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Lloyd Flatt, M.D.
NPI 1295713766 · Internal Medicine Physician · Marseilles, IL
Lloyd Flatt, M.D. is a Internal Medicine Physician provider in Marseilles, IL (NPI 1295713766).
Provider details
- NPI number
- 1295713766
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036089865 (IL)
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
580 Sycamore St
Marseilles, IL 61341-1366
Phone: (815) 795-2122
Fax: (815) 795-3507
Street-level locationGet directions
Mailing address
25259 S Reed St
Channahon, IL 60410-6003
Registry dates
- Enumerated
- 2006-01-05
- Last updated
- 2009-05-07
Frequently asked questions
- What is Lloyd Flatt's NPI number?
- Lloyd Flatt's National Provider Identifier (NPI) is 1295713766, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lloyd Flatt's specialty?
- Lloyd Flatt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lloyd Flatt located?
- Lloyd Flatt's practice location on file with NPPES is 580 Sycamore St, Marseilles, IL 61341-1366.
- What is Lloyd Flatt's phone number?
- The practice phone number listed in the NPPES registry for Lloyd Flatt is (815) 795-2122.
- Is Lloyd Flatt's NPI active?
- Yes — Lloyd Flatt's NPI (1295713766) is active in the NPPES registry as of the last update on 2009-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.