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Marc Diamond, MD
NPI 1255368288 · Neurology Physician · Saint Louis, MO
Marc Diamond, MD is a Neurology Physician provider in Saint Louis, MO (NPI 1255368288).
Provider details
- NPI number
- 1255368288
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2009027531 (MO)
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
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
4921 Parkview Pl
Saint Louis, MO 63110-1032
Phone: (314) 362-1408
Fax: (314) 747-2444
Street-level locationGet directions
Mailing address
660 S Euclid Ave
Saint Louis, MO 63110-1010
Registry dates
- Enumerated
- 2006-06-26
- Last updated
- 2014-01-17
Frequently asked questions
- What is Marc Diamond's NPI number?
- Marc Diamond's National Provider Identifier (NPI) is 1255368288, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Diamond's specialty?
- Marc Diamond is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Marc Diamond located?
- Marc Diamond's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Marc Diamond's phone number?
- The practice phone number listed in the NPPES registry for Marc Diamond is (314) 362-1408.
- Is Marc Diamond's NPI active?
- Yes — Marc Diamond's NPI (1255368288) is active in the NPPES registry as of the last update on 2014-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.