CHESTER RIVER OB/GYN
NPI 1841561701
Obstetrics & Gynecology in Chestertown, MD
About Chester River Ob/gyn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHESTER RIVER OB/GYN (NPI 1841561701) is a healthcare organization registered as an obstetrics & gynecology in Chestertown, Maryland and active in the NPI registry since January 2012. The organization lists Peter Odenwald, Vice President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Chester River Ob/gyn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
792Medicare enrollment records show 792 clinicians reassign Medicare billing to Chester River Ob/Gyn, which bills Medicare for the services they deliver. Of these, 2 practice at this address. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 43
Nearest to this location (20)
See all 792Baltimore, MD 21237
Baltimore, MD 21237
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 Luminis Health Medical Group, LLC's NPI number?
The NPI number for Luminis Health Medical Group, LLC is 1841561701. It was assigned to this organization in the NPPES registry on January 24, 2012. The provider is doing business as Chester River Ob/Gyn.
Where is Luminis Health Medical Group, LLC located?
Luminis Health Medical Group, LLC is located at 521 Washington Ave, Chestertown, MD 21620. The listed phone number is (410) 810-0767.
What is Luminis Health Medical Group, LLC's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Luminis Health Medical Group, LLC enrolled in Medicare?
Yes. Luminis Health Medical Group, LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Luminis Health Medical Group, LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 792 clinicians in 43 Medicare specialties reassign their Medicare billing to Luminis Health Medical Group, LLC. 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 (189), Internal Medicine (123) and Obstetrics/Gynecology (70). Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Luminis Health Medical Group, LLC was last updated on May 24, 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.
# Chester River Ob/gyn · NPI 1841561701
Obstetrics & Gynecology organization in Chestertown, Maryland. Organization record, active in the CMS NPPES registry since January 24, 2012.
## Identity
- **NPI:** 1841561701 (Entity type: Organization)
- **Enumerated:** January 24, 2012
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Legal business name:** Luminis Health Medical Group, Llc
- **Organization subpart:** No
- **Authorized official:** Peter Odenwald, VICE PRESIDENT
## Practice location
- **Address:** 521 WASHINGTON AVE, Chestertown, MD 21620-1217
- **Phone:** (410) 810-0767 · **Fax:** (410) 630-1677
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 792 clinicians in 43 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (189), Internal Medicine (123), Obstetrics/Gynecology (70); 2 practice at this address; [full list](https://npiprofile.com/npi/1841561701/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 24, 2021
- **Other identifiers:** Other Y945 (MD); Medicaid 4071751-36 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1841561701) · Data from the CMS NPPES public registry.