RYAN T GASSIN M.D.
NPI 1417151572
Anesthesiology in Springfield, MO
About Ryan T Gassin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RYAN T GASSIN M.D. (NPI 1417151572) is an individual anesthesiology provider in Springfield, Missouri, licensed in Missouri (2011017817) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS, is affiliated with Piedmont Columbus Regional Midtown, and maintains a secondary practice location in West Plains.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 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
Ryan T Gassin 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
11Medicare enrollment records show Ryan Gassin reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mountain Grove, MO 65711
- Reassigned Medicare billing, Missouri enrollment
- 338 clinicians in this Medicare group
Overland Park, KS 66210
- Reassigned Medicare billing, Missouri enrollment
- 281 clinicians in this Medicare group
Rombauer, MO 63901
- Reassigned Medicare billing, Missouri enrollment
- 217 clinicians in this Medicare group
Little Rock, AR 72205
- Reassigned Medicare billing, Arkansas enrollment
- 253 clinicians in this Medicare group
New Iberia, LA 70563
- Reassigned Medicare billing, Arkansas enrollment
- 232 clinicians in this Medicare group
Columbus, GA 31901
- Reassigned Medicare billing, Georgia enrollment
- 165 clinicians in this Medicare group
Denver, CO 80218
- Reassigned Medicare billing, Colorado enrollment
- 160 clinicians in this Medicare group
Princeton, WV 24740
- Reassigned Medicare billing, West Virginia enrollment
- 95 clinicians in this Medicare group
Edwards, CO 81632
- Reassigned Medicare billing, Colorado enrollment
- 128 clinicians in this Medicare group
Naples, FL 34119
- Reassigned Medicare billing, Florida enrollment
- 767 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Piedmont Columbus Regional Midtown
Acute Care Hospitals · Columbus, GAPiedmont Columbus Regional Northside
Acute Care Hospitals · Columbus, GAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SPRINGFIELD, MO 65804
SPRINGFIELD, MO 65804
SPRINGFIELD, MO 65804
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 Gassin's NPI number?
The NPI number for Ryan Gassin is 1417151572. It was assigned to this individual provider in the NPPES registry on June 13, 2007.
Where is Ryan Gassin located?
Ryan Gassin practices at 1235 E Cherokee St, Springfield, MO 65804. The listed phone number is (417) 820-2829.
What is Ryan Gassin's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Ryan Gassin enrolled in Medicare?
Yes. Ryan Gassin 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 Gassin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ryan Gassin reassigns Medicare benefits to 11 organizations: Ozarks Medical Center (Mountain Grove, MO), Anesthesia Associates Of Kansas City PA (Overland Park, KS), Capital Anesthesia Solutions Of Missouri LLC (Rombauer, MO), Arkansas Health Group (Little Rock, AR), Youngs Professional Services LLC (New Iberia, LA) and 6 more organizations, listed in the Medicare section above. 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 Gassin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ryan Gassin accept?
Health plans from Arkansas Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Health Advantage and Octave list Ryan Gassin 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 Gassin affiliated with any hospitals?
According to CMS data, Ryan Gassin is affiliated with Piedmont Columbus Regional Midtown and Piedmont Columbus Regional Northside.
When was this NPI record last updated?
The NPPES record for Ryan Gassin was last updated on February 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Ryan T Gassin, M.D. · NPI 1417151572
Anesthesiology physician in Springfield, Missouri. Individual provider, active in the CMS NPPES registry since June 13, 2007.
## Identity
- **NPI:** 1417151572 (Entity type: Individual)
- **Enumerated:** June 13, 2007
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 2011017817 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 1235 E CHEROKEE ST, Springfield, MO 65804-2203
- **Phone:** (417) 820-2829 · **Fax:** (417) 820-8852
## 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:** 11 organizations under Medicare reassignment (form CMS-855R): Ozarks Medical Center (NPI 1376679423, Mountain Grove, MO); Anesthesia Associates Of Kansas City PA (NPI 1174504732, Overland Park, KS); Capital Anesthesia Solutions Of Missouri LLC (NPI 1770185472, Rombauer, MO); Arkansas Health Group (NPI 1508800962, Little Rock, AR); Youngs Professional Services LLC (NPI 1922178599, New Iberia, LA); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Wisconsin, class of 2007
## Record status
- **NPPES last updated:** February 9, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1417151572) · Data from the CMS NPPES public registry.