Calla Walters, MD
Family Medicine Physician · Knoxville, TN
Calla Walters, MD is a family medicine physician with a practice address in Knoxville, Tennessee, and NPI 1659900918, issued on Apr 7, 2020. Check the license (Tennessee 67908, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Calla Walters
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 67908 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1924 Alcoa Hwy # U-67, Knoxville, TN 37920
- Phone
- (865) 305-9350
- Enumerated
- Apr 7, 2020
- Record last updated
- Aug 16, 2023
- Medicare enrollment
- Enrolled (PECOS I20231019002006); accepts Medicare assignment
- Medical or professional school
- West Virginia University School Of Medicine, 2020
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 1924 Alcoa Hwy # U-67
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mallory AllenStudent in an Organized Health Care Education/Training Program1679310056
- Nicholas ArrowoodStudent in an Organized Health Care Education/Training Program1881533586
- Thomas BellStudent in an Organized Health Care Education/Training Program1508561739
- Olivia Billingsley, DOStudent in an Organized Health Care Education/Training Program1356143861
- Megan Bradley, MDFamily Medicine Physician1336679174
Verify Calla Walters in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 67908Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% fewer Medicare Part D claims than the average family medicine physician in 2024
1,169 Medicare Part D claims for 250 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Gabapentin106 claims
- Atorvastatin Calcium41 claims
- Rosuvastatin Calcium37 claims
- Ozempic34 claims
- Alprazolam33 claims
- Mirtazapine29 claims
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
- University OF TennesseeKnoxville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Calla Walters among 2,674 family medicine physician records in Tennessee
Calla Walters, MD is one of 2,674 family medicine physician 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 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2004 among the 1,685 with a school on file
- Record last updated2023 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
244 family medicine physician records list a practice address in Knoxville
They are 244 of the 14,339 NPPES records with a practice address in Knoxville, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Knoxville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Amy Barger Stevens, MDKnoxville, TN 379201831156348
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- Daniel Cox, M.D.Knoxville, TN 379201417059254
- Larry Davis, MDKnoxville, TN 379201568420610
- Donald Keeble, MDKnoxville, TN 379201649232646
- Richard Mays, M.D.Knoxville, TN 379201275560351
- Fabian Mihelic, MD, FAAFPKnoxville, TN 379201639136179
Common questions
What is Calla Walters, MD's NPI number?
Calla Walters, MD's National Provider Identifier (NPI) is 1659900918, issued on Apr 7, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Calla Walters, MD located?
The NPPES record lists a practice address at 1924 Alcoa Hwy # U-67, Knoxville, TN, 37920. Phone: (865) 305-9350. Providers update this record themselves, so call before visiting.
How can I verify Calla Walters, MD's license?
NPPES lists Tennessee license number 67908, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Calla Walters, MD prescribe under Medicare Part D?
In 2024, Calla Walters, MD had 1,169 Medicare Part D claims for 250 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.