What is Gregor Massoth's NPI number?

Gregor Massoth's National Provider Identifier (NPI) is 1235081084, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Gregor Massoth's specialty?

Gregor Massoth is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).

Where is Gregor Massoth located?

Gregor Massoth's practice location on file with NPPES is 5323 Harry Hines Blvd Stop 7200, Dallas, TX 75390-9068.

What is Gregor Massoth's phone number?

The practice phone number listed in the NPPES registry for Gregor Massoth is (214) 648-5461.

Is Gregor Massoth's NPI active?

Yes — Gregor Massoth's NPI (1235081084) is active in the NPPES registry as of the last update on 2026-02-13.

IndividualActive

Gregor Massoth

NPI 1235081084 · Anesthesiology Physician · Dallas, TX

Gregor Massoth is a Anesthesiology Physician provider in Dallas, TX (NPI 1235081084).

Provider details

NPI number: 1235081084
Entity type: Individual
Primary specialty: Anesthesiology PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: No
License: 48842 (TX)

Specialties & taxonomies

Anesthesiology PhysicianPrimary207L00000XLicense 48842 (TX)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 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

5323 Harry Hines Blvd Stop 7200

Dallas, TX 75390-9068

Phone: (214) 648-5461

Street-level locationGet directions

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Mailing address