CHARLES H MACHELL (M.D.) – Clinical Cardiac Electrophysiology Physician, NPI 1245230507
Clinical Cardiac Electrophysiology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
276 CARDIAC ELECTROPHYSIOLOGY in TX
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Provider Addresses for CHARLES H MACHELL (M.D.)
2600, Box Tree Drive, Brown, Upper Marlboro, Prince George's County, Maryland, 20774, United States
SAN ANTONIO, TX 782992600
Phone:
Type: Mailing
Ifjúsági Ház, Zrínyi utca, Belváros, Hódmezővásárhely, Hódmezővásárhelyi járás, Csongrád-Csanád, Southern Great Plain, Great Plain and North, 6800, Hungary
STE 350
SAN ANTONIO, TX 782012038
Phone: (210) 615-0494
Type: Location
707 E Marshall Ave
Longview, TX 756015545
Phone: (903) 315-5400
Type: Location
4604 NE Stallings Dr
Nacogdoches, TX 759651608
Phone: (903) 315-4880
Type: Location
703 E Marshall Ave Ste 5007
Longview, TX 756015554
Phone: (903) 315-5400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 21 Open Payments records for all available years, with a total value of $843.
Total Amount is formed as General ($843) + Research ($0) + Ownership ($0) = $843.
Last reported payment date: 2024-12-12 • Largest payer in this snapshot: Boston Scientific Corporation ($506).
Total Amount
$843
General + Research + Ownership
Payments
21
Total payment records
General Amount
$843
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-12
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $506 |
| BIOTRONIK INC. | $129 |
| Medtronic, Inc. | $113 |
| W. L. Gore & Associates, Inc. | $48 |
| Abbott Laboratories | $25 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-07-26
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20040305001015 | I | Cardiac Electrophysiology | TX | TBD |
| I20220726000966 | I | Cardiac Electrophysiology | NM | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 185 | 119 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 162 | 108 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 49 | 49 | $0 |
| 33208 | Insertion of pacemaker and upper and lower heart chamber electrode | 23 | 23 | $0 |
| 93248 | Heart rhythm review and interpretation of continous external ekg over 8-15 days | 15 | 15 | $0 |
Insurance plans in this area (ZIP 78299)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| CARDIAC ELECTROPHYSIOLOGY | TX | 93280 | Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report | 680 | 451 |
| CARDIAC ELECTROPHYSIOLOGY | TX | 93284 | Evaluation, testing and programming adjustment of defibrillator with analysis, review and report | 285 | 143 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| General Surgery | AZ | |
| Internal Medicine | TX | |
| Nurse Practitioner | TX | |
| Nurse Practitioner | TX | |
| - | TX | |
| E N D O C R I N O L O G Y | TX | |
| Nurse Practitioner | IL | |
| - | NC | |
| Physician Assistant | LA | |
| Hospitalist, Gastroenterology | TX |
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