PATHWAYS HEALTHCARE, INC.
NPI 1841358942
Family Medicine in Arcadia, CA

NPI Status: Active since December 04, 2006

Contact Information

624 W DUARTE RD
SUITE 102
ARCADIA, CA
ZIP 91007
Phone: (626) 254-9540
Fax: (626) 294-2996

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  • Organization
  • Family Medicine
  • CLIA Number: 05D2041235
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 05-17-2028

About PATHWAYS HEALTHCARE, INC.

This page provides the complete NPI Profile along with additional information for Pathways Healthcare, Inc., a primary care provider established in Arcadia, California operating as a Family Medicine. The healthcare provider is registered in the NPI registry with number 1841358942 assigned on December 2006. The practitioner's primary taxonomy code is 207Q00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Pathways Healthcare, Inc. 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 Dr. Dennis Chang Md (Owner)

NPI
1841358942
Provider Name
PATHWAYS HEALTHCARE, INC.
Entity Type
Organization
Location Address
624 W DUARTE RD SUITE 102 ARCADIA, CA 91007
Location Phone
(626) 254-9540
Location Fax
(626) 294-2996
Mailing Address
PO BOX 1441 ARCADIA, CA 91077
Mailing Phone
(626) 254-9540
Mailing Fax
(626) 294-2996
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
12-04-2006
Last Update Date
10-24-2025
Code Navigator

A primary care provider (PCP) like Pathways Healthcare, Inc. sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Family Medicine

Taxonomy Code
207Q00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

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)
1207QS0010XAllopathic & Osteopathic Physicians

Family Medicine
Sports Medicine

 
2207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

 
32084N0400XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Neurology

A80774 (CA)

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

DR. DENNIS CHANG MD

Authorized Official Title
OWNER
Authorized Official Phone
(626) 833-0770

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number
05D2041235
Facility Type
Physician Office
Certificate Effective Date
May 18, 2026
Certificate Expiration Date
May 17, 2028
Laboratory Director
DENNIS CHANG
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Pathways Healthcare, Inc. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

Reviews for PATHWAYS HEALTHCARE, INC.

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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 1841358942, we treat the final digit (2) 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 78. The final step is to find the difference between that total and the next multiple of ten (80 - 78 = 2).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 6 + 5 + 1 + 6 + 9 + 8 + 24 = 78

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

The next multiple of ten after 78 is 80. The difference is the calculated check digit.

80 - 78 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1841358942.

Other Providers at the Same Location


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

Urology
624 W DUARTE RD, SUITE 203
ARCADIA, CA 91007
Urology
624 W DUARTE RD, SUITE 203
ARCADIA, CA 91007
Family Medicine
624 W DUARTE RD, SUITE 102
ARCADIA, CA 91007
Family Medicine
624 W DUARTE RD, SUITE#103
ARCADIA, CA 91007
Dentist (General Practice)
624 W DUARTE RD, STE 204
ARCADIA, CA 91007
Family Medicine
624 W DUARTE RD, SUITE 102
ARCADIA, CA 91007
Family Medicine
624 W DUARTE RD, SUITE 103
ARCADIA, CA 91007
Clinic/Center (Ambulatory Surgical)
624 W DUARTE RD, SUITE 104
ARCADIA, CA 91007
Specialist
624 W DUARTE RD, SUITE 203
ARCADIA, CA 91007
Specialist
624 W DUARTE RD, SUITE 203
ARCADIA, CA 91007
Plastic Surgery
624 W DUARTE RD, SUITE 201
ARCADIA, CA 91007
Internal Medicine (Cardiovascular Disease)
624 W DUARTE RD, SUITE 207
ARCADIA, CA 91007
Internal Medicine
624 W DUARTE RD, SUITE 105
ARCADIA, CA 91007
Family Medicine
624 W DUARTE RD, SUITE 208
ARCADIA, CA 91007
Clinic/Center (Medical Specialty)
624 W DUARTE RD, # 208
ARCADIA, CA 91007
Family Medicine
624 W DUARTE RD, SUITE 103
ARCADIA, CA 91007
Family Medicine
624 W DUARTE RD, STE 104
ARCADIA, CA 91007
Internal Medicine (Cardiovascular Disease)
624 W DUARTE RD, SUITE 207
ARCADIA, CA 91007
Internal Medicine
624 W DUARTE RD, #106
ARCADIA, CA 91007
Internal Medicine
624 W DUARTE RD, #106
ARCADIA, CA 91007

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841358942, enumerated as an "organization" on December 04, 2006.

The provider is located at 624 W DUARTE RD SUITE 102 ARCADIA, CA 91007 and the phone number is (626) 254-9540.

Family Medicine with taxonomy code 207Q00000X.