Doctor profile · Federal record
Dr. Marissa Johnson, CRNA
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Seguin, TX
- NPI 1740256742
- Accepts Medicare
- 23 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1215 E Court St
Seguin, TX 781555129
(830) 379-5867
fax (830) 401-4035
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- October 24, 2013
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State license (1)
- Texas #TBN573224
- Medicaid
- TX #312189901
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1740256742. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
297
Distinct HCPCS
4
Medicare allowed
$31,438
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 107 | 107 | $105 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 78 | 74 | $115 | |
00812 |
Anesthesia for exam of colon using an endoscope | 72 | 72 | $83 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 40 | 40 | $130 |
In context: peer comparison
Among 5 peers in Seguin Certified Registered Nurse Anesthetist, average services per provider: 41. This provider delivers 7.2× the peer median.Open Payments
Industry payments received
All-time total
$21
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ultragenyx Pharmaceutical INC. | 1 | $20.68 |
By nature of payment
Frequently asked questions
What is Dr. Marissa Johnson's medical specialty?
Dr. Marissa Johnson practices Certified Registered Nurse Anesthetist in Seguin, TX.
Where does Dr. Marissa Johnson practice?
Dr. Marissa Johnson practices at 1215 E Court St, Seguin, TX 781555129. Office phone: 8303795867.
What is Dr. Marissa Johnson's NPI?
Dr. Marissa Johnson's National Provider Identifier (NPI) is 1740256742, issued by NPPES.
Does Dr. Marissa Johnson accept Medicare assignment?
Yes. Dr. Marissa Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marissa Johnson commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for exam of colon using an endoscope (HCPCS 00812). Source: CMS Medicare Physician & Other Practitioners file.