Doctor profile · Federal record
Dr. Michael Siegenthaler, MD
Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Surgery Physician · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · Longview, TX
- NPI 1093863532
- Accepts Medicare
- 35 yrs in practice
- Licensed in 4 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 6 locations .
- Primary practice
-
705 E Marshall Ave
Longview, TX 756015573
(903) 315-2777 - Additional location
-
2604 Saint Michael Dr Ste 425
Texarkana, TX 755032378
(903) 614-5600 - Additional location
-
707 E Marshall Ave
Longview, TX 756015545
(903) 315-4880 - Additional location
-
263 Farmington Ave
Farmington, CT 060308063
(860) 679-3343
fax (860) 679-4256 - Additional location
-
30 W McCreight Ave Ste 106
Springfield, OH 455041853
(937) 523-9825
fax (937) 523-9829 - Additional location
-
8600 Old Georgetown RD
Bethesda, MD 208141422
(301) 896-7610
fax (301) 896-7626 - Mailing address
-
30 W McCreight Ave Ste 106
Springfield, OH 455041853
Show 3 more locations
Credentials & registration
- NPI registered
- January 2007 — 19 yrs on file
- Profile last updated
- March 25, 2026
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 208G00000X — NUCC code
- State licenses (4)
- Connecticut #036842 · Maryland #D0068474 · Texas #L2653 · Pennsylvania #MD430302
- Medicaid
- MD #415096100
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093863532. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
91
Distinct HCPCS
5
Medicare allowed
$8,633
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 28 | 16 | $69 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 19 | $115 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 12 | $109 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 14 | 14 | $151 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 14 | 12 | $46 |
In context: peer comparison
Among 3 peers in Longview Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 45. This provider delivers 2.0× the peer median.Open Payments
Industry payments received
All-time total
$1,038
Transactions
20
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 5 | $643.19 | |
| Silk Road Medical, INC. | 1 | $172.18 | |
| Atricure, INC. | 12 | $142.24 | |
| W. L. Gore & Associates, INC. | 1 | $55.88 | |
| Abiomed | 1 | $24.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
19
Patients
0
Total drug cost
$134
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 19 | 0 | $134 |
Hospital affiliations
Frequently asked questions
What is Dr. Michael Siegenthaler's medical specialty?
Dr. Michael Siegenthaler practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in Longview, TX.
Where does Dr. Michael Siegenthaler practice?
Dr. Michael Siegenthaler practices at 705 E Marshall Ave, Longview, TX 756015573. Office phone: 9033152777.
What is Dr. Michael Siegenthaler's NPI?
Dr. Michael Siegenthaler's National Provider Identifier (NPI) is 1093863532, issued by NPPES.
Does Dr. Michael Siegenthaler accept Medicare assignment?
Yes. Dr. Michael Siegenthaler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Siegenthaler commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.