Doctor profile · Federal record
Dr. Margaret Tweel, CRNA
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Oak Ridge, TN
- NPI 1467421362
- Accepts Medicare
- 40 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
990 Oak Ridge Tpke, Anesthesia Dept
Oak Ridge, TN 378306976
(865) 481-1112
fax (770) 237-1124 - Mailing address
-
Po Box 5059
Oak Ridge, TN 378315059
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- March 12, 2021
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State license (1)
- Tennessee #42646
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1467421362. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
216
Distinct HCPCS
5
Medicare allowed
$23,039
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00142 |
Anesthesia for lens surgery | 136 | 128 | $94 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 28 | 28 | $116 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 21 | 21 | $123 | |
00103 |
Anesthesia for procedure on eyelid | 19 | 19 | $136 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 12 | 11 | $155 |
In context: peer comparison
Among 6 peers in Oak Ridge Certified Registered Nurse Anesthetist, average services per provider: 37. This provider delivers 5.8× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Margaret Tweel's medical specialty?
Dr. Margaret Tweel practices Certified Registered Nurse Anesthetist in Oak Ridge, TN.
Where does Dr. Margaret Tweel practice?
Dr. Margaret Tweel practices at 990 Oak Ridge Tpke, Oak Ridge, TN 378306976. Office phone: 8654811112.
What is Dr. Margaret Tweel's NPI?
Dr. Margaret Tweel's National Provider Identifier (NPI) is 1467421362, issued by NPPES.
Does Dr. Margaret Tweel accept Medicare assignment?
Yes. Dr. Margaret Tweel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret Tweel commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for lens surgery (HCPCS 00142); 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). Source: CMS Medicare Physician & Other Practitioners file.