THE RONTAL CLINIC;THE RONTAL CLINIC, PC,THE RONTAL-AKERVALL CLINIC
NPI 1114028263
Otolaryngology in Royal Oak, MI
About The Rontal Clinic;the Rontal Clinic, Pc,the Rontal-akervall Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
THE RONTAL CLINIC;THE RONTAL CLINIC, PC,THE RONTAL-AKERVALL CLINIC (NPI 1114028263) is a healthcare organization registered as an otolaryngology in Royal Oak, Michigan and active in the NPI registry since September 2006. The organization lists Michael Rontal, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
Group Practice 1
Accepted 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)
The Rontal Clinic;the Rontal Clinic, Pc,the Rontal-akervall Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
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.
Clinicians Billing Medicare Through This Organization
5Medicare enrollment records show 5 clinicians reassign Medicare billing to The Rontal Clinic;the Rontal Clinic, PC,the Rontal-Akervall Clinic, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. They are listed nearest first.
Clinicians, nearest first (5)
Farmington Hills, MI 48334
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Oakland Medical Services, P.C.'s NPI number?
The NPI number for Oakland Medical Services, P.C. is 1114028263. It was assigned to this organization in the NPPES registry on September 25, 2006. The provider is doing business as The Rontal Clinic;the Rontal Clinic, Pc,the Rontal-Akervall Clinic.
Where is Oakland Medical Services, P.C. located?
Oakland Medical Services, P.C. is located at 30701 Woodward Ave Ste 200, Royal Oak, MI 48073. The listed phone number is (248) 737-4030.
What is Oakland Medical Services, P.C.'s specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Oakland Medical Services, P.C. enrolled in Medicare?
Yes. Oakland Medical Services, P.C. is registered in the Medicare PECOS enrollment system.
When is Oakland Medical Services, P.C.'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 December 31, 2026. 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 Oakland Medical Services, P.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 2 Medicare specialties reassign their Medicare billing to Oakland Medical Services, P.C.. 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 Otolaryngology (4) and Nurse Practitioner (1). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Oakland Medical Services, P.C. accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Oakland Medical Services, P.C. 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 Oakland Medical Services, P.C. was last updated on February 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# The Rontal Clinic;the Rontal Clinic, Pc,the Rontal-Akervall Clinic · NPI 1114028263
Otolaryngology organization in Royal Oak, Michigan. Organization record, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1114028263 (Entity type: Organization)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Otolaryngology · taxonomy 207Y00000X
- **Legal business name:** Oakland Medical Services, P.c.
- **Organization subpart:** No
- **Authorized official:** Michael Rontal, PRESIDENT
## Practice location
- **Address:** 30701 WOODWARD AVE STE 200, Royal Oak, MI 48073-0990
- **Phone:** (248) 737-4030 · **Fax:** (248) 307-7873
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, Michigan, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 5 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Otolaryngology (4), Nurse Practitioner (1); 3 practice at this address and 4 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 3, 2021
- **Other identifiers:** Other 040F313070 (MI)
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Source: [NPI Profile](https://npiprofile.com/npi/1114028263) · Data from the CMS NPPES public registry.