MRS. STEPHANIE ROSE O'NEIL
NPI 1912880816
Nurse Practitioner in Portsmouth, NH

NPI Status: Active since July 28, 2025

Contact Information

330 BORTHWICK AVE STE 101
PORTSMOUTH, NH
ZIP 03801
Phone: (603) 436-7171

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  • Individual
  • Female
  • Nurse Practitioner
  • Accepts Insurance

About STEPHANIE O'NEIL

This page provides the complete NPI Profile along with additional information for Stephanie O'neil, a provider established in Portsmouth, New Hampshire with a medical specialization in Nurse Practitioner. The healthcare provider is registered in the NPI registry with number 1912880816 assigned on July 2025. The practitioner's primary taxonomy code is 363L00000X with license number 083803-23 (NH). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1912880816
Provider Name
MRS. STEPHANIE ROSE O'NEIL
Gender
Female
Entity Type
Individual
Location Address
330 BORTHWICK AVE STE 101 PORTSMOUTH, NH 03801
Location Phone
(603) 436-7171
Mailing Address
13 APACHE ST DOVER, NH 03820
Mailing Phone
(781) 686-6159
Is Sole Proprietor?
No
Enumeration Date
07-28-2025
Last Update Date
07-28-2025
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A nurse practitioner (NP) like Stephanie O'neil is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner

Taxonomy Code
363L00000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
083803-23
License State
NH
Taxonomy Description
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Anthem Bronze Preferred Blue PPO 6000/20%/8000 w/HSA - PPO
  • Anthem Bronze Preferred Blue PPO 7000/50%/8000 w/HSA - PPO
  • Anthem Bronze Preferred Blue PPO 7500/30%/10000 Value - PPO
  • Anthem Bronze Preferred Blue PPO 8500/50%/9200 - PPO
  • Anthem Gold Preferred Blue PPO 1000/20%/7500 - PPO
  • Anthem Gold Preferred Blue PPO 2000/0%/6500 RxD - PPO
  • Anthem Gold Preferred Blue PPO 2000/10%/4600 w/HSA - PPO
  • Anthem Gold Preferred Blue PPO 2000/10%/7500 - PPO
  • Anthem Gold Preferred Blue PPO 2000/20%/4600 w/HSA - PPO
  • Anthem Gold Preferred Blue PPO 3000/0%/7500 RxD - PPO
  • Anthem Gold Preferred Blue PPO 500/30%/9000 - PPO
  • Anthem Platinum Preferred Blue PPO 250/10%/3500 - PPO
  • Anthem Silver Preferred Blue PPO 2500/30%/10000 Value - PPO
  • Anthem Silver Preferred Blue PPO 3000/30%/9000 Value - PPO
  • Anthem Silver Preferred Blue PPO 3500/20%/10000 - PPO
  • Anthem Silver Preferred Blue PPO 3500/20%/7250 w/HSA - PPO
  • Anthem Silver Preferred Blue PPO 4000/0%/9000 - PPO
  • Anthem Silver Preferred Blue PPO 4000/0%/9000 RxD - PPO
  • Anthem Silver Preferred Blue PPO 4000/10%/7250 w/HSA - PPO
  • Anthem Silver Preferred Blue PPO 4000/20%/8500 - PPO
  • Anthem Bronze Pathway X Enhanced 6000/35% HSA - HMO
  • Anthem Bronze Pathway X Enhanced 7000/0% ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Bronze Pathway X Enhanced 7500/50% ($0 Virtual PCP + $0 Select Drugs) Standard - HMO
  • Anthem Catastrophic Pathway X Enhanced - HMO
  • Anthem Gold Pathway X Enhanced 1200/20% ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Gold Pathway X Enhanced 2000/25% ($0 Virtual PCP + $0 Select Drug) Standard - HMO
  • Anthem Gold Pathway X Enhanced 700/40% ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Bronze Pathway X Enhanced 6000/40% ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Heart Healthy Silver Pathway X Enhanced 4000/0% ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway X Enhanced 4500/20% HSA - HMO
  • Anthem Silver Pathway X Enhanced 5500/20% ($0 Virtual PCP + $0 Select Drugs) - HMO
  • Anthem Silver Pathway X Enhanced 6000/40% ($0 Virtual PCP + $0 Select Drugs) Standard - HMO
  • Anthem Bronze Access Blue New England HMO 6000/20%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7000/50%/8000 w/HSA - HMO
  • Anthem Bronze Access Blue New England HMO 7500/30%/10000 Value - HMO
  • Anthem Bronze Access Blue New England HMO 8500/50%/9200 - HMO
  • Anthem Bronze Pathway X HMO 6000/20%/8000 w/HSA - HMO
  • Anthem Bronze Pathway X HMO 7000/50%/8000 w/HSA - HMO
  • Anthem Bronze Pathway X HMO 7500/30%/10000 Value - HMO
  • Anthem Bronze Pathway X HMO 8500/50%/9200 - HMO
  • WellSense Clarity NH Bronze 6500 HSA + $0 Rx List + 24/7 Nurse Advice - HMO
  • WellSense Clarity NH Bronze 7500 HSA + $0 Rx List + 24/7 Nurse Advice - HMO
  • WellSense Clarity NH Bronze 7600 HSA + $0 Rx List + 24/7 Nurse Advice - HMO
  • WellSense Clarity NH Gold 2000 + $0 Rx List + 24/7 Nurse Advice - HMO
  • WellSense Clarity NH Silver 0 Deductible + $0 Rx List + 24/7 Nurse Advice - HMO
  • WellSense Clarity NH Silver 3400 + $0 Rx List + 24/7 Nurse Advice - HMO
  • WellSense Clarity NH Silver 6000 + $0 Rx List + 24/7 Nurse Advice - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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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 1912880816, 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 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.

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

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 1 + 6 + 8 + 0 + 8 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1912880816.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Pediatrics
330 BORTHWICK AVE STE 101
PORTSMOUTH, NH 03801
Pediatrics
330 BORTHWICK AVE STE 101
PORTSMOUTH, NH 03801
Nurse Practitioner (Family)
330 BORTHWICK AVE STE 101
PORTSMOUTH, NH 03801
Pediatrics
330 BORTHWICK AVE STE 101
PORTSMOUTH, NH 03801

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912880816, enumerated as an "individual" on July 28, 2025.

The provider is located at 330 BORTHWICK AVE STE 101 PORTSMOUTH, NH 03801 and the phone number is (603) 436-7171.

Nurse Practitioner with taxonomy code 363L00000X.

The provider might be accepting Accepts: Anthem Blue Cross and Blue Sheld, Anthem Blue. Please consult your insurance carrier or call the provider to verify.