS M TREPP DMD

Authorized Official Title
VICE PRESIDENT/SEC.
Authorized Official Phone
(203) 869-2510

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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 1295824720, 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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
2
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
2
Doubled → 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 9 → 18 → 9 8 → 16 → 7 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 6 + 2 + 8 + 7 + 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 1295824720.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Physical Therapist
500 W PUTNAM AVE
GREENWICH, CT 06830
Clinic/Center (Endoscopy)
500 W PUTNAM AVE
GREENWICH, CT 06830
Nutritionist
500 W PUTNAM AVE, SUITE 400
GREENWICH, CT 06830
Psychologist
500 W PUTNAM AVE
GREENWICH, CT 06830
Dentist (General Practice)
500 W PUTNAM AVE
GREENWICH, CT 06830
Dentist (Prosthodontics)
500 W PUTNAM AVE
GREENWICH, CT 06830
Counselor (Professional)
500 W PUTNAM AVE, SUITE 400
GREENWICH, CT 06830
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Audiologist
500 W PUTNAM AVE, SUITE 400
GREENWICH, CT 06830
Audiologist
500 W PUTNAM AVE, SUITE 400
GREENWICH, CT 06830
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Nurse Practitioner (Family)
500 W PUTNAM AVE
GREENWICH, CT 06830
Nurse Practitioner (Family)
500 W PUTNAM AVE
GREENWICH, CT 06830
Internal Medicine (Gastroenterology)
500 W PUTNAM AVE, SUITE 100
GREENWICH, CT 06830
Physical Therapist
500 W PUTNAM AVE
GREENWICH, CT 06830

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295824720, enumerated as an "organization" on October 12, 2006.

The provider is located at 500 W PUTNAM AVE GREENWICH, CT 06830 and the phone number is (203) 869-2510.

Dentist with taxonomy code 1223P0700X and a focus in Prosthodontics.