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Gregory Hayne, M.D.
NPI 1457325946 · Gastroenterology Physician · Marquette, MI
Gregory Hayne, M.D. is a Gastroenterology Physician provider in Marquette, MI (NPI 1457325946).
Provider details
- NPI number
- 1457325946
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 35052446 (OH)
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
107 W Main St
Marquette, MI 49855-4651
Phone: (906) 225-4606
Street-level locationGet directions
Mailing address
26374 Network Pl
Chicago, IL 60673-1263
Registry dates
- Enumerated
- 2006-02-14
- Last updated
- 2013-06-11
Frequently asked questions
- What is Gregory Hayne's NPI number?
- Gregory Hayne's National Provider Identifier (NPI) is 1457325946, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Hayne's specialty?
- Gregory Hayne is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Hayne located?
- Gregory Hayne's practice location on file with NPPES is 107 W Main St, Marquette, MI 49855-4651.
- What is Gregory Hayne's phone number?
- The practice phone number listed in the NPPES registry for Gregory Hayne is (906) 225-4606.
- Is Gregory Hayne's NPI active?
- Yes — Gregory Hayne's NPI (1457325946) is active in the NPPES registry as of the last update on 2013-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.