1. Home
  2. Directory
  3. Michigan
  4. Okemos
  5. Internal Medicine
  6. NPI Profile

ADVANCED RHEUMATOLOGY, PC
NPI 1356651566
Internal Medicine - Rheumatology in Okemos, MI

Active since October 21, 2010CLIA 23D2018518 · Waiver
2375 WOODLAKE DR STE 300, OKEMOS, MI 48864(517) 908-3600(517) 908-3601 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 5, 2026, Jul 1, 2024 (2 updates tracked since 2024).

About Advanced Rheumatology, Pc NPPES

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

ADVANCED RHEUMATOLOGY, PC (NPI 1356651566) is a healthcare organization registered as a rheumatology in Okemos, Michigan and active in the NPI registry since October 2010. The organization holds a CLIA Waiver certificate valid through January 6, 2027 and lists James Edward Salliotte, Business Manager, as its authorized official.

NPPES Registry Identity

NPI1356651566
Entity TypeOrganization
Primary Taxonomy207RR0500X
Legal Business NameADVANCED RHEUMATOLOGY, PC
Location Address2375 WOODLAKE DR STE 300Okemos, MI 48864-6021
Mailing Address2375 Woodlake Dr Ste 300Okemos, MI 48864-6021 · (517) 908-3600 · Fax (517) 908-3601
Phone(517) 908-3600
Fax(517) 908-3601
Organization SubpartNo
Authorized OfficialJames Edward SalliotteBusiness Manager · (517) 908-3606
Enumeration DateOctober 21, 2010
Last NPPES UpdateFebruary 5, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1356651566 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
Definition
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.
Also ListedNon-Pharmacy Dispensing SiteTaxonomy 332900000X
2375 WOODLAKE DR STE 300, Okemos, MI 48864
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Advanced Rheumatology, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by March 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateMichiganEnrollment IDO20110506000656Non-DME Part B · Clinic/Group PracticeDue dateMarch 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Advanced Rheumatology, PC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Monika Mohan, M.D.
Rheumatology
NPI 1295852895
2375 WOODLAKE DR STE 300
Okemos, MI 48864
(517) 908-3600
✔ PECOS✔ Accepts Medicare0.2 mi
Shanthi Virupannavar, D.O.
Rheumatology
NPI 1003109075
2375 WOODLAKE DR STE 300
Okemos, MI 48864
(517) 908-3600
✔ PECOS✔ Accepts Medicare0.2 mi

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

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 23D2018518

Advanced Rheumatology PC · Okemos, MI
Active · expires Jan 6, 2027
CLIA Number23D2018518
Laboratory TypePhysician Office
Certificate Effective DateJanuary 7, 2025
Certificate Expiration DateJanuary 6, 2027
Laboratory DirectorMonika Mohan
Laboratory Phone(517) 908-3600
Laboratory LocationAdvanced Rheumatology PC2375 Woodlake Drive Suite 300, Okemos, MI 48864
CLIA data matches this NPI record on: Address 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 Advanced Rheumatology, PC's NPI number?

The NPI number for Advanced Rheumatology, PC is 1356651566. It was assigned to this organization in the NPPES registry on October 21, 2010.

Where is Advanced Rheumatology, PC located?

Advanced Rheumatology, PC is located at 2375 Woodlake Dr Ste 300, Okemos, MI 48864. The listed phone number is (517) 908-3600.

What is Advanced Rheumatology, PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Advanced Rheumatology, PC enrolled in Medicare?

Yes. Advanced Rheumatology, PC is registered in the Medicare PECOS enrollment system.

When is Advanced Rheumatology, PC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Michigan, Clinic/Group Practice) is due for revalidation by March 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Advanced Rheumatology, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Rheumatology, reassign their Medicare billing to Advanced Rheumatology, PC. 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. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Advanced Rheumatology, PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 23D2018518) is associated with this NPI, valid through January 6, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Advanced Rheumatology, PC accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care and Ambetter from Arkansas Health & Wellness and 26 other insurers list Advanced Rheumatology, PC 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 Advanced Rheumatology, PC was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.