Jonathan Adam Markowitz, M.D.
Critical Care Medicine (Internal Medicine) Physician · Tyler, TX
Jonathan Adam Markowitz, M.D. is a critical care medicine (internal medicine) physician with a practice address in Tyler, Texas, and NPI 1386636017, issued on Aug 18, 2005. Check the license (Texas K4497, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Jonathan Adam Markowitz
- Credential
- M.D.
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- K4497 TX
Self-reported in NPPES; status is on the state search - Practice location
- 618 S Broadway Ave, Tyler, TX 75701
- Phone
- (903) 596-9900
- Enumerated
- Aug 18, 2005
- Record last updated
- Oct 17, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (903) 596-0242
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 413 in Texas → Look up another NPI →
Also registered at 618 S Broadway Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Johnson, M.D.Critical Care Medicine (Internal Medicine) Physician1922090497
Verify Jonathan Adam Markowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license K4497Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $33.25
1 payment: food and beverage; the largest payer was Stryker Corporation. The 2,708 providers of this specialty with any payment received $2,958.68 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.
Jonathan Adam Markowitz among 413 critical care medicine (internal medicine) physician records in Texas
Jonathan Adam Markowitz, M.D. is one of 413 critical care medicine (internal medicine) physician records with a practice address in Texas. 90% 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, 94% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileNo · 84% of these records are
- Record last updated2011 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Texas
There are 413 critical care medicine (internal medicine) physician records in Texas.
All 413 in Texas → Every provider in Tyler → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Jamil Abbasi, M.D.Tyler, TX 757011033206602
- Eli Azzi, MDTyler, TX 757011770548786
- Subbarao Elapavaluru, MDTyler, TX 757011417150657
- Renee Hebbeler-Clark, M.D.Tyler, TX 757011528258340
- Terri Hoffman, MDTyler, TX 757011871512137
- Joel Johnson, M.D.Tyler, TX 757011922090497
- Jonathan Perez, M.D.Tyler, TX 757011801162029
- Daniel Rongo, MDTyler, TX 757011780174110
Common questions
What is Jonathan Adam Markowitz, M.D.'s NPI number?
Jonathan Adam Markowitz, M.D.'s National Provider Identifier (NPI) is 1386636017, issued on Aug 18, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Jonathan Adam Markowitz, M.D. located?
The NPPES record lists a practice address at 618 S Broadway Ave, Tyler, TX, 75701. Phone: (903) 596-9900. Providers update this record themselves, so call before visiting.
How can I verify Jonathan Adam Markowitz, M.D.'s license?
NPPES lists Texas license number K4497, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.