CIRCLE AND SAGE FUNCTIONAL MEDICINE PLLC
NPI 1780511501
Nurse Practitioner - Primary Care in Grand Junction, CO

NPI Status: Active since May 06, 2026

Contact Information

1000 N 9TH ST STE 36
GRAND JUNCTION, CO
ZIP 81501
Phone: (970) 436-3940
Fax: (970) 436-3941

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  • Organization
  • Nurse Practitioner
  • Primary Care

About CIRCLE AND SAGE FUNCTIONAL MEDICINE PLLC

This page provides the complete NPI Profile along with additional information for Circle And Sage Functional Medicine Pllc, a provider established in Grand Junction, Colorado operating as a Nurse Practitioner, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1780511501 assigned on May 2026. The practitioner's primary taxonomy code is 363LP2300X. The provider is registered as an organization and their NPI record was last updated May 2026. Circle And Sage Functional Medicine Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Eleanor Marie Davis Aprn (Owner)

NPI
1780511501
Provider Name
CIRCLE AND SAGE FUNCTIONAL MEDICINE PLLC
Entity Type
Organization
Location Address
1000 N 9TH ST STE 36 GRAND JUNCTION, CO 81501
Location Phone
(970) 436-3940
Location Fax
(970) 436-3941
Mailing Address
1000 N 9TH ST STE 36 GRAND JUNCTION, CO 81501
Mailing Phone
(970) 436-3940
Mailing Fax
(970) 436-3941
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-06-2026
Last Update Date
05-06-2026
Code Navigator

A nurse practitioner (NP) like Circle And Sage Functional Medicine Pllc 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 Primary Care

Taxonomy Code
363LP2300X
Type
Physician Assistants & Advanced Practice Nursing Providers

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)
1207QA0401XAllopathic & Osteopathic Physicians

Family Medicine
Addiction Medicine

 

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

ELEANOR MARIE DAVIS APRN

Authorized Official Title
OWNER
Authorized Official Phone
(970) 436-3940

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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 1780511501, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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
7
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
0
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
1
Doubled → 2
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
Check
1
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 8 → 16 → 7 5 → 10 → 1 1 → 2 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 1 + 6 + 0 + 1 + 0 + 1 + 2 + 5 + 0 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1780511501.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1780511501, enumerated as an "organization" on May 06, 2026.

The provider is located at 1000 N 9TH ST STE 36 GRAND JUNCTION, CO 81501 and the phone number is (970) 436-3940.

Nurse Practitioner with taxonomy code 363LP2300X and a focus in Primary Care.