Doctor profile · Federal record
Dr. Karolyn Teufel, MD
Internal Medicine Physician (CMS: Internal Medicine) · Washington, DC
- NPI 1790759264
- Accepts Medicare
- 23 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
900 23Rd St Nw
Washington, DC 200372342
(202) 715-5109
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- January 17, 2026
- Year of graduation
- 2003 — 23 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- District of Columbia #MD040414
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790759264. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
341
Distinct HCPCS
5
Medicare allowed
$36,754
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 174 | 81 | $88 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 82 | 34 | $132 | |
99238 |
Hospital discharge day management, 30 minutes or less | 46 | 45 | $91 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 23 | 23 | $145 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 16 | 16 | $193 |
In context: peer comparison
Among 219 peers in Washington Internal Medicine Physician, average services per provider: 102. This provider delivers 3.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Karolyn Teufel's medical specialty?
Dr. Karolyn Teufel practices Internal Medicine Physician in Washington, DC.
Where does Dr. Karolyn Teufel practice?
Dr. Karolyn Teufel practices at 900 23Rd St Nw, Washington, DC 200372342. Office phone: 2027155109.
What is Dr. Karolyn Teufel's NPI?
Dr. Karolyn Teufel's National Provider Identifier (NPI) is 1790759264, issued by NPPES.
Does Dr. Karolyn Teufel accept Medicare assignment?
Yes. Dr. Karolyn Teufel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karolyn Teufel commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99238). Source: CMS Medicare Physician & Other Practitioners file.