What is William Mastalerz's NPI number?

William Mastalerz's National Provider Identifier (NPI) is 1316903552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Mastalerz's specialty?

William Mastalerz is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).

Where is William Mastalerz located?

William Mastalerz's practice location on file with NPPES is 2001 Mallory Ln Ste 201, Franklin, TN 37067-8235.

What is William Mastalerz's phone number?

The practice phone number listed in the NPPES registry for William Mastalerz is (615) 771-0134.

Is William Mastalerz's NPI active?

Yes — William Mastalerz's NPI (1316903552) is active in the NPPES registry as of the last update on 2021-08-30.

IndividualActive

William Mastalerz, PT

NPI 1316903552 · Physical Therapist · Franklin, TN

William Mastalerz, PT is a Physical Therapist provider in Franklin, TN (NPI 1316903552).

Provider details

NPI number: 1316903552
Entity type: Individual
Primary specialty: Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Credential: PT
Sex: Male
Sole proprietor: No
License: PT 2044 (TN)

Specialties & taxonomies

Physical TherapistPrimary225100000XLicense 2044 (TN)
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Physical Therapist225100000XLicense PT 2044 (TN)
Respiratory, Developmental, Rehabilitative and Restorative Service Providers

Profile Score

Detailed profile(100/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
3 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

2001 Mallory Ln Ste 201

Franklin, TN 37067-8235

Phone: (615) 771-0134

Fax: (615) 771-8816

Street-level locationGet directions

More TN providers

Mailing address

Po Box 306393

Nashville, TN 37230-6393

Additional practice locations (2)

1810 Shady Brook St
Suite 3
Columbia, TN 38401-3993
Phone: (931) 388-8500
6130 Nolensville Pike
Nashville, TN 37211-6813
Phone: (615) 445-4120
Fax: (615) 445-4129

Enumerated: 2006-04-25
Last updated: 2021-08-30
Certified: 2021-08-30

Frequently asked questions

What is William Mastalerz's NPI number?: William Mastalerz's National Provider Identifier (NPI) is 1316903552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Mastalerz's specialty?: William Mastalerz is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
Where is William Mastalerz located?: William Mastalerz's practice location on file with NPPES is 2001 Mallory Ln Ste 201, Franklin, TN 37067-8235.
What is William Mastalerz's phone number?: The practice phone number listed in the NPPES registry for William Mastalerz is (615) 771-0134.
Is William Mastalerz's NPI active?: Yes — William Mastalerz's NPI (1316903552) is active in the NPPES registry as of the last update on 2021-08-30.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.