Gretta Steigauf-Regan, MD
NPI 1326789967 · Emergency Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretta Steigauf-Regan, MD is a Emergency Medicine Physician provider in Worcester, MA (NPI 1326789967).
Provider details
- NPI number
- 1326789967
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1021166 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-04-06
- Last updated
- 2025-02-26
- Certified
- 2025-02-26
Frequently asked questions
- What is Gretta Steigauf-Regan's NPI number?
- Gretta Steigauf-Regan's National Provider Identifier (NPI) is 1326789967, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretta Steigauf-Regan's specialty?
- Gretta Steigauf-Regan is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gretta Steigauf-Regan located?
- Gretta Steigauf-Regan's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Gretta Steigauf-Regan's phone number?
- The practice phone number listed in the NPPES registry for Gretta Steigauf-Regan is (508) 421-1401.
- Does Gretta Steigauf-Regan accept Medicare?
- Gretta Steigauf-Regan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretta Steigauf-Regan's NPI active?
- Yes — Gretta Steigauf-Regan's NPI (1326789967) is active in the NPPES registry as of the last update on 2025-02-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.