Alan C. Dejarnatt, MD
Allergy & Immunology Physician · Jackson, TN
Alan C. Dejarnatt, MD is an allergy & immunology physician with a practice address in Jackson, Tennessee, and NPI 1598750184, issued on Sep 20, 2005. Check the license (Tennessee 19924, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Alan C. Dejarnatt
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- 19924 TN
Self-reported in NPPES; status is on the state search - Practice location
- 464 N Parkway, Jackson, TN 38305
- Phone
- (731) 660-0138
- Enumerated
- Sep 20, 2005
- Record last updated
- May 26, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040426001146); accepts Medicare assignment
- Medical or professional school
- University Of Tennessee, Hsc, College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 85 in Tennessee → Look up another NPI →
Verify Alan C. Dejarnatt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 19924Check 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% more Medicare Part D claims than the average allergy & immunology physician in 2024
1,240 Medicare Part D claims for 256 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D.
Most prescribed
- Azelastine Hcl227 claims
- Fluticasone Propionate226 claims
- Ipratropium Bromide85 claims
- Albuterol Sulfate Hfa76 claims
- Trelegy Ellipta53 claims
- Icatibant44 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.
Industry payments in 2024: $940.95
46 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
- Psf PLLCChattanooga, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alan C. Dejarnatt among 85 allergy & immunology physician records in Tennessee
Alan C. Dejarnatt, 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
- Graduated1986 · median 2001 among the 68 with a school on file
- Record last updated2021 · 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 Jackson → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Nora Daher, MDGermantown, TN 381381821265000
- Gregory Hanissian, MDGermantown, TN 381381033216148
- Tammy Heinly McCulley, M.D.Germantown, TN 381381609801000
- Michael Woodbury, M.D.Bartlett, TN 381331154313591
- Joe Levy, M.D.Memphis, TN 381191023001781
- Phillip Lieberman, MDMemphis, TN 381191629009717
- Reena Patel, DOMemphis, TN 381191669821187
- Venusa Phomakay, M.D.Memphis, TN 381191578917233
Common questions
What is Alan C. Dejarnatt, MD's NPI number?
Alan C. Dejarnatt, MD's National Provider Identifier (NPI) is 1598750184, issued on Sep 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Alan C. Dejarnatt, MD located?
The NPPES record lists a practice address at 464 N Parkway, Jackson, TN, 38305. Phone: (731) 660-0138. Providers update this record themselves, so call before visiting.
How can I verify Alan C. Dejarnatt, MD's license?
NPPES lists Tennessee license number 19924, 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 Alan C. Dejarnatt, MD prescribe under Medicare Part D?
In 2024, Alan C. Dejarnatt, MD had 1,240 Medicare Part D claims for 256 beneficiaries; the average among allergy & immunology physician prescribers was 741. 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.