Maguire & Welsh Medical Group
NPI 1164467973 · Geriatric Medicine (Family Medicine) Physician · Whittier, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maguire & Welsh Medical Group is a Geriatric Medicine (Family Medicine) Physician organization in Whittier, CA (NPI 1164467973).
Provider details
- NPI number
- 1164467973
- Entity type
- Organization
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Maguire, Physician/Owner(562) 945-9333
- License
- 20A4272 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
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
- 2006-06-17
- Last updated
- 2023-02-06
- Certified
- 2023-02-06
Frequently asked questions
- What is Maguire & Welsh Medical Group's NPI number?
- Maguire & Welsh Medical Group's National Provider Identifier (NPI) is 1164467973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Maguire & Welsh Medical Group?
- Maguire & Welsh Medical Group is classified in the NPPES registry as Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Maguire & Welsh Medical Group located?
- Maguire & Welsh Medical Group's practice location on file with NPPES is 7624 Painter Ave, Whittier, CA 90602-2357.
- What is Maguire & Welsh Medical Group's phone number?
- The practice phone number listed in the NPPES registry for Maguire & Welsh Medical Group is (562) 945-9333.
- Does Maguire & Welsh Medical Group accept Medicare?
- Maguire & Welsh Medical Group is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Maguire & Welsh Medical Group?
- The authorized official listed on Maguire & Welsh Medical Group's NPPES record is Michael Maguire, Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Maguire & Welsh Medical Group's NPI active?
- Yes — Maguire & Welsh Medical Group's NPI (1164467973) is active in the NPPES registry as of the last update on 2023-02-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.