Doctor profile · Federal record
Dr. Katherine Flanagan, MD
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Norwich, CT
- NPI 1407968639
- Accepts Medicare
- 37 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
326 Washington St, William W Backus Hospital
Norwich, CT 06360
(860) 889-8331
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- May 16, 2017
- Year of graduation
- 1989 — 37 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Connecticut #1389477 · Connecticut #38947
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407968639. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
629
Distinct HCPCS
6
Medicare allowed
$70,497
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 199 | 123 | $124 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 186 | 130 | $83 | |
99239 |
Hospital discharge day management, more than 30 minutes | 86 | 85 | $120 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 68 | 65 | $136 | |
99238 |
Hospital discharge day management, 30 minutes or less | 56 | 55 | $85 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 34 | 34 | $181 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 107. This provider delivers 5.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
257
Patients
87
Total drug cost
$19,390
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Eliquis (Apixaban) | Brand | 31 | 15 | $15,536 |
| Prednisone | Generic | 27 | 26 | $126 |
| Atorvastatin Calcium | Generic | 25 | 0 | $179 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 19 | 19 | $172 |
| Celecoxib | Generic | 17 | 0 | $1,792 |
| Furosemide | Generic | 17 | 0 | $73 |
| Pantoprazole Sodium | Generic | 17 | 12 | $230 |
| Metoprolol Succinate | Generic | 16 | 0 | $426 |
| Azithromycin | Generic | 15 | 15 | $72 |
| Isosorbide Mononitrate Er (Isosorbide Mononitrate) | Brand | 15 | 0 | $200 |
Frequently asked questions
What is Dr. Katherine Flanagan's medical specialty?
Dr. Katherine Flanagan practices Internal Medicine Physician in Norwich, CT.
Where does Dr. Katherine Flanagan practice?
Dr. Katherine Flanagan practices at 326 Washington St, Norwich, CT 06360. Office phone: 8608898331.
What is Dr. Katherine Flanagan's NPI?
Dr. Katherine Flanagan's National Provider Identifier (NPI) is 1407968639, issued by NPPES.
Does Dr. Katherine Flanagan accept Medicare assignment?
Yes. Dr. Katherine Flanagan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Flanagan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.