Constance Leahy, MD
NPI 1164477204 · Obstetrics & Gynecology Physician · Grand Rapids, MI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Constance Leahy, MD is a Obstetrics & Gynecology Physician provider in Grand Rapids, MI (NPI 1164477204).
Provider details
- NPI number
- 1164477204
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4301061615 (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
- 2006-05-24
- Last updated
- 2009-06-29
Frequently asked questions
- What is Constance Leahy's NPI number?
- Constance Leahy's National Provider Identifier (NPI) is 1164477204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Constance Leahy's specialty?
- Constance Leahy is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Constance Leahy located?
- Constance Leahy's practice location on file with NPPES is 309 Jefferson Ave Se, Grand Rapids, MI 49503-4503.
- What is Constance Leahy's phone number?
- The practice phone number listed in the NPPES registry for Constance Leahy is (616) 685-8750.
- Does Constance Leahy accept Medicare?
- Constance Leahy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Constance Leahy's NPI active?
- Yes — Constance Leahy's NPI (1164477204) is active in the NPPES registry as of the last update on 2009-06-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.