Mark L. Ritch DO, PA
NPI 1477945814 · Neurology Physician · Largo, FL
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark L. Ritch DO, PA is a Neurology Physician organization in Largo, FL (NPI 1477945814).
Provider details
- NPI number
- 1477945814
- Entity type
- Organization
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Mark Ritch, Sole Owner(727) 209-2662
- License
- OS0006566 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
- 2015-02-23
- Last updated
- 2016-12-12
Frequently asked questions
- What is Mark L. Ritch DO, PA's NPI number?
- Mark L. Ritch DO, PA's National Provider Identifier (NPI) is 1477945814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark L. Ritch DO, PA?
- Mark L. Ritch DO, PA is classified in the NPPES registry as Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark L. Ritch DO, PA located?
- Mark L. Ritch DO, PA's practice location on file with NPPES is 1000 Belcher Rd S, Largo, FL 33771-3321.
- What is Mark L. Ritch DO, PA's phone number?
- The practice phone number listed in the NPPES registry for Mark L. Ritch DO, PA is (727) 209-2662.
- Does Mark L. Ritch DO, PA accept Medicare?
- Mark L. Ritch DO, PA is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark L. Ritch DO, PA?
- The authorized official listed on Mark L. Ritch DO, PA's NPPES record is Mark Ritch, Sole Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark L. Ritch DO, PA's NPI active?
- Yes — Mark L. Ritch DO, PA's NPI (1477945814) is active in the NPPES registry as of the last update on 2016-12-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.