COLLEEN HOLLIS
NPI 1801740436
Registered Nurse - Registered Nurse First Assistant in Paoli, PA
NPI Status: Active since February 23, 2026
Contact Information
255 W LANCASTER AVE
PAOLI, PA
ZIP 19301
Phone: (484) 565-1000
- Individual
- Female
- Registered Nurse
- Registered Nurse First Assistant
About COLLEEN HOLLIS
This page provides the complete NPI Profile along with additional information for Colleen Hollis, a provider established in Paoli, Pennsylvania with a medical specialization in Registered Nurse, focusing in registered nurse first assistant . The healthcare provider is registered in the NPI registry with number 1801740436 assigned on February 2026. The practitioner's primary taxonomy code is 163WR0006X with license number RN584800 (PA). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1801740436
- Provider Name
- COLLEEN HOLLIS
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 255 W LANCASTER AVE PAOLI, PA 19301
- Location Phone
- (484) 565-1000
- Mailing Address
- 5 NEWLIN WAY GLEN MILLS, PA 19342
- Mailing Phone
- (484) 880-2947
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-23-2026
- Last Update Date
- 02-23-2026
- Code Navigator
A registered nurse (RN) like Colleen Hollis coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.
Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.
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
Registered Nurse Registered Nurse First Assistant
- Taxonomy Code
- 163WR0006X
- Type
- Nursing Service Providers
- License No.
- RN584800
- License State
- PA
- Taxonomy Description
- A perioperative registered nurse who works in collaboration with the surgeon and other health care team members to achieve optimal outcomes. The RNFA has acquired the necessary knowledge, judgment, and skills specific to the expanded role of RNFA clinical practice. Intraoperatively, the RNFA assists the surgeon.
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 | 163WR0006X | Nursing Service Providers | Registered Nurse | RN9506275 (FL) |
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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 1801740436, we treat the final digit (6) 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 6).
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 54 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
PAOLI, PA 19301
PAOLI, PA 19301
PAOLI, PA 19301
PAOLI, PA 19301
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1801740436, enumerated as an "individual" on February 23, 2026.
The provider is located at 255 W LANCASTER AVE PAOLI, PA 19301 and the phone number is (484) 565-1000.
Registered Nurse with taxonomy code 163WR0006X and a focus in Registered Nurse First Assistant.
