Doctor profile · Federal record
Dr. Maciej Klosowski, MD
Anesthesiology Physician (CMS: Anesthesiology) · Lewes, DE
- NPI 1093177628
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
424 Savannah RD
Lewes, DE 199581462
(302) 645-3580
Credentials & registration
- NPI registered
- March 2016 — 10 yrs on file
- Profile last updated
- August 27, 2021
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Delaware #C1-0024033
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093177628. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
643
Distinct HCPCS
10
Medicare allowed
$58,260
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00812 |
Anesthesia for exam of colon using an endoscope | 105 | 105 | $51 | |
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 64 | 62 | $72 | |
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 51 | 51 | $60 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 43 | 43 | $185 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 38 | 38 | $83 | |
00410 |
Anesthesia for procedure to correct abnormal heart rhythm | 37 | 34 | $70 | |
00790 |
Anesthesia for other procedure on upper abdomen | 35 | 35 | $151 | |
00840 |
Anesthesia for other procedure on lower abdomen | 25 | 25 | $147 | |
36620 |
Insertion of artery tube for blood sampling or infusion through skin | 22 | 22 | $44 | |
76942 |
Ultrasonic guidance for needle placement | 20 | 20 | $30 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 45. This provider delivers 14× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $19.51 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Maciej Klosowski's medical specialty?
Dr. Maciej Klosowski practices Anesthesiology Physician in Lewes, DE.
Where does Dr. Maciej Klosowski practice?
Dr. Maciej Klosowski practices at 424 Savannah RD, Lewes, DE 199581462. Office phone: 3026453580.
What is Dr. Maciej Klosowski's NPI?
Dr. Maciej Klosowski's National Provider Identifier (NPI) is 1093177628, issued by NPPES.
Does Dr. Maciej Klosowski accept Medicare assignment?
Yes. Dr. Maciej Klosowski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maciej Klosowski commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.