MR. DANIEL J. DUFFY SURIGICAL ASSIST(SA)
NPI 1629471610
General Acute Care Hospital in Castle Rock, CO
NPI Status: Active since October 03, 2014
Contact Information
4872 N SILVERLACE DR
CASTLE ROCK, CO
ZIP 80109
Phone: (720) 290-1373
- Individual
- Male
- General Acute Care Hospital
About DANIEL DUFFY
This page provides the complete NPI Profile along with additional information for Daniel Duffy, a provider established in Castle Rock, Colorado with a medical specialization in General Acute Care Hospital. The healthcare provider is registered in the NPI registry with number 1629471610 assigned on October 2014. The practitioner's primary taxonomy code is 282N00000X with license number 246ZC0007X (CO). The provider is registered as an individual and his NPI record was last updated 12 years ago.
- NPI
- 1629471610
- Provider Name
- MR. DANIEL J. DUFFY SURIGICAL ASSIST(SA)
- Other Name
- MR. DANIEL J. DUFFY SA
- Other Name Type
- Other Name (5)
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4872 N SILVERLACE DR CASTLE ROCK, CO 80109
- Location Phone
- (720) 290-1373
- Mailing Address
- 4872 N SILVERLACE DR CASTLE ROCK, CO 80109
- Mailing Phone
- (720) 290-1373
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 10-03-2014
- Last Update Date
- 10-03-2014
- Code Navigator
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 Acute Care Hospital
- Taxonomy Code
- 282N00000X
- Type
- Hospitals
- License No.
- 246ZC0007X
- License State
- CO
- Taxonomy Description
- An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.
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) |
|---|---|---|---|---|
| 1 | 246ZC0007X | Technologists, Technicians & Other Technical Service Providers | Specialist/Technologist, Other | 14-503 (CO) |
Reviews for MR. DANIEL J. DUFFY SURIGICAL ASSIST(SA)
5 out of 5 stars - Review by Paul ***** on September 10, 2025
Dan was great. My scar looks amazing. He only billed my insurance and there were no other bills from him. He has assisted with my family members surgeries as well. They all have done amazing. Thank you Dan for your great work and care.
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 1629471610, 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1629471610, enumerated as an "individual" on October 03, 2014.
The provider is located at 4872 N SILVERLACE DR CASTLE ROCK, CO 80109 and the phone number is (720) 290-1373.
General Acute Care Hospital with taxonomy code 282N00000X.
