Mark Rallo, OD
NPI 1700802931 · Optometrist · Saint Louis, MO
Enrolled with Medicare as Practitioner - Optometry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Rallo, OD is a Optometrist provider in Saint Louis, MO (NPI 1700802931).
Provider details
- NPI number
- 1700802931
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- T02932 (MO)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2025-04-17
Frequently asked questions
- What is Mark Rallo's NPI number?
- Mark Rallo's National Provider Identifier (NPI) is 1700802931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rallo's specialty?
- Mark Rallo is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Mark Rallo located?
- Mark Rallo's practice location on file with NPPES is 1 Childrens Pl, Saint Louis, MO 63110-1002.
- What is Mark Rallo's phone number?
- The practice phone number listed in the NPPES registry for Mark Rallo is (314) 454-6026.
- Does Mark Rallo accept Medicare?
- Mark Rallo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Rallo's NPI active?
- Yes — Mark Rallo's NPI (1700802931) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.