DR. RYAN S DOSTER M.D.
NPI 1285868877
Internal Medicine - Infectious Disease in Louisville, KY
About Dr. Ryan S Doster M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RYAN S DOSTER M.D. (NPI 1285868877) is an individual infectious disease provider in Louisville, Kentucky, licensed in Kentucky (56699) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS, is affiliated with University Of Louisville Hospital, and maintains a secondary practice location in Nashville.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
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 S Doster M.d. 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 Reassignments
2Medicare enrollment records show Ryan Doster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- 2,337 clinicians in this Medicare group
Louisville, KY 40202
- Reassigned Medicare billing, Kentucky enrollment
- 27 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 Louisville Hospital
Acute Care Hospitals · Louisville, KYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 40202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
LOUISVILLE, KY 40202
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 Doster's NPI number?
The NPI number for Ryan Doster is 1285868877. It was assigned to this individual provider in the NPPES registry on May 11, 2009.
Where is Ryan Doster located?
Ryan Doster practices at 550 S Jackson St Fl 2, Louisville, KY 40202. The listed phone number is (502) 561-8844.
What is Ryan Doster's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Ryan Doster enrolled in Medicare?
Yes. Ryan Doster 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 organizations bill Medicare for Ryan Doster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Doster reassigns Medicare benefits to 2 organizations: University Of Louisville Physicians, Inc. (Louisville, KY) and University Of Louisville Research Foundation, Inc. (Louisville, KY). Each 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 Doster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Doster accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter of Tennessee and Anthem Blue Cross and Blue Shield list Ryan Doster 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.
Is Ryan Doster affiliated with any hospitals?
According to CMS data, Ryan Doster is affiliated with University Of Louisville Hospital.
When was this NPI record last updated?
The NPPES record for Ryan Doster was last updated on June 20, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 S Doster, M.D. · NPI 1285868877
Infectious Disease physician in Louisville, Kentucky. Individual provider, active in the CMS NPPES registry since May 11, 2009.
## Identity
- **NPI:** 1285868877 (Entity type: Individual)
- **Enumerated:** May 11, 2009
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** 56699 (Kentucky)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 S JACKSON ST FL 2, Louisville, KY 40202-1622
- **Phone:** (502) 561-8844
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): University Of Louisville Physicians, Inc. (NPI 1366722316, Louisville, KY); University Of Louisville Research Foundation, Inc. (NPI 1386835007, Louisville, KY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 2009
## Record status
- **NPPES last updated:** June 20, 2022
- **Other identifiers:** Medicaid 7100516740 (KY)
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Source: [NPI Profile](https://npiprofile.com/npi/1285868877) · Data from the CMS NPPES public registry.