John Nelson Markham, CRNA
Certified Registered Nurse Anesthetist · Nashville, TN
John Nelson Markham, CRNA is a certified registered nurse anesthetist with a practice address in Nashville, Tennessee, and NPI 1578032280, issued on Nov 26, 2018. Check the license (Tennessee 25313, as entered in NPPES) with the Tennessee board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Nelson Markham
- Credential
- CRNA
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- 25313 TN
198782 TN
Self-reported in NPPES; status is on the state search - Practice location
- 110 29TH Ave N Ste 202, Nashville, TN 37203
- Phone
- (615) 327-4304
- Enumerated
- Nov 26, 2018
- Record last updated
- Jan 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (615) 327-7940
- Medicare enrollment
- Enrolled (PECOS I20190312001158); 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 110 29TH Ave N Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Anderson, CRNACertified Registered Nurse Anesthetist1841817335
- Jeremy Anderson, CRNACertified Registered Nurse Anesthetist1871730812
- Camellia Asgarian, M.D.Anesthesiology Physician1669762027
- Ashley Asher, MSN,ACNP, CRNACertified Registered Nurse Anesthetist1801172234
- Nicklaus Atria, M.D.Anesthesiology Physician1104185826
Verify John Nelson Markham in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Tennessee board licenses this profession
Search for license 25313Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 59.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $14.51
1 payment: food and beverage; the largest payer was Fisher & Paykel Healthcare Inc. 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
- Specialty Anesthesia OF TennesseeFranklin, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Nelson Markham among 3,117 certified registered nurse anesthetist records in Tennessee
John Nelson Markham, 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 2018, is newer than 73% of them.
- NPI issued2018 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated2018 · median 2012 among the 2,370 with a school on file
- Record last updated2019 · 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).
980 certified registered nurse anesthetist records list a practice address in Nashville
They are 980 of the 24,357 NPPES records with a practice address in Nashville, and 3,117 certified registered nurse anesthetist records in Tennessee.
All 3,117 in Tennessee → Every provider in Nashville → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Ashley Aimonetti, CRNANashville, TN 372031104825769
- Thomas Aimonetti, CRNANashville, TN 372031659370211
- Phyllis Bachus, CRNANashville, TN 372031144229717
- Melanie Baker, CRNANashville, TN 372031669471231
- Jyl Baskin, CRNANashville, TN 372031720087307
- David Beasley, CRNANashville, TN 372031215936893
- Frances Berkeley, CRNANashville, TN 372031750380291
- Kim Birdsong, CRNANashville, TN 372031982603585
Common questions
What is John Nelson Markham, CRNA's NPI number?
John Nelson Markham, CRNA's National Provider Identifier (NPI) is 1578032280, issued on Nov 26, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Nelson Markham, CRNA located?
The NPPES record lists a practice address at 110 29TH Ave N Ste 202, Nashville, TN, 37203. Phone: (615) 327-4304. Providers update this record themselves, so call before visiting.
How can I verify John Nelson Markham, CRNA's license?
NPPES lists Tennessee license number 25313, as entered by the provider. Search the Tennessee board that licenses this profession; the NPPES record confirms identity only.
What is John Nelson Markham, CRNA's MIPS final score?
The 2023 MIPS final score is 59.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.