GROUND & GROWTH PLLC
NPI 1508738121
Nurse Practitioner - Psychiatric/Mental Health in Boston, MA

NPI Status: Active since September 22, 2025

Contact Information

185 DEVONSHIRE ST STE 501
BOSTON, MA
ZIP 02110
Phone: (617) 681-8107
Fax: (781) 494-5696

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  • Organization
  • Nurse Practitioner
  • Psychiatric/Mental Health

About GROUND & GROWTH PLLC

This page provides the complete NPI Profile along with additional information for Ground & Growth Pllc, a provider established in Boston, Massachusetts operating as a Nurse Practitioner, focusing in psychiatric/mental health . The healthcare provider is registered in the NPI registry with number 1508738121 assigned on September 2025. The practitioner's primary taxonomy code is 363LP0808X. The provider is registered as an organization and their NPI record was last updated April 2026. Ground & Growth 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 Stephanie Etienne Np (Pmhnp-bc)

NPI
1508738121
Provider Name
GROUND & GROWTH PLLC
Entity Type
Organization
Location Address
185 DEVONSHIRE ST STE 501 BOSTON, MA 02110
Location Phone
(617) 681-8107
Location Fax
(781) 494-5696
Mailing Address
185 DEVONSHIRE ST STE 501 BOSTON, MA 02110
Mailing Phone
(617) 681-8107
Mailing Fax
(781) 494-5696
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-22-2025
Last Update Date
04-25-2026
Code Navigator

A nurse practitioner (NP) like Ground & Growth 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 Psychiatric/Mental Health

Taxonomy Code
363LP0808X
Type
Physician Assistants & Advanced Practice Nursing Providers

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

STEPHANIE ETIENNE NP

Authorized Official Title
PMHNP-BC
Authorized Official Phone
(617) 681-8107

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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 1508738121, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
3
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
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 0 → 0 7 → 14 → 5 8 → 16 → 7 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 4 + 3 + 1 + 6 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1508738121.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Counselor (Mental Health)
185 DEVONSHIRE ST STE 501
BOSTON, MA 02110
Clinic/Center (Adult Mental Health)
185 DEVONSHIRE ST STE 501
BOSTON, MA 02110
Psychologist (Clinical)
185 DEVONSHIRE ST STE 501
BOSTON, MA 02110
Psychiatry & Neurology (Psychiatry)
185 DEVONSHIRE ST STE 501
BOSTON, MA 02110
Nurse Practitioner (Psychiatric/Mental Health)
185 DEVONSHIRE ST STE 501
BOSTON, MA 02110

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508738121, enumerated as an "organization" on September 22, 2025.

The provider is located at 185 DEVONSHIRE ST STE 501 BOSTON, MA 02110 and the phone number is (617) 681-8107.

Nurse Practitioner with taxonomy code 363LP0808X and a focus in Psychiatric/Mental Health.