Doctor profile · Federal record
Dr. Leonid Karkanitsa, MD
Internal Medicine Physician (CMS: Internal Medicine) · Stratford, CT
- NPI 1669435087
- Accepts Medicare
- 41 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
6580 Main St Fl 1
Stratford, CT 06614
(203) 377-5444
fax (203) 377-5540 - Additional location
-
1952 Whitney Ave
Hamden, CT 065171209
(203) 848-1083
fax (203) 848-1777
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 24, 2018
- Year of graduation
- 1985 — 41 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #043534
- Medicaid
- CT #004256302
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669435087. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
648
Distinct HCPCS
9
Medicare allowed
$87,535
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 185 | 58 | $130 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 136 | 125 | $189 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 95 | 51 | $95 | |
99306 |
Initial nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | 64 | 57 | $189 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 50 | 27 | $111 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 46 | 46 | $136 | |
G0008 |
Administration of influenza virus vaccine | 28 | 28 | $33 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 26 | 26 | $76 | |
99309 |
Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | 18 | 13 | $106 |
In context: peer comparison
Among 6 peers in Stratford Internal Medicine Physician, average services per provider: 92. This provider delivers 7.0× the peer median.Open Payments
Industry payments received
All-time total
$983
Transactions
30
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 17 | $714.35 | |
| Lundbeck LLC | 4 | $80.79 | |
| Otsuka America Pharmaceutical, INC. | 3 | $58.55 | |
| GlaxoSmithKline, LLC. | 2 | $37.89 | |
| Exact Sciences Corporation | 1 | $26.02 | |
| Lilly USA, LLC | 1 | $25.90 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 1 | $20.25 | |
| Novo Nordisk INC | 1 | $19.36 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,258
Patients
623
Total drug cost
$118,450
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 357 | 70 | $4,944 |
| Levothyroxine Sodium | Generic | 308 | 61 | $4,174 |
| Amlodipine Besylate | Generic | 293 | 59 | $2,401 |
| Trazodone Hcl | Generic | 279 | 58 | $2,897 |
| Furosemide | Generic | 268 | 55 | $1,518 |
| Eliquis (Apixaban) | Brand | 226 | 28 | $68,203 |
| Metoprolol Succinate | Generic | 205 | 37 | $3,701 |
| Pantoprazole Sodium | Generic | 204 | 49 | $6,051 |
| Rosuvastatin Calcium | Generic | 202 | 43 | $10,043 |
| Tamsulosin Hcl | Generic | 191 | 37 | $3,603 |
Frequently asked questions
What is Dr. Leonid Karkanitsa's medical specialty?
Dr. Leonid Karkanitsa practices Internal Medicine Physician in Stratford, CT.
Where does Dr. Leonid Karkanitsa practice?
Dr. Leonid Karkanitsa practices at 6580 Main St Fl 1, Stratford, CT 06614. Office phone: 2033775444.
What is Dr. Leonid Karkanitsa's NPI?
Dr. Leonid Karkanitsa's National Provider Identifier (NPI) is 1669435087, issued by NPPES.
Does Dr. Leonid Karkanitsa accept Medicare assignment?
Yes. Dr. Leonid Karkanitsa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Leonid Karkanitsa commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Initial nursing facility care with high level of medical decision making (HCPCS 99306); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.