Leonard Gerhardstein
NPI 1508826637 · Obstetrics & Gynecology Physician · Royal Oak, MI
Leonard Gerhardstein is a Obstetrics & Gynecology Physician provider in Royal Oak, MI (NPI 1508826637).
Provider details
- NPI number
- 1508826637
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- License
- 4301029581 (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
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
- 2006-03-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonard Gerhardstein's NPI number?
- Leonard Gerhardstein's National Provider Identifier (NPI) is 1508826637, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Gerhardstein's specialty?
- Leonard Gerhardstein is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Gerhardstein located?
- Leonard Gerhardstein's practice location on file with NPPES is 3535 W 13 Mile Rd, Royal Oak, MI 48073-6710.
- What is Leonard Gerhardstein's phone number?
- The practice phone number listed in the NPPES registry for Leonard Gerhardstein is (248) 898-2280.
- Is Leonard Gerhardstein's NPI active?
- Yes — Leonard Gerhardstein's NPI (1508826637) 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.