Charles H. Machell, M.D.
Clinical Cardiac Electrophysiology Physician · San Antonio, TX
Charles H. Machell, M.D. is a clinical cardiac electrophysiology physician with a practice address in San Antonio, Texas, and NPI 1245230507, issued on Jul 28, 2005. Check the license (Texas F6894, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Charles H. Machell
- Credential
- M.D.
- Primary taxonomy
- Clinical Cardiac Electrophysiology Physician 207RC0001X
- License number
- F6894 TX
Self-reported in NPPES; status is on the state search - Practice location
- 6800 IH 10 W, San Antonio, TX 78201
- Phone
- (210) 615-0494
- Enumerated
- Jul 28, 2005
- Record last updated
- Jul 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20040305001015); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical Branch At Galveston, 1980
- Entity
- Type 1 · individual
8 nearest clinical cardiac electrophysiology physician records → All 234 in Texas → Look up another NPI →
Also registered at 6800 IH 10 W
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Payam Dehghani, MDSpecialist1508199290
Verify Charles H. Machell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license F6894Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average clinical cardiac electrophysiology physician in 2024
377 Medicare Part D claims for 135 beneficiaries, against an average of 1,710 among the 3,173 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Flecainide Acetate80 claims
- Eliquis73 claims
- Sotalol46 claims
- Amiodarone Hcl34 claims
- Metoprolol Succinate27 claims
- Metoprolol Tartrate25 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: $316.11
11 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,167 providers of this specialty with any payment received $10,651.37 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
- Christus Trinity ClinicLongview, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charles H. Machell among 234 clinical cardiac electrophysiology physician records in Texas
Charles H. Machell, M.D. is one of 234 clinical cardiac electrophysiology physician records with a practice address in Texas. 98% 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, 87% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 91% of these records are
- Graduated1980 · median 2001 among the 214 with a school on file
- Record last updated2025 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0001X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Clinical Cardiac Electrophysiology Physician providers in Texas
There are 234 clinical cardiac electrophysiology physician records in Texas.
All 234 in Texas → Every provider in San Antonio → Clinical Cardiac Electrophysiology Physician nationwide →
The 8 clinical cardiac electrophysiology physician records with the nearest ZIP codes
- Javier Roman-Gonzalez, M.D.San Antonio, TX 782011427058643
- Adam Denker, M.D.San Antonio, TX 782121205013463
- Roger Muse, MDSan Antonio, TX 782121700885324
- Stephen May, M.D.San Antonio, TX 782171689850216
- Zalmen Blanck, MDSan Antonio, TX 782291912976481
- Wassim Choucair, M.D.San Antonio, TX 782291962496620
- Kiran Jayaram, MDSan Antonio, TX 782291992777320
- Hemal Nayak, MDSan Antonio, TX 782291306892765
Common questions
What is Charles H. Machell, M.D.'s NPI number?
Charles H. Machell, M.D.'s National Provider Identifier (NPI) is 1245230507, issued on Jul 28, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Charles H. Machell, M.D. located?
The NPPES record lists a practice address at 6800 IH 10 W, San Antonio, TX, 78201. Phone: (210) 615-0494. Providers update this record themselves, so call before visiting.
How can I verify Charles H. Machell, M.D.'s license?
NPPES lists Texas license number F6894, 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.
How much does Charles H. Machell, M.D. prescribe under Medicare Part D?
In 2024, Charles H. Machell, M.D. had 377 Medicare Part D claims for 135 beneficiaries; the average among clinical cardiac electrophysiology physician prescribers was 1,710. 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.