DR. RYAN CHRISTOPHER BARNES DNP, CRNP, FNP-C
NPI 1649869645
Nurse Practitioner - Primary Care in Millersville, MD
About Dr. Ryan Christopher Barnes Dnp, Crnp, Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN CHRISTOPHER BARNES DNP, CRNP, FNP-C (NPI 1649869645) is an individual primary care provider in Millersville, Maryland, licensed in Maryland (R222604) and active in the NPI registry since January 2021. He is enrolled in Medicare PECOS, is affiliated with University Of Md Baltimore Washington Medical Center, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ryan Christopher Barnes Dnp, Crnp, Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Ryan Barnes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Glen Burnie, MD 21061
- Reassigned Medicare billing, Maryland enrollment
- 966 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of MD Baltimore Washington Medical Center
Acute Care Hospitals · Glen Burnie, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21108 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MILLERSVILLE, MD 21108
MILLERSVILLE, MD 21108
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 Ryan Barnes's NPI number?
The NPI number for Ryan Barnes is 1649869645. It was assigned to this individual provider in the NPPES registry on January 13, 2021.
Where is Ryan Barnes located?
Ryan Barnes practices at 8601 Veterans Hwy Ste 111, Millersville, MD 21108. The listed phone number is (410) 787-4000.
What is Ryan Barnes's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Ryan Barnes enrolled in Medicare?
Yes. Ryan Barnes is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Ryan Barnes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Barnes reassigns Medicare benefits to University Of Maryland Community Medical Group, Inc. (Glen Burnie, MD). The 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 Ryan Barnes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Ryan Barnes affiliated with any hospitals?
According to CMS data, Ryan Barnes is affiliated with University Of MD Baltimore Washington Medical Center.
When was this NPI record last updated?
The NPPES record for Ryan Barnes was last updated on January 13, 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.
# Dr. Ryan Christopher Barnes, DNP, CRNP, FNP-C · NPI 1649869645
Primary Care physician in Millersville, Maryland. Individual provider, active in the CMS NPPES registry since January 13, 2021.
## Identity
- **NPI:** 1649869645 (Entity type: Individual)
- **Enumerated:** January 13, 2021
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** R222604 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 8601 VETERANS HWY STE 111, Millersville, MD 21108-1571
- **Phone:** (410) 787-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Maryland Community Medical Group, Inc. (NPI 1295367894, Glen Burnie, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** January 13, 2021
- **Other identifiers:** Other R222604 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1649869645) · Data from the CMS NPPES public registry.