What is William Mastro's NPI number?

William Mastro's National Provider Identifier (NPI) is 1275864852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William Mastro's specialty?

William Mastro is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).

Where is William Mastro located?

William Mastro's practice location on file with NPPES is 1489 Baltimore Pike, Springfield, PA 19064-3958.

What is William Mastro's phone number?

The practice phone number listed in the NPPES registry for William Mastro is (610) 368-2260.

Is William Mastro's NPI active?

Yes — William Mastro's NPI (1275864852) is active in the NPPES registry as of the last update on 2014-10-29.

IndividualActive

William Mastro, M.ED.

NPI 1275864852 · Professional Counselor · Springfield, PA

William Mastro, M.ED. is a Professional Counselor provider in Springfield, PA (NPI 1275864852).

Provider details

NPI number: 1275864852
Entity type: Individual
Primary specialty: Professional CounselorBehavioral Health & Social Service Providers
Credential: M.ED.
Sex: Male
Sole proprietor: Yes
License: PC007771 (PA)

Practice location

1489 Baltimore Pike

Bldg. 200, Suite 250

Springfield, PA 19064-3958

Phone: (610) 368-2260

Street-level locationGet directions

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Mailing address

1489 Baltimore Pike

Springfield, PA 19064-3958

Specialties & taxonomies

Professional CounselorPrimary101YP2500XLicense PC007771 (PA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(85/100 index)

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

Registry tenure38% of score
16 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Enumerated: 2010-01-21
Last updated: 2014-10-29

Frequently asked questions

What is William Mastro's NPI number?: William Mastro's National Provider Identifier (NPI) is 1275864852, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is William Mastro's specialty?: William Mastro is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
Where is William Mastro located?: William Mastro's practice location on file with NPPES is 1489 Baltimore Pike, Springfield, PA 19064-3958.
What is William Mastro's phone number?: The practice phone number listed in the NPPES registry for William Mastro is (610) 368-2260.
Is William Mastro's NPI active?: Yes — William Mastro's NPI (1275864852) is active in the NPPES registry as of the last update on 2014-10-29.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions