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ATRIUM MEDICAL GROUP, INC
NPI 1851340822
Specialist in Willoughby, OH

Active since May 08, 2006CLIA Certified · 4 labs
35717 EUCLID AVE, WILLOUGHBY, OH 44094(440) 946-8300 Get Directions Write a Review

NPPES record last updated: April 29, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Feb 24, 2025, Jun 3, 2024, Apr 22, 2024 (3 updates tracked since 2024).

About Atrium Medical Group, Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ATRIUM MEDICAL GROUP, INC (NPI 1851340822) is a healthcare organization registered as a specialist in Willoughby, Ohio and active in the NPI registry since May 2006. The organization holds 4 active CLIA laboratory certificates, maintains 6 additional practice locations, and lists Ranjit B Tamaskar, President, as its authorized official.

NPPES Registry Identity

NPI1851340822
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameATRIUM MEDICAL GROUP, INC
Location Address35717 EUCLID AVEWilloughby, OH 44094-4618
Mailing AddressPo Box 931596Cleveland, OH 44193-1724 · (440) 449-1540 · Fax (440) 460-2833
Phone(440) 946-8300
Organization SubpartNo
Authorized OfficialRanjit B TamaskarPresident · (440) 449-1540
Enumeration DateMay 8, 2006
Last NPPES UpdateApril 29, 20253 updates tracked since enumeration
NPPES CertifiedApril 29, 2025
✔ NPI 1851340822 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

35717 EUCLID AVE, Willoughby, OH 44094
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Secondary Practice Locations 6

Location 16555 Wilson Mills Rd Ste 103DMayfield Village, OH 44143-3435 · Phone (440) 449-1540
Location 299 Northline Cir Ste 99Euclid, OH 44119-1481 · Phone (440) 449-1540
Location 3124 Liberty St Ste BPainesville, OH 44077-3362 · Phone (440) 449-1540
Location 45966 Heisley Rd Ste 104Mentor, OH 44060-5849 · Phone (440) 449-1540
Location 535717 Euclid AveWilloughby, OH 44094-4618 · Phone (440) 449-1540
Location 636100 Euclid Ave Ste 350Willoughby, OH 44094-4489 · Phone (440) 449-1540

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA 4

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 36D2256743

Atrium Medical Group Inc · Mentor, OH
Active · expires Mar 27, 2028
CLIA Number36D2256743
Laboratory TypePhysician Office
Certificate Effective DateMarch 28, 2026
Certificate Expiration DateMarch 27, 2028
Laboratory DirectorRanjit Tamaskar
Laboratory Phone(440) 946-8300
Laboratory LocationAtrium Medical Group Inc5966 Heisley Road, Suite 104, Mentor, OH 44060
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 36D2092043

Atrium Medical Group Inc · Willoughby, OH
Active · expires Feb 24, 2027
CLIA Number36D2092043
Laboratory TypePhysician Office
Certificate Effective DateFebruary 25, 2025
Certificate Expiration DateFebruary 24, 2027
Laboratory DirectorRanjit Tamaskar
Laboratory Phone(440) 946-8300
Laboratory LocationAtrium Medical Group Inc35717 Euclid Avenue, Willoughby, OH 44094
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 36D2293495

Atrium Medical Group, Inc · Mayfield Village, OH
Active · expires Nov 8, 2027
CLIA Number36D2293495
Laboratory TypePhysician Office
Certificate Effective DateNovember 9, 2025
Certificate Expiration DateNovember 8, 2027
Laboratory DirectorRanjit B. Tamaskar
Laboratory Phone(440) 946-8300
Laboratory LocationAtrium Medical Group, Inc6555 Wilson Mills Road - D103, Mayfield Village, OH 44143
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 36D1093979

Atrium Medical Group Inc · Euclid, OH
Active · expires Aug 20, 2027
CLIA Number36D1093979
Laboratory TypePhysician Office
Certificate Effective DateAugust 21, 2025
Certificate Expiration DateAugust 20, 2027
Laboratory DirectorRanjit Tamaskar
Laboratory Phone(440) 946-8300
Laboratory LocationAtrium Medical Group Inc99 Northline Circle - Suite 99, Euclid, OH 44119
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

KIMBERLY VANIK CNP
Nurse Practitioner (Family)
35717 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 449-1540
ALEXANDRIA UHER FNP
Nurse Practitioner (Family)
35717 EUCLID AVE
WILLOUGHBY, OH 44094
Lake County (440) 449-1540

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Atrium Medical Group, Inc's NPI number?

The NPI number for Atrium Medical Group, Inc is 1851340822. It was assigned to this organization in the NPPES registry on May 8, 2006.

Where is Atrium Medical Group, Inc located?

Atrium Medical Group, Inc is located at 35717 Euclid Ave, Willoughby, OH 44094. The listed phone number is (440) 946-8300.

What is Atrium Medical Group, Inc's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Does Atrium Medical Group, Inc hold CLIA laboratory certificates?

Yes. 4 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Atrium Medical Group, Inc accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Atrium Medical Group, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Atrium Medical Group, Inc was last updated on April 29, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.