LACEY NOWOTARSKI
NPI 1639042047
Massage Therapist in Reading, PA

NPI Status: Active since September 24, 2025

Contact Information

9 W 35TH ST
READING, PA
ZIP 19606
Phone: (484) 220-3439

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  • Individual
  • Female
  • Massage Therapist

About LACEY NOWOTARSKI

This page provides the complete NPI Profile along with additional information for Lacey Nowotarski, a provider established in Reading, Pennsylvania with a medical specialization in Massage Therapist. The healthcare provider is registered in the NPI registry with number 1639042047 assigned on September 2025. The practitioner's primary taxonomy code is 225700000X with license number MSG016548 (PA). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1639042047
Provider Name
LACEY NOWOTARSKI
Gender
Female
Entity Type
Individual
Location Address
9 W 35TH ST READING, PA 19606
Location Phone
(484) 220-3439
Mailing Address
9 W 35TH ST READING, PA 19606
Is Sole Proprietor?
Yes
Enumeration Date
09-24-2025
Last Update Date
09-24-2025
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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

Massage Therapist

Taxonomy Code
225700000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
MSG016548
License State
PA
Taxonomy Description
An individual trained in the manipulation of tissues (as by rubbing, stroking, kneading, or tapping) with the hand or an instrument for remedial or hygienic purposes.

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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 1639042047, 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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
4
Doubled → 8
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 3 → 6 0 → 0 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 0 + 4 + 4 + 0 + 8 + 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 1639042047.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639042047, enumerated as an "individual" on September 24, 2025.

The provider is located at 9 W 35TH ST READING, PA 19606 and the phone number is (484) 220-3439.

Massage Therapist with taxonomy code 225700000X.