Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

CHANG-WILLIAMS MEDICAL, LLC
NPI 1992698781
Physician Assistant - Medical in Tampa, FL

Active since May 30, 2025
13047 W LINEBAUGH AVE STE 102, TAMPA, FL 33626(813) 334-6134 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 14, 2026, May 30, 2025 (2 updates tracked since 2025).

  • Organization
  • Physician Assistant
  • Medical

About CHANG-WILLIAMS MEDICAL, LLC

This page provides the complete NPI Profile along with additional information for Chang-williams Medical, Llc, a primary care provider established in Tampa, Florida operating as a Physician Assistant, focusing in medical . The healthcare provider is registered in the NPI registry with number 1992698781 assigned on May 2025. The practitioner's primary taxonomy code is 363AM0700X. The provider is registered as an organization and their NPI record was last updated July 2026. The authorized official of this NPI record is Mrs. Sherissa Chang-williams Pa (Ceo/physician Assistant)

NPI
1992698781
Provider Name
CHANG-WILLIAMS MEDICAL, LLC
Entity Type
Organization
Location Address
13047 W LINEBAUGH AVE STE 102 TAMPA, FL 33626
Location Phone
(813) 334-6134
Mailing Address
12191 W LINEBAUGH AVE STE 607 TAMPA, FL 33626
Mailing Phone
(813) 334-6134
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-30-2025
Last Update Date
07-14-2026
Code Navigator

A primary care provider (PCP) like Chang-williams Medical, Llc 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

Physician Assistant Medical

Taxonomy Code
363AM0700X
Type
Physician Assistants & Advanced Practice Nursing Providers

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)
1310400000XNursing & Custodial Care Facilities

Assisted Living Facility

 

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

MRS. SHERISSA CHANG-WILLIAMS PA

Authorized Official Title
CEO/PHYSICIAN ASSISTANT
Authorized Official Phone
(813) 334-6134

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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 1992698781, 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
7
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
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 9 → 18 → 9 6 → 12 → 3 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 2 + 9 + 1 + 6 + 7 + 1 + 6 + 24 = 79

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

The next multiple of ten after 79 is 80. The difference is the calculated check digit.

80 - 79 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1992698781.

Other Providers at the Same Location


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

Family Medicine (Adult Medicine)
13047 W LINEBAUGH AVE STE 102
TAMPA, FL 33626
Nurse Practitioner (Adult Health)
13047 W LINEBAUGH AVE STE 102
TAMPA, FL 33626

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992698781, enumerated as an "organization" on May 30, 2025.

The provider is located at 13047 W LINEBAUGH AVE STE 102 TAMPA, FL 33626 and the phone number is (813) 334-6134.

Physician Assistant with taxonomy code 363AM0700X and a focus in Medical.