SIERRA BRIDGETT
NPI 1487599528
Physical Therapy Assistant in Frederick, MD

NPI Status: Active since April 23, 2026

Contact Information

161 THOMAS JOHNSON DR STE 100
FREDERICK, MD
ZIP 21702
Phone: (301) 579-7811

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  • Individual
  • Female
  • Physical Therapy Assistant

About SIERRA BRIDGETT

This page provides the complete NPI Profile along with additional information for Sierra Bridgett, a provider established in Frederick, Maryland with a medical specialization in Physical Therapy Assistant. The healthcare provider is registered in the NPI registry with number 1487599528 assigned on April 2026. The practitioner's primary taxonomy code is 225200000X. The provider is registered as an individual and her NPI record was last updated April 2026.

NPI
1487599528
Provider Name
SIERRA BRIDGETT
Gender
Female
Entity Type
Individual
Location Address
161 THOMAS JOHNSON DR STE 100 FREDERICK, MD 21702
Location Phone
(301) 579-7811
Mailing Address
86 THOMAS JOHNSON CT STE 100 FREDERICK, MD 21702
Mailing Phone
(301) 273-7770
Is Sole Proprietor?
No
Enumeration Date
04-23-2026
Last Update Date
04-23-2026
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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

Physical Therapy Assistant

Taxonomy Code
225200000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License State
MD
Taxonomy Description
(1)Physical therapist assistants are skilled health care providers who are graduates of a physical therapist assistant associate degree program accredited by an agency recognized by the Secretary of the U.S. Department of Education or Council on Postsecondary Accreditation, who assists the physical therapist in providing physical therapy. The supervising physical therapist is directly responsible for the actions of the physical therapist assistant. The PTA performs physical therapy procedures and related tasks that have been selected and delegated by the supervising physical therapist. Duties of the PTA include assisting the physical therapist in implementing treatment programs, training patients in exercised and activities of daily living, conducting treatments, and reporting to the physical therapist on the patient's responses. In addition to direct patient care, the PTA may also perform such functions as patient transport, and clinic or equipment preparation and maintenance. Currently more than half of all states require PTAs to be licensed, registered or certified. (2) An individual who works under the supervision of a physical therapist to assist him or her in providing physical therapy services. A physical therapy assistant may, for instance, help patients follow an appropriate exercise program that will increase their strength, endurance, coordination, and range of motion and train patients to perform activities of daily life.

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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 1487599528, 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
4
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
7
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
5
Unchanged
Pos 9
2
Doubled → 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 8 → 16 → 7 5 → 10 → 1 9 → 18 → 9 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 6 + 7 + 1 + 0 + 9 + 1 + 8 + 5 + 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 1487599528.

Other Providers at the Same Location


The following 10 providers are registered at the same or a nearby location.

Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Physical Therapist
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702
Orthopaedic Surgery
161 THOMAS JOHNSON DR STE 100
FREDERICK, MD 21702

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1487599528, enumerated as an "individual" on April 23, 2026.

The provider is located at 161 THOMAS JOHNSON DR STE 100 FREDERICK, MD 21702 and the phone number is (301) 579-7811.

Physical Therapy Assistant with taxonomy code 225200000X.