Darren Bradley Drennon, CRNA
Certified Registered Nurse Anesthetist · Chattanooga, TN
Darren Bradley Drennon, CRNA is a certified registered nurse anesthetist with a practice address in Chattanooga, Tennessee, and NPI 1306827902, issued on Nov 10, 2005. Check the license (Tennessee APN9200, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Darren Bradley Drennon
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- APN9200 TN
RN57966 TN
Self-reported in NPPES; status is on the state search - Practice location
- 975 E. Third Street, Chattanooga, TN 37403
- Phone
- (423) 778-7608
- Enumerated
- Nov 10, 2005
- Record last updated
- Jul 30, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (423) 778-2360
- Medicaid IDs
- 8053519 NC
000865334D GA
3601693 TN
1512402 TN - Medicare enrollment
- Enrolled (PECOS I20090416000386); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 3,117 in Tennessee → Look up another NPI →
Also registered at 975 E. Third Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Betty Abraham, MDInternal Medicine Physician1093923633
- John Adkins, MDAnesthesiology Physician1295781516
- Sean Avakian, CRNACertified Registered Nurse Anesthetist1053542209
- Terri Belknap, CRNACertified Registered Nurse Anesthetist1639144553
- Vani Bollineni, MDInternal Medicine Physician1144430141
- Rachel Bone, CRNACertified Registered Nurse Anesthetist1215217567
Verify Darren Bradley Drennon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license APN9200Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average certified registered nurse anesthetist in 2024
19 Medicare Part D claims for 11 beneficiaries, against an average of 224 among the 246 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Bradley Anesthesia Services PCCleveland, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Darren Bradley Drennon among 3,117 certified registered nurse anesthetist records in Tennessee
Darren Bradley Drennon, CRNA 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1985 · median 2012 among the 2,370 with a school on file
- Record last updated2010 · 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).
356 certified registered nurse anesthetist records list a practice address in Chattanooga
They are 356 of the 7,377 NPPES records with a practice address in Chattanooga, and 3,117 certified registered nurse anesthetist records in Tennessee.
All 3,117 in Tennessee → Every provider in Chattanooga → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Terri Belknap, CRNAChattanooga, TN 374031639144553
- Warren Brewster, CRNAChattanooga, TN 374031972584563
- Shelli Dietrich, CRNAChattanooga, TN 374031700839214
- Elizabeth Dowden, CRNAChattanooga, TN 374031336175348
- Edward Gentry, CRNAChattanooga, TN 374031053347005
- Edward Hallock, CRNAChattanooga, TN 374031003882291
- Nicholas Lambert, CRNAChattanooga, TN 374031346252475
- Oscar Lewis, CRNAChattanooga, TN 374031881660033
Common questions
What is Darren Bradley Drennon, CRNA's NPI number?
Darren Bradley Drennon, CRNA's National Provider Identifier (NPI) is 1306827902, issued on Nov 10, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Darren Bradley Drennon, CRNA located?
The NPPES record lists a practice address at 975 E. Third Street, Chattanooga, TN, 37403. Phone: (423) 778-7608. Providers update this record themselves, so call before visiting.
How can I verify Darren Bradley Drennon, CRNA's license?
NPPES lists Tennessee license number APN9200, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
How much does Darren Bradley Drennon, CRNA prescribe under Medicare Part D?
In 2024, Darren Bradley Drennon, CRNA had 19 Medicare Part D claims for 11 beneficiaries; the average among certified registered nurse anesthetist prescribers was 224. Part D covers Medicare prescriptions 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.