Doctor profile · Federal record
Dr. Katarzyna Twardowska, MD
Internal Medicine Physician (CMS: Internal Medicine) · Anaheim, CA
- NPI 1790881795
- Accepts Medicare
- MIPS 42.3 / 100 · 2023
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1801 W Romneya Dr, Suite # 601B
Anaheim, CA 928011830
(714) 780-5695
fax (714) 780-5694 - Mailing address
-
Po Box 8206
Anaheim, CA 928120206
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- July 9, 2007
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A69481
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1790881795. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,637
Distinct HCPCS
7
Medicare allowed
$338,159
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 1,604 | 376 | $125 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 360 | 310 | $182 | |
99239 |
Hospital discharge day management, more than 30 minutes | 276 | 234 | $121 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 207 | 95 | $83 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 107 | 15 | $114 | |
99238 |
Hospital discharge day management, 30 minutes or less | 48 | 47 | $86 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 35 | 34 | $137 |
In context: peer comparison
Among 33 peers in this city , average services per provider: 165. This provider delivers 16× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,054
Patients
314
Total drug cost
$42,932
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 136 | 33 | $1,009 |
| Pantoprazole Sodium | Generic | 112 | 54 | $1,492 |
| Levothyroxine Sodium | Generic | 101 | 20 | $1,260 |
| Furosemide | Generic | 100 | 40 | $648 |
| Atorvastatin Calcium | Generic | 89 | 30 | $1,806 |
| Carvedilol | Generic | 73 | 23 | $1,028 |
| Tamsulosin Hcl | Generic | 64 | 23 | $1,357 |
| Omeprazole | Generic | 60 | 11 | $775 |
| Metformin Hcl | Generic | 52 | 0 | $487 |
| Potassium Chloride | Generic | 50 | 17 | $1,671 |
Frequently asked questions
What is Dr. Katarzyna Twardowska's medical specialty?
Dr. Katarzyna Twardowska practices Internal Medicine Physician in Anaheim, CA.
Where does Dr. Katarzyna Twardowska practice?
Dr. Katarzyna Twardowska practices at 1801 W Romneya Dr, Anaheim, CA 928011830. Office phone: 7147805695.
What is Dr. Katarzyna Twardowska's NPI?
Dr. Katarzyna Twardowska's National Provider Identifier (NPI) is 1790881795, issued by NPPES.
Does Dr. Katarzyna Twardowska accept Medicare assignment?
Yes. Dr. Katarzyna Twardowska accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katarzyna Twardowska commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.