Marc J Horwitz M D Incorporated
NPI 1578541132 · Psychiatry Physician · Pepper Pike, OH
Marc J Horwitz M D Incorporated is a Psychiatry Physician organization in Pepper Pike, OH (NPI 1578541132).
Provider details
- NPI number
- 1578541132
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marc Horwitz, President(216) 831-4300
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
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
Mailing address
Registry dates
- Enumerated
- 2006-01-04
- Last updated
- 2010-05-06
Frequently asked questions
- What is Marc J Horwitz M D Incorporated's NPI number?
- Marc J Horwitz M D Incorporated's National Provider Identifier (NPI) is 1578541132, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marc J Horwitz M D Incorporated?
- Marc J Horwitz M D Incorporated is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Marc J Horwitz M D Incorporated located?
- Marc J Horwitz M D Incorporated's practice location on file with NPPES is 28250 N Woodland Rd, Pepper Pike, OH 44124-4525.
- What is Marc J Horwitz M D Incorporated's phone number?
- The practice phone number listed in the NPPES registry for Marc J Horwitz M D Incorporated is (216) 831-4300.
- Who is the authorized official for Marc J Horwitz M D Incorporated?
- The authorized official listed on Marc J Horwitz M D Incorporated's NPPES record is Marc Horwitz, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marc J Horwitz M D Incorporated's NPI active?
- Yes — Marc J Horwitz M D Incorporated's NPI (1578541132) is active in the NPPES registry as of the last update on 2010-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.