Louis Marmon, MD
NPI 1134107956 · Pediatric Surgery Physician · Hershey, PA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Marmon, MD is a Pediatric Surgery Physician provider in Hershey, PA (NPI 1134107956).
Provider details
- NPI number
- 1134107956
- Entity type
- Individual
- Primary specialty
- Pediatric Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 0101046226 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
3 documented practice locations
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
Additional practice locations (2)
- 9715 Medical Center DrSuite 300Rockville, MD 20850-3320Phone: (301) 762-2424Fax: (301) 340-6792
- 1204 W Main StCharlottesville, VA 22903-2824Phone: (434) 924-2673Fax: (434) 924-3000
Registry dates
- Enumerated
- 2006-01-03
- Last updated
- 2024-08-15
- Certified
- 2024-08-15
Frequently asked questions
- What is Louis Marmon's NPI number?
- Louis Marmon's National Provider Identifier (NPI) is 1134107956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Marmon's specialty?
- Louis Marmon is listed in the NPPES registry with a primary specialty of Pediatric Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Marmon located?
- Louis Marmon's practice location on file with NPPES is 500 University Dr, Hershey, PA 17033-2360.
- What is Louis Marmon's phone number?
- The practice phone number listed in the NPPES registry for Louis Marmon is (800) 243-1455.
- Does Louis Marmon accept Medicare?
- Louis Marmon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Marmon's NPI active?
- Yes — Louis Marmon's NPI (1134107956) is active in the NPPES registry as of the last update on 2024-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.