Marion Hoelzer, M.D.
NPI 1558412353 · Emergency Medicine Physician · Royal Oak, MI
Marion Hoelzer, M.D. is a Emergency Medicine Physician provider in Royal Oak, MI (NPI 1558412353).
Provider details
- NPI number
- 1558412353
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301063841 (MI)
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
19 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
- 2007-01-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Marion Hoelzer's NPI number?
- Marion Hoelzer's National Provider Identifier (NPI) is 1558412353, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marion Hoelzer's specialty?
- Marion Hoelzer is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marion Hoelzer located?
- Marion Hoelzer's practice location on file with NPPES is 3601 W. 13 Mile Road, Royal Oak, MI 48073-6769.
- What is Marion Hoelzer's phone number?
- The practice phone number listed in the NPPES registry for Marion Hoelzer is (248) 898-5000.
- Is Marion Hoelzer's NPI active?
- Yes — Marion Hoelzer's NPI (1558412353) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.