What is Harold Mars's NPI number?

Harold Mars's National Provider Identifier (NPI) is 1003900812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Harold Mars's specialty?

Harold Mars is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).

Where is Harold Mars located?

Harold Mars's practice location on file with NPPES is 3609 Park East Dr, Beachwood, OH 44122-4331.

What is Harold Mars's phone number?

The practice phone number listed in the NPPES registry for Harold Mars is (216) 831-6085.

Is Harold Mars's NPI active?

Yes — Harold Mars's NPI (1003900812) is active in the NPPES registry as of the last update on 2008-04-02.

IndividualActive

Harold Mars, M.D.

NPI 1003900812 · Neurology Physician · Beachwood, OH

Harold Mars, M.D. is a Neurology Physician provider in Beachwood, OH (NPI 1003900812).

Provider details

NPI number: 1003900812
Entity type: Individual
Primary specialty: Neurology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D.
Sex: Male
Sole proprietor: Yes
License: 35 032974 (OH)

Specialties & taxonomies

Neurology PhysicianPrimary2084N0400XLicense 35 032974 (OH)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(90/100 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

3609 Park East Dr

Suite 517

Beachwood, OH 44122-4331

Phone: (216) 831-6085

Fax: (216) 831-6172

Street-level locationGet directions

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Mailing address