KRISTEN FEIN NP
NPI 1861045478
Nurse Practitioner - Gerontology in Boston, MA

NPI Status: Active since July 23, 2019

Contact Information

732 HARRISON AVE
3RD FLOOR
BOSTON, MA
ZIP 02118
Phone: (617) 638-5600

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  • Individual
  • Female
  • Nurse Practitioner
  • Gerontology

About KRISTEN FEIN

This page provides the complete NPI Profile along with additional information for Kristen Fein, a provider established in Boston, Massachusetts with a medical specialization in Nurse Practitioner, focusing in gerontology . The healthcare provider is registered in the NPI registry with number 1861045478 assigned on July 2019. The practitioner's primary taxonomy code is 363LG0600X with license number RN2280155 (MA). The provider is registered as an individual and her NPI record was last updated 7 years ago.

NPI
1861045478
Provider Name
KRISTEN FEIN NP
Other Name
KRISTEN REGO
Other Name Type
Former Name (1)
Gender
Female
Entity Type
Individual
Location Address
732 HARRISON AVE 3RD FLOOR BOSTON, MA 02118
Location Phone
(617) 638-5600
Mailing Address
801 ALBANY ST FL GROUND BOSTON, MA 02119
Mailing Phone
(617) 414-6035
Mailing Fax
Is Sole Proprietor?
No
Enumeration Date
07-23-2019
Last Update Date
10-23-2019
Code Navigator

A nurse practitioner (NP) like Kristen Fein 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 Gerontology

Taxonomy Code
363LG0600X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
RN2280155
License State
MA

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)
1363L00000XPhysician Assistants & Advanced Practice Nursing Providers

Nurse Practitioner

RN2280115 (MA)

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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 1861045478, we treat the final digit (8) 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 52. The final step is to find the difference between that total and the next multiple of ten (60 - 52 = 8).

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
6
Doubled → 12 → 1 + 2
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
8
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 6 → 12 → 3 0 → 0 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 2 + 1 + 0 + 4 + 1 + 0 + 4 + 1 + 4 + 24 = 52

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

The next multiple of ten after 52 is 60. The difference is the calculated check digit.

60 - 52 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1861045478.

Other Providers at the Same Location


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

Internal Medicine (Medical Oncology)
732 HARRISON AVE, PRESTON-3
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, 4TH FLOOR
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, 4TH FLOOR
BOSTON, MA 02118
Internal Medicine (Hematology)
732 HARRISON AVE, 3RD FLOOR
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, PRESTON, 3RD FLOOR
BOSTON, MA 02118
Nurse Practitioner
732 HARRISON AVE, PRESTON, 3RD FLOOR
BOSTON, MA 02118
Dietitian, Registered
732 HARRISON AVE, PRESTON FAMILY BLD, 2ND FL
BOSTON, MA 02118
Dietitian, Registered
732 HARRISON AVE, PRESTON 2
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, PRESTON 4
BOSTON, MA 02118
General Acute Care Hospital
732 HARRISON AVE, SUITE 500
BOSTON, MA 02118
Physical Medicine & Rehabilitation
732 HARRISON AVE, PRESTON FIFTH FLOOR
BOSTON, MA 02118
Internal Medicine (Endocrinology, Diabetes & Metabolism)
732 HARRISON AVE, PRESTON, 2ND FLOOR
BOSTON, MA 02118
Surgery
732 HARRISON AVE, PRESTON 2
BOSTON, MA 02118
Physical Medicine & Rehabilitation
732 HARRISON AVE, F-511
BOSTON, MA 02118
Internal Medicine (Cardiovascular Disease)
732 HARRISON AVE, PRESTON 3RD FLOOR
BOSTON, MA 02118
Nurse Practitioner (Adult Health)
732 HARRISON AVE, PRESTON, 3RD FLOOR
BOSTON, MA 02118
Internal Medicine
732 HARRISON AVE, PRESTON 2ND FLOOR
BOSTON, MA 02118
Podiatrist (Foot Surgery)
732 HARRISON AVE, PRESTON 5TH FLOOR
BOSTON, MA 02118
Internal Medicine (Endocrinology, Diabetes & Metabolism)
732 HARRISON AVE
BOSTON, MA 02118
Thoracic Surgery (Cardiothoracic Vascular Surgery)
732 HARRISON AVE, 3RD FLOOR
BOSTON, MA 02118

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1861045478, enumerated as an "individual" on July 23, 2019.

The provider is located at 732 HARRISON AVE 3RD FLOOR BOSTON, MA 02118 and the phone number is (617) 638-5600.

Nurse Practitioner with taxonomy code 363LG0600X and a focus in Gerontology.