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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: October 18, 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
Open in Google Maps ↗

Secondary Practice Locations 6

Location 16555 Wilson Mills Rd Ste 103DMayfield Village, OH 44143-3435 · Phone (440) 449-1540
Location 2124 Liberty St Ste BPainesville, OH 44077-3362 · Phone (440) 449-1540
Location 399 Northline Cir Ste 99Euclid, OH 44119-1481 · Phone (440) 449-1540
Location 435717 Euclid AveWilloughby, OH 44094-4618 · Phone (440) 449-1540
Location 55966 Heisley Rd Ste 104Mentor, OH 44060-5849 · 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 ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Atrium Medical Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

21

Medicare enrollment records show 21 clinicians reassign Medicare billing to Atrium Medical Group, Inc, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 16 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 3

Nurse Practitioner14
Internal Medicine6
Neurology1

Nearest to this location (20)

See all 21
Alexandria Uher, FNP
Nurse Practitioner
NPI 1063151132
35717 EUCLID AVE
Willoughby, OH 44094
(440) 449-1540
✔ PECOS✔ Accepts MedicareSame address
Kimberly Vanik, CNP
Nurse Practitioner
NPI 1013310051
35717 EUCLID AVE
Willoughby, OH 44094
(440) 449-1540
✔ PECOS✔ Accepts MedicareSame address
Syed Ashraf, M.D.
Internal Medicine
NPI 1760431860
36100 EUCLID AVE STE 350
Willoughby, OH 44094
(440) 449-1540
✔ PECOS✔ Accepts Medicare0.1 mi
Carolyn Dixon, CNP
Nurse Practitioner
NPI 1003153644
36100 EUCLID AVE STE 350
Willoughby, OH 44094
(440) 449-1540
✔ PECOS✔ Accepts Medicare0.1 mi
Sandra Lavelle, NP
Nurse Practitioner
NPI 1457635229
36100 EUCLID AVE STE 350
Willoughby, OH 44094
(440) 449-1540
✔ PECOS✔ Accepts Medicare0.1 mi
Harbhajan Parmar, M.D.
Internal Medicine
NPI 1003842824
36100 EUCLID AVE STE 350
Willoughby, OH 44094
(440) 946-8300
✔ PECOS✔ Accepts Medicare0.1 mi
Ranjit Tamaskar, M.D.
Internal Medicine
NPI 1912956418
36100 EUCLID AVE STE 350
Willoughby, OH 44094
(440) 449-1540
✔ PECOS0.1 mi
Tabitha Ritchey, NP-C
Nurse Practitioner
NPI 1881079788
7380 CONNIE DR
Mentor, OH 44060
(440) 666-9025
✔ PECOS✔ Accepts Medicare3.9 mi
Ravi Krishnan, M.D.
Internal Medicine
NPI 1306836150
6559 WILSON MILLS RD SUITE106
Mayfield Village, OH 44143
(855) 449-1540
✔ PECOS✔ Accepts Medicare5.9 mi
Lyndsey Decesare
Nurse Practitioner
NPI 1912540543
6559 WILSON MILLS RD STE 106A
Mayfield Village, OH 44143
(855) 449-1540
✔ PECOS✔ Accepts Medicare5.9 mi
Nicole Maddox, APRN
Nurse Practitioner
NPI 1891455325
6559 WILSON MILLS RD STE 106
Cleveland, OH 44143
(440) 449-1540
✔ PECOS✔ Accepts Medicare5.9 mi
Beejadi Mukunda, M.D.
Internal Medicine
NPI 1225087208
6559 WILSON MILLS RD STE 106A
Mayfield Village, OH 44143
(855) 449-1540
✔ PECOS✔ Accepts Medicare5.9 mi
Dana Pierce
Nurse Practitioner
NPI 1487132312
6559 WILSON MILLS RD
Mayfield Village, OH 44143
(440) 449-1540
✔ PECOS✔ Accepts Medicare5.9 mi
Dharmesh Mehta, M.D.
Internal Medicine
NPI 1629381363
6555 WILSON MILLS RD STE 103D
Mayfield Village, OH 44143
(440) 946-8300
✔ PECOS✔ Accepts Medicare6.0 mi
Yelena Bogatello, AGPCNP, NP-C
Nurse Practitioner
NPI 1407198914
6803 MAYFIELD RD STE 409
Mayfield Hts, OH 44124
(440) 946-4662
✔ PECOS✔ Accepts Medicare7.3 mi
Marissa Mack, CNP
Nurse Practitioner
NPI 1497146195
6780 MAYFIELD RD
Mayfield Heights, OH 44124
(440) 312-4500
✔ PECOS✔ Accepts Medicare7.4 mi
Kelly Dion, CNP
Nurse Practitioner
NPI 1336555069
4110 WARRENSVILLE CENTER ROAD
Warrensville Heights, OH 44122
(216) 491-6000
✔ PECOS✔ Accepts Medicare13 mi
Aamir Hussain, MD
Neurology
NPI 1558529404
13170 RAVENNA RD BLDG SUITE102
Chardon, OH 44024
(440) 285-2888
✔ PECOS✔ Accepts Medicare15 mi
Jessica Martin, CNP
Nurse Practitioner
NPI 1932618642
13221 RAVENNA RD STE 8
Chardon, OH 44024
(440) 286-6155
✔ PECOS✔ Accepts Medicare15 mi
Joseph Scaminace, CNP
Nurse Practitioner
NPI 1508279464
12000 MCCRACKEN RD STE 201
Garfield Heights, OH 44125
(216) 662-5600
✔ PECOS✔ Accepts Medicare17 mi
See all 21 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

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.

Is Atrium Medical Group, Inc enrolled in Medicare?

Yes. Atrium Medical Group, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Atrium Medical Group, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 21 clinicians in 3 Medicare specialties reassign their Medicare billing to Atrium Medical Group, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (14), Internal Medicine (6) and Neurology (1). Of these, 2 practice at this address and 16 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.