Lynn Kristy Castle, PAC
Family Medicine Physician · Knoxville, TN
Lynn Kristy Castle, PAC is a family medicine physician with a practice address in Knoxville, Tennessee, and NPI 1780741223, issued on Jan 3, 2007. Check the license (Tennessee TND00000001152, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lynn Kristy Castle
- Credential
- PAC
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- TND00000001152 TN
PA0000000556 TN
Self-reported in NPPES; status is on the state search - Practice location
- 1930 Alcoa Hwy, Knoxville, TN 37920
- Phone
- (865) 305-9620
- Enumerated
- Jan 3, 2007
- Record last updated
- May 24, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (865) 305-9168
- Medicare enrollment
- Enrolled (PECOS I20110926000163); accepts Medicare assignment
- Medical or professional school
- Hahnemann University College Of Medicine, 1990
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 1930 Alcoa Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nicholas Cakmes, D.D.SGeneral Practice Dentistry1154771806
Verify Lynn Kristy Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license TND00000001152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average family medicine physician in 2024
670 Medicare Part D claims for 106 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.
Most prescribed
- Pantoprazole Sodium82 claims
- Ozempic56 claims
- Famotidine51 claims
- Ondansetron Hcl48 claims
- Mounjaro47 claims
- Omeprazole41 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.
The MIPS final score for 2023 (Medicare payment program): 95.7 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $404.88
18 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 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
- University Health System, Inc.Sevierville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Lynn Kristy Castle among 2,674 family medicine physician records in Tennessee
Lynn Kristy Castle, PAC 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 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 39% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1990 · median 2004 among the 1,685 with a school on file
- Record last updated2012 · 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 →
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- Daniel Cox, M.D.Knoxville, TN 379201417059254
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Common questions
What is Lynn Kristy Castle, PAC's NPI number?
Lynn Kristy Castle, PAC's National Provider Identifier (NPI) is 1780741223, issued on Jan 3, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Lynn Kristy Castle, PAC located?
The NPPES record lists a practice address at 1930 Alcoa Hwy, Knoxville, TN, 37920. Phone: (865) 305-9620. Providers update this record themselves, so call before visiting.
How can I verify Lynn Kristy Castle, PAC's license?
NPPES lists Tennessee license number TND00000001152, 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 Lynn Kristy Castle, PAC prescribe under Medicare Part D?
In 2024, Lynn Kristy Castle, PAC had 670 Medicare Part D claims for 106 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Lynn Kristy Castle, PAC's MIPS final score?
The 2023 MIPS final score is 95.7 of 100. 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.