Jack Larsen
Family Medicine Physician · Johnson City, TN
Jack Larsen is a family medicine physician with a practice address in Johnson City, Tennessee, and NPI 1972063444, issued on Mar 21, 2019. Check the license (Tennessee 63135, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Jack Larsen
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 63135 TN
Self-reported in NPPES; status is on the state search - Practice location
- 917 W Walnut St, Johnson City, TN 37604
- Phone
- (423) 439-6464
- Enumerated
- Mar 21, 2019
- Record last updated
- Jan 18, 2024
- Medicaid ID
- Q050572 TN
- Medicare enrollment
- Enrolled (PECOS I20230802003172); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,674 in Tennessee → Look up another NPI →
Also registered at 917 W Walnut St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dalila AguilarStudent in an Organized Health Care Education/Training Program1760914360
- Mohammad Bin Amir, MDStudent in an Organized Health Care Education/Training Program1417873837
- Max Bayard, MDFamily Medicine Physician1588653521
- Christopher BridgesFamily Medicine Physician1588050538
- Morgan Buda, MDFamily Medicine Physician1689161663
- Alayna Cameron, MDStudent in an Organized Health Care Education/Training Program1669211769
Verify Jack Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTennessee Board of Medical Examiners
Search for license 63135Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
96 Medicare Part D claims for 20 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Buprenorphine-Naloxone45 claims
- Duloxetine Hcl11 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: $33.38
1 payment: food and beverage; the largest payer was Gilead Sciences, Inc. 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
- Medical Education Assistance CorporationJohnson City, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Larsen among 2,674 family medicine physician records in Tennessee
Jack Larsen 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 2019, is newer than 86% of them.
- NPI issued2019 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2019 · median 2004 among the 1,685 with a school on file
- Record last updated2024 · 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).
119 family medicine physician records list a practice address in Johnson City
They are 119 of the 3,807 NPPES records with a practice address in Johnson City, and 2,674 family medicine physician records in Tennessee.
All 2,674 in Tennessee → Every provider in Johnson City → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Nancy Barbarito, M.D.Johnson City, TN 376041376548677
- Max Bayard, MDJohnson City, TN 376041588653521
- Lee Colyar, M.D.Johnson City, TN 376041386626166
- John Crabill, MDJohnson City, TN 376041467438655
- Claire Decristofaro, MDJohnson City, TN 376041669472783
- Joseph Florence, MDJohnson City, TN 376041639155963
- Christina Hutchins, M.D.Johnson City, TN 376041245235423
- Stephanie Manginelli, M.D.Johnson City, TN 376041225010010
Common questions
What is Jack Larsen's NPI number?
Jack Larsen's National Provider Identifier (NPI) is 1972063444, issued on Mar 21, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Jack Larsen located?
The NPPES record lists a practice address at 917 W Walnut St, Johnson City, TN, 37604. Phone: (423) 439-6464. Providers update this record themselves, so call before visiting.
How can I verify Jack Larsen's license?
NPPES lists Tennessee license number 63135, 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 Jack Larsen prescribe under Medicare Part D?
In 2024, Jack Larsen had 96 Medicare Part D claims for 20 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.