MRS. JOYCE DAQNAL SHIELDS PMHCNS-BC CGP
NPI 1841642725
Clinical Nurse Specialist - Psychiatric/Mental Health, Adult in Belmont, MA

NPI Status: Active since July 05, 2016

Contact Information

132 OAKLEY RD
BELMONT, MA
ZIP 02478
Phone: (617) 645-4959

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  • Individual
  • Female
  • Clinical Nurse Specialist
  • Psychiatric/Mental Health, Adult
  • Opted-Out Medicare

About JOYCE SHIELDS

This page provides the complete NPI Profile along with additional information for Joyce Shields, a provider established in Belmont, Massachusetts with a medical specialization in Clinical Nurse Specialist, focusing in psychiatric/mental health, adult . The healthcare provider is registered in the NPI registry with number 1841642725 assigned on July 2016. The practitioner's primary taxonomy code is 364SP0809X with license number RN121047 (MA). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI
1841642725
Provider Name
MRS. JOYCE DAQNAL SHIELDS PMHCNS-BC CGP
Gender
Female
Entity Type
Individual
Location Address
132 OAKLEY RD BELMONT, MA 02478
Location Phone
(617) 645-4959
Mailing Address
132 OAKLEY RD BELMONT, MA 02478
Mailing Phone
(617) 645-4959
Is Sole Proprietor?
Yes
Enumeration Date
07-05-2016
Last Update Date
03-27-2020
Code Navigator

A Clinical Nurse Specialist (CNS) like Joyce Shields is a type of advanced practice registered nurse (APRN) that provides direct patient care in various nursing specialties, including pediatrics or psychiatric-mental health. CNSs collaborate with other nurses and medical professionals to improve patient care quality. CNSs are often positioned in leadership roles where they may provide education and mentorship to other nursing personnel. Additionally, CNSs may also conduct research and advocate for certain healthcare policies.

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. Joyce Shields opted out of Medicare effective on 08-08-2022 until 08-08-2026. 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

Clinical Nurse Specialist Psychiatric/Mental Health, Adult

Taxonomy Code
364SP0809X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN121047
License State
MA

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: 08-08-2022

  • Opt-Out End Date: 08-08-2026

  • 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 1841642725, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
5
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 4 → 8 6 → 12 → 3 2 → 4 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 1 + 2 + 4 + 4 + 7 + 4 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1841642725.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841642725, enumerated as an "individual" on July 05, 2016.

The provider is located at 132 OAKLEY RD BELMONT, MA 02478 and the phone number is (617) 645-4959.

Clinical Nurse Specialist with taxonomy code 364SP0809X and a focus in Psychiatric/Mental Health, Adult.