Stephen Ray Koster, C.R.N.A.
Certified Registered Nurse Anesthetist · Savannah, TN
Stephen Ray Koster, C.R.N.A. is a certified registered nurse anesthetist with a practice address in Savannah, Tennessee, and NPI 1942221726, issued on Jul 21, 2006. Check the license with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Ray Koster
- Credential
- C.R.N.A.
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License number
- R858883 MS
Self-reported in NPPES; status is on the state search - Practice location
- 935 Wayne RD, Savannah, TN 38372
- Phone
- (731) 926-8179
- Enumerated
- Jul 21, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220209002288); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 3,117 in Tennessee → Look up another NPI →
Also registered at 935 Wayne RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacob Carroll, CRNACertified Registered Nurse Anesthetist1982149621
- Jordan Clayton, NP-CFamily Nurse Practitioner1134575681
- John Freeman, MDEmergency Medicine Physician1275558439
- Brandilyn HartPhysical Therapy Assistant1114490661
- Nicole HillOccupational Therapy Assistant1194298778
Verify Stephen Ray Koster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $16.08
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 24,076 providers of this specialty with any payment received $135.08 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Methodist Health, Inc.Henderson, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Ray Koster among 3,117 certified registered nurse anesthetist records in Tennessee
Stephen Ray Koster, C.R.N.A. is one of 3,117 certified registered nurse anesthetist records with a practice address in Tennessee. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 65% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1981 · median 2012 among the 2,370 with a school on file
- Record last updated2007 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 certified registered nurse anesthetist records list a practice address in Savannah
They are 6 of the 210 NPPES records with a practice address in Savannah, and 3,117 certified registered nurse anesthetist records in Tennessee.
All 3,117 in Tennessee → Every provider in Savannah → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Jacob Carroll, CRNASavannah, TN 383721982149621
- Lori Stensloff, CRNASavannah, TN 383721851347199
- Jon Stensloff, CRNASavannah, TN 383721013956747
- Terrell Tedford, CRNASavannah, TN 383721780738799
- Christina Zavatchen, CRNASavannah, TN 383721699875237
- Shirley Hergesheimer, CRNAMichie, TN 383571801943519
- Alexandria WebbMedina, TN 383551376463968
- Melissa Davis, CRNAColumbia, TN 384011588760938
Common questions
What is Stephen Ray Koster, C.R.N.A.'s NPI number?
Stephen Ray Koster, C.R.N.A.'s National Provider Identifier (NPI) is 1942221726, issued on Jul 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Ray Koster, C.R.N.A. located?
The NPPES record lists a practice address at 935 Wayne RD, Savannah, TN, 38372. Phone: (731) 926-8179. Providers update this record themselves, so call before visiting.
How can I verify Stephen Ray Koster, C.R.N.A.'s license?
Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.