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Mary Alonzi, D.O.
NPI 1235123217 · Pediatrics Physician · Plymouth, MI
Mary Alonzi, D.O. is a Pediatrics Physician provider in Plymouth, MI (NPI 1235123217).
Provider details
- NPI number
- 1235123217
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 5101007379 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
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
9365 N Haggerty Rd
Plymouth, MI 48170-4622
Phone: (734) 459-9260
Street-level locationGet directions
Mailing address
6346 Rose Blvd
West Bloomfield, MI 48322-2290
Registry dates
- Enumerated
- 2005-09-07
- Last updated
- 2013-01-14
Frequently asked questions
- What is Mary Alonzi's NPI number?
- Mary Alonzi's National Provider Identifier (NPI) is 1235123217, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Alonzi's specialty?
- Mary Alonzi is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Alonzi located?
- Mary Alonzi's practice location on file with NPPES is 9365 N Haggerty Rd, Plymouth, MI 48170-4622.
- What is Mary Alonzi's phone number?
- The practice phone number listed in the NPPES registry for Mary Alonzi is (734) 459-9260.
- Is Mary Alonzi's NPI active?
- Yes — Mary Alonzi's NPI (1235123217) is active in the NPPES registry as of the last update on 2013-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.