IndividualActive
Gregory Shannon, MD
NPI 1336240936 · Emergency Medicine Physician · Haslett, MI
Gregory Shannon, MD is a Emergency Medicine Physician provider in Haslett, MI (NPI 1336240936).
Provider details
- NPI number
- 1336240936
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- GS050232 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
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
1650 Haslett Rd
Haslett, MI 48840-8438
Phone: (517) 339-3200
Fax: (517) 339-4320
Street-level locationGet directions
Mailing address
Po Box 40
Haslett, MI 48840-0040
Registry dates
- Enumerated
- 2006-09-26
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gregory Shannon's NPI number?
- Gregory Shannon's National Provider Identifier (NPI) is 1336240936, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Shannon's specialty?
- Gregory Shannon is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gregory Shannon located?
- Gregory Shannon's practice location on file with NPPES is 1650 Haslett Rd, Haslett, MI 48840-8438.
- What is Gregory Shannon's phone number?
- The practice phone number listed in the NPPES registry for Gregory Shannon is (517) 339-3200.
- Is Gregory Shannon's NPI active?
- Yes — Gregory Shannon's NPI (1336240936) 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.