NATIONAL HEALTHCARE & HOUSING ADVISORS, LLC
NPI 1477232387
Public Health or Welfare in Santa Ana, CA

NPI Status: Active since July 17, 2023

Contact Information

2900 S HARBOR BLVD STE 100
SANTA ANA, CA
ZIP 92704
Phone: (949) 919-0826

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  • Organization
  • Public Health or Welfare

About NATIONAL HEALTHCARE & HOUSING ADVISORS, LLC

This page provides the complete NPI Profile along with additional information for National Healthcare & Housing Advisors, Llc, a provider established in Santa Ana, California operating as a Public Health Or Welfare. The healthcare provider is registered in the NPI registry with number 1477232387 assigned on July 2023. The practitioner's primary taxonomy code is 251K00000X. The provider is registered as an organization and their NPI record was last updated May 2026. The authorized official of this NPI record is Paul Leon (Chief Executive Officer)

NPI
1477232387
Provider Name
NATIONAL HEALTHCARE & HOUSING ADVISORS, LLC
Entity Type
Organization
Location Address
2900 S HARBOR BLVD STE 100 SANTA ANA, CA 92704
Location Phone
(949) 919-0826
Mailing Address
2900 S HARBOR BLVD STE 100 SANTA ANA, CA 92704
Mailing Phone
(949) 919-0826
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
07-17-2023
Last Update Date
05-05-2026
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Location Map

Secondary Locations

  • 2201 Harvard St
    Sacramento, CA 95815
    (949) 919-0826
  • 2211 Harvard St
    Sacramento, CA 95815
    (949) 919-0826
  • 1131 Yourman Rd Ste B
    Heber, CA 92249
    (949) 919-0826
  • 1147 Yourman Rd Ste A
    Heber, CA 92249
    (949) 919-0826
  • 1720 Termino Ave
    Long Beach, CA 90804
    (949) 919-0826
  • 2100 Harvard St
    Sacramento, CA 95815
    (949) 919-0826
  • 1131 Yourman Rd Ste A
    Heber, CA 92249
    (949) 919-0826

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

Public Health or Welfare

Taxonomy Code
251K00000X
Type
Agencies

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)
1251C00000XAgencies

Day Training, Developmentally Disabled Services

 
2251S00000XAgencies

Community/Behavioral Health

 
3251X00000XAgencies

Supports Brokerage

 
4261QP2300XAmbulatory Health Care Facilities

Clinic/Center
Primary Care

 
5261QR0405XAmbulatory Health Care Facilities

Clinic/Center
Rehabilitation, Substance Use Disorder

 
6261QU0200XAmbulatory Health Care Facilities

Clinic/Center
Urgent Care

 
7385H00000XRespite Care Facility

Respite Care

 

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

PAUL LEON

Authorized Official Title
CHIEF EXECUTIVE OFFICER
Authorized Official Phone
(949) 842-1209

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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 1477232387, 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
4
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
7
Unchanged
Pos 5
2
Doubled → 4
Pos 6
3
Unchanged
Pos 7
2
Doubled → 4
Pos 8
3
Unchanged
Pos 9
8
Doubled → 16 → 1 + 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 7 → 14 → 5 2 → 4 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 4 + 7 + 4 + 3 + 4 + 3 + 1 + 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 1477232387.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Supports Brokerage
2900 S HARBOR BLVD STE 100
SANTA ANA, CA 92704
Community/Behavioral Health
2900 S HARBOR BLVD STE 100
SANTA ANA, CA 92704

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1477232387, enumerated as an "organization" on July 17, 2023.

The provider is located at 2900 S HARBOR BLVD STE 100 SANTA ANA, CA 92704 and the phone number is (949) 919-0826.

Public Health or Welfare with taxonomy code 251K00000X.