William Travis Cain, MD
Allergy & Immunology Physician · Hermitage, TN
William Travis Cain, MD is an allergy & immunology physician with a practice address in Hermitage, Tennessee, and NPI 1821083973, issued on Sep 14, 2005. Check the license (Tennessee 38400, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Travis Cain
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 38400 TN
MD38400 TN
Self-reported in NPPES; status is on the state search - Practice location
- 5045 Old Hickory Blvd, Hermitage, TN 37076
- Phone
- (615) 475-0148
- Enumerated
- Sep 14, 2005
- Record last updated
- Mar 10, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (615) 475-0151
- Medicare enrollment
- Enrolled (PECOS I20040520001453); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 85 in Tennessee → Look up another NPI →
Also registered at 5045 Old Hickory Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Chelsea Carver, IBCLCLactation Consultant (Non-RN)1114751807
- Lisa Mylhousen, P.T.Physical Therapist1265573760
Verify William Travis Cain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 38400Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.1 times the Medicare Part D claims of the average allergy & immunology physician in 2024
2,293 Medicare Part D claims for 481 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Montelukast Sodium385 claims
- Famotidine307 claims
- Fluticasone Propionate291 claims
- Azelastine Hcl166 claims
- Xolair159 claims
- Albuterol Sulfate Hfa135 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 practice group's MIPS final score for 2023 (Medicare payment program): 98.3 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: $1,473.65
69 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 2,496 providers of this specialty with any payment received $8,321.81 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
- Allergy, Asthma, Immunology Center - TY Prince, PLLCMaryville, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Travis Cain among 85 allergy & immunology physician records in Tennessee
William Travis Cain, MD is one of 85 allergy & immunology physician records with a practice address in Tennessee. 87% 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, 78% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 81% of these records are
- Graduated1999 · median 2001 among the 68 with a school on file
- Record last updated2016 · 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 207K00000X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Tennessee
There are 85 allergy & immunology physician records in Tennessee.
All 85 in Tennessee → Every provider in Hermitage → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Sarah Adams, M.D.Hendersonville, TN 370751366705592
- Harold Moessner, MDFranklin, TN 370671649226770
- Steven Tate, MDFranklin, TN 370671427045830
- John Norvell, M.D.Franklin, TN 370641558310367
- John Overholt, MDFranklin, TN 370641407841430
- Jean Alexander, MDDickson, TN 370551790788982
- Jane Choi, M.D.Clarksville, TN 370431891004768
- Kourtney Gardner, M.D.Clarksville, TN 370431194168666
Common questions
What is William Travis Cain, MD's NPI number?
William Travis Cain, MD's National Provider Identifier (NPI) is 1821083973, issued on Sep 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Travis Cain, MD located?
The NPPES record lists a practice address at 5045 Old Hickory Blvd, Hermitage, TN, 37076. Phone: (615) 475-0148. Providers update this record themselves, so call before visiting.
How can I verify William Travis Cain, MD's license?
NPPES lists Tennessee license number 38400, 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 William Travis Cain, MD prescribe under Medicare Part D?
In 2024, William Travis Cain, MD had 2,293 Medicare Part D claims for 481 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
What is William Travis Cain, MD's MIPS final score?
The 2023 MIPS final score is 98.3 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.