HARRIETT JANE GENNARO LADC
NPI 1598050437
Counselor - Mental Health in Seward, AK

NPI Status: Active since June 17, 2011

Contact Information

302 RAILWAY AVE
SEWARD, AK
ZIP 99664
Phone: (907) 224-5257
Fax: (907) 224-7081

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  • Individual
  • Female
  • Counselor
  • Mental Health
  • PECOS Enrolled

About HARRIETT GENNARO

This page provides the complete NPI Profile along with additional information for Harriett Gennaro, a provider established in Seward, Alaska with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1598050437 assigned on June 2011. The practitioner's primary taxonomy code is 101YM0800X with license number MFTM223 (AK). The provider is registered as an individual and her NPI record was last updated January 2026.

NPI
1598050437
Provider Name
HARRIETT JANE GENNARO LADC
Gender
Female
Entity Type
Individual
Location Address
302 RAILWAY AVE SEWARD, AK 99664
Location Phone
(907) 224-5257
Location Fax
(907) 224-7081
Mailing Address
PO BOX 1045 SEWARD, AK 99664
Mailing Phone
(907) 224-5257
Mailing Fax
(907) 224-7081
Is Sole Proprietor?
No
Enumeration Date
06-17-2011
Last Update Date
01-15-2026
Code Navigator

A mental health counselor like Harriett Gennaro 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.
MFTM223
License State
AK

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)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

01266-L (NV)

Medicare Participation & PECOS Enrollment Status

Harriett Gennaro 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 and Durable Medical Equipment (DME).

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): No

  • Eligible to Order or Refer Power Mobility Devices: No

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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 1598050437, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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
9
Doubled → 18 → 1 + 8
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
5
Unchanged
Pos 7
0
Doubled → 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
7
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 9 → 18 → 9 0 → 0 0 → 0 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 8 + 8 + 0 + 5 + 0 + 4 + 6 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1598050437.

Other Providers at the Same Location


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

Case Manager/Care Coordinator
302 RAILWAY AVE
SEWARD, AK 99664
Counselor (Addiction (Substance Use Disorder))
302 RAILWAY AVE
SEWARD, AK 99664
Case Manager/Care Coordinator
302 RAILWAY AVE
SEWARD, AK 99664
Case Manager/Care Coordinator
302 RAILWAY AVE
SEWARD, AK 99664
Case Manager/Care Coordinator
302 RAILWAY AVE
SEWARD, AK 99664
Social Worker
302 RAILWAY AVE
SEWARD, AK 99664
Social Worker (Clinical)
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664
Case Manager/Care Coordinator
302 RAILWAY AVE
SEWARD, AK 99664
Behavior Technician
302 RAILWAY AVE
SEWARD, AK 99664

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1598050437, enumerated as an "individual" on June 17, 2011.

The provider is located at 302 RAILWAY AVE SEWARD, AK 99664 and the phone number is (907) 224-5257.

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