DR. HAROLD MARS (M.D.) – Neurology Physician, NPI 1003900812

DR. HAROLD MARS (M.D.) is a healthcare provider. based in Beachwood, Ohio. specializing in Neurology Physician. They hold the professional credentials M.D.. They hold a License No. 35 032974 (OH). The NPI Number for DR. HAROLD MARS (M.D.) is 1003900812

Main info

Male
Sole Proprietor
Name
DR. HAROLD MARS (M.D.)
NPI
1003900812
Phone
(216) 831-6085
Address
3609 PARK EAST DR
Enumeration Date
3 October 2006
Last Update Date
2 April 2008
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. HAROLD MARS (M.D.)

  • 3609, Park East Drive, Beachwood, Cuyahoga County, Ohio, 44122, United States

    SUITE 517

    BEACHWOOD, OH 441224331

    Phone: (216) 831-6085

    Fax: (216) 831-6172

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 44122)

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Provider's Procedures

DR. HAROLD MARS (M.D.) performs procedures in Neurology Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
NEUROLOGYOH95910Nerve transmission studies, 7-8 studies2520

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Frequently asked questions

What is the 10-digit NPI for DR. HAROLD MARS (M.D.)?
DR. HAROLD MARS (M.D.) — NPI 1003900812 — is the standard way to identify this listing.
Is DR. HAROLD MARS (M.D.) still practicing?
DR. HAROLD MARS (M.D.) is currently listed as active in the public NPI registry.
What taxonomy line describes DR. HAROLD MARS (M.D.)?
For research purposes, treat DR. HAROLD MARS (M.D.) as Neurology Physician in this dataset. Clinical services aligned with this taxonomy classification.
Where should I expect DR. HAROLD MARS (M.D.) on a map?
Expect Beachwood, Ohio as a primary anchor for DR. HAROLD MARS (M.D.) unless the record lists multiple sites.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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