Doctor profile · Federal record
Dr. Ross Thormahlen, MD
Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · San Antonio, TX
- NPI 1326213158
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 22 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
4242 Medical Dr, Suite 3100
San Antonio, TX 782295640
(210) 477-9555
fax (210) 614-2180 - Mailing address
-
Po Box 34717
San Antonio, TX 782654717
Credentials & registration
- NPI registered
- April 2008 — 18 yrs on file
- Profile last updated
- April 11, 2013
- Year of graduation
- 2004 — 22 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State licenses (2)
- Texas #N7500 · North Carolina #2007-01955
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1326213158. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
756
Distinct HCPCS
10
Medicare allowed
$97,588
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 216 | 131 | $129 | |
64415 |
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 99 | 93 | $66 | |
01844 |
Anesthesia for placement or revision of blood flow shunt | 95 | 90 | $254 | |
76937 |
Ultrasonic guidance for blood vessel access | 72 | 67 | $13 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 71 | 66 | $43 | |
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 57 | 45 | $43 | |
64445 |
Injection of anesthetic agent and/or steroid into lower back and leg nerve (sciatic nerve) | 42 | 34 | $70 | |
00350 |
Anesthesia for other procedure on large blood vessel of neck | 29 | 27 | $396 | |
01270 |
Anesthesia for other procedure on artery of upper leg | 21 | 19 | $434 | |
36556 |
Insertion of non-tunneled central venous tube for infusion (5 years or older) | 16 | 16 | $70 |
In context: peer comparison
Among 98 peers in this city , average services per provider: 67. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$47
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Baxter Healthcare | 1 | $47.48 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Ross Thormahlen's medical specialty?
Dr. Ross Thormahlen practices Anesthesiology Physician in San Antonio, TX.
Where does Dr. Ross Thormahlen practice?
Dr. Ross Thormahlen practices at 4242 Medical Dr, San Antonio, TX 782295640. Office phone: 2104779555.
What is Dr. Ross Thormahlen's NPI?
Dr. Ross Thormahlen's National Provider Identifier (NPI) is 1326213158, issued by NPPES.
Does Dr. Ross Thormahlen accept Medicare assignment?
Yes. Dr. Ross Thormahlen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ross Thormahlen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (HCPCS 64415); Anesthesia for placement or revision of blood flow shunt (HCPCS 01844). Source: CMS Medicare Physician & Other Practitioners file.