What is Case Tretter's NPI number?

Case Tretter's National Provider Identifier (NPI) is 1982533436, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Case Tretter's specialty?

Case Tretter is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).

Where is Case Tretter located?

Case Tretter's practice location on file with NPPES is 1086 Franklin St, Johnstown, PA 15905-4305.

What is Case Tretter's phone number?

The practice phone number listed in the NPPES registry for Case Tretter is (814) 534-1660.

Is Case Tretter's NPI active?

Yes — Case Tretter's NPI (1982533436) is active in the NPPES registry as of the last update on 2026-05-19.

IndividualActive

Case Tretter, DO

NPI 1982533436 · Surgery Physician · Johnstown, PA

Case Tretter, DO is a Surgery Physician provider in Johnstown, PA (NPI 1982533436).

Provider details

NPI number: 1982533436
Entity type: Individual
Primary specialty: Surgery PhysicianAllopathic & Osteopathic Physicians
Credential: DO
Sex: Male
Sole proprietor: No
License: OT025240 (PA)

Specialties & taxonomies

Surgery PhysicianPrimary208600000XLicense OT025240 (PA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(52/100 index)

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

Registry tenure38% of score
Under 1 yr in 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.

Practice location

1086 Franklin St

Johnstown, PA 15905-4305

Phone: (814) 534-1660

Fax: (814) 534-1680

Street-level locationGet directions

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Mailing address