MS. CARLA MAY GREICHEN LMHC
NPI 1659792778
Counselor - Mental Health in Warwick, RI

NPI Status: Active since December 16, 2013

Contact Information

67 JEFFERSON BLVD
WARWICK, RI
ZIP 02888
Phone: (401) 862-2795
Fax: (401) 200-8049

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  • Individual
  • Female
  • Counselor
  • Mental Health
  • Accepts Insurance

About CARLA GREICHEN

This page provides the complete NPI Profile along with additional information for Carla Greichen, a provider established in Warwick, Rhode Island with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1659792778 assigned on December 2013. The practitioner's primary taxonomy code is 101YM0800X with license number MHC00616 (RI). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1659792778
Provider Name
MS. CARLA MAY GREICHEN LMHC
Gender
Female
Entity Type
Individual
Location Address
67 JEFFERSON BLVD WARWICK, RI 02888
Location Phone
(401) 862-2795
Location Fax
(401) 200-8049
Mailing Address
67 JEFFERSON BLVD WARWICK, RI 02888
Mailing Phone
(401) 862-2795
Mailing Fax
(401) 200-8049
Is Sole Proprietor?
Yes
Enumeration Date
12-16-2013
Last Update Date
10-02-2025
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A mental health counselor like Carla Greichen provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
MHC00616
License State
RI

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)
11041C0700XBehavioral Health & Social Service Providers

Social Worker
Clinical

(RI)

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • NH Local Choice HMO Bronze 8000 + $0 Rx list + $0 Virtual Urgent Care - HMO
  • NH Local Choice HMO Gold + $0 Rx list + $0 Virtual Urgent Care - HMO
  • NH Local Choice HMO Gold 1400 + $0 Rx list + $0 Virtual Urgent Care - HMO
  • NH Local Choice HMO HSA Bronze 6000 - HMO
  • NH Local Choice HMO Silver 3500 + $0 Rx list + $0 Virtual Urgent Care - HMO
  • NH Local Choice HMO Silver 5000 + $0 Rx list + $0 Virtual Urgent Care - HMO
  • NH Local HMO Bronze 7500 Standard + $0 Rx list + $0 Virtual Urgent Care - HMO
  • NH Local HMO Gold 2000 Standard + $0 Rx list + $0 Virtual Urgent Care - HMO
  • NH Local HMO Silver 6000 Standard + $0 Rx list + $0 Virtual Urgent Care - HMO

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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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 1659792778, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
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 5 → 10 → 1 7 → 14 → 5 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 1 + 4 + 9 + 4 + 7 + 1 + 4 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1659792778.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Dentist (General Practice)
67 JEFFERSON BLVD
WARWICK, RI 02888
Dentist (Periodontics)
67 JEFFERSON BLVD
WARWICK, RI 02888
Social Worker (Clinical)
67 JEFFERSON BLVD
WARWICK, RI 02888
Counselor (Mental Health)
67 JEFFERSON BLVD
WARWICK, RI 02888

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659792778, enumerated as an "individual" on December 16, 2013.

The provider is located at 67 JEFFERSON BLVD WARWICK, RI 02888 and the phone number is (401) 862-2795.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.

The provider might be accepting Accepts: Harvard Pilgrim Health Care. Please consult your insurance carrier or call the provider to verify.