MS. CAROLYN NIGHTINGALE RIKER MSN, CPNP-AC/PC
NPI 1952949729
Surgery - Pediatric Surgery in Portland, ME

NPI Status: Active since December 12, 2019

Contact Information

22 BRAMHALL ST
PORTLAND, ME
ZIP 04102
Phone: (207) 662-2934

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  • Individual
  • Female
  • Surgery
  • Pediatric Surgery
  • PECOS Enrolled

About CAROLYN RIKER

This page provides the complete NPI Profile along with additional information for Carolyn Riker, a provider established in Portland, Maine with a medical specialization in Surgery, focusing in pediatric surgery . The healthcare provider is registered in the NPI registry with number 1952949729 assigned on December 2019. The practitioner's primary taxonomy code is 2086S0120X with license number CNP241619 (ME). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1952949729
Provider Name
MS. CAROLYN NIGHTINGALE RIKER MSN, CPNP-AC/PC
Gender
Female
Entity Type
Individual
Location Address
22 BRAMHALL ST PORTLAND, ME 04102
Location Phone
(207) 662-2934
Mailing Address
79 NONANTUM ST BOSTON, MA 02135
Mailing Phone
(207) 469-5585
Is Sole Proprietor?
No
Enumeration Date
12-12-2019
Last Update Date
01-23-2025
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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

Surgery Pediatric Surgery

Taxonomy Code
2086S0120X
Type
Allopathic & Osteopathic Physicians
License No.
CNP241619
License State
ME
Taxonomy Description
A surgeon with expertise in the management of surgical conditions in premature and newborn infants, children and adolescents.

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)
1363LP0200XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner
Pediatrics

RN2286242 (MA)

Medicare Participation & PECOS Enrollment Status

Carolyn Riker is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

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.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Reviews for MS. CAROLYN NIGHTINGALE RIKER MSN, CPNP-AC/PC

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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 1952949729, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
7
Unchanged
Pos 9
2
Doubled → 4
Check
9
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 5 → 10 → 1 9 → 18 → 9 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 8 + 4 + 1 + 8 + 7 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1952949729.

Other Providers at the Same Location


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

Nurse Anesthetist, Certified Registered
22 BRAMHALL ST, DEPT OF ANESTHESIOLOGY
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Hospitalist
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Specialist
22 BRAMHALL ST, DEPT OF OB/GYN
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Internal Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Physician Assistant
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Pediatrics (Neonatal-Perinatal Medicine)
22 BRAMHALL ST, DIVISION OF NEONATOLOGY
PORTLAND, ME 04102
Hospitalist
22 BRAMHALL ST, PAVILION 1203
PORTLAND, ME 04102
Hospitalist
22 BRAMHALL ST
PORTLAND, ME 04102
Anesthesiology
22 BRAMHALL ST
PORTLAND, ME 04102
Pathology (Anatomic Pathology & Clinical Pathology)
22 BRAMHALL ST
PORTLAND, ME 04102
Family Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Emergency Medicine
22 BRAMHALL ST
PORTLAND, ME 04102
Nurse Anesthetist, Certified Registered
22 BRAMHALL ST
PORTLAND, ME 04102
Pediatrics
22 BRAMHALL ST
PORTLAND, ME 04102

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952949729, enumerated as an "individual" on December 12, 2019.

The provider is located at 22 BRAMHALL ST PORTLAND, ME 04102 and the phone number is (207) 662-2934.

Surgery with taxonomy code 2086S0120X and a focus in Pediatric Surgery.