Doctor profile · Federal record
Dr. John Kaczmarek, MD
Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Waterbury, CT
- NPI 1134169204
- Accepts Medicare
- MIPS 89.9 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
134 Grandview Ave, Suite 210
Waterbury, CT 067082507
(203) 754-2535
fax (203) 756-9921
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- September 7, 2010
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207V00000X — NUCC code
- State license (1)
- Connecticut #033371
- Medicaid
- CT #001333715
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134169204. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
155
Distinct HCPCS
5
Medicare allowed
$5,503
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
G0101 |
Cervical or vaginal cancer screening; pelvic and clinical breast examination | 47 | 47 | $43 | |
82270 |
Stool analysis for blood to screen for colon tumors | 46 | 46 | $4 | |
81002 |
Urinalysis, manual test | 30 | 30 | $3 | |
77063 |
Screening 3d breast mammography | 16 | 16 | $58 | |
77067 |
Screening mammography | 16 | 16 | $142 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 45. This provider delivers 3.4× the peer median.Open Payments
Industry payments received
All-time total
$217
Transactions
11
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| MAYNE PHARMA COMMERCIAL LLC | 2 | $44.89 | |
| Sumitomo Pharma America, Inc. | 1 | $34.57 | |
| Astellas Pharma US Inc | 2 | $32.68 | |
| Novo Nordisk Inc | 2 | $29.37 | |
| Exeltis, USA Inc. | 1 | $22.31 | |
| Amgen Inc. | 1 | $19.60 | |
| Exact Sciences Corporation | 1 | $17.50 | |
| Sage Therapeutics, Inc. | 1 | $15.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
282
Patients
88
Total drug cost
$29,928
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Estradiol | Generic | 71 | 23 | $2,690 |
| Medroxyprogesterone Acetate | Generic | 37 | 0 | $855 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 27 | 22 | $606 |
| Fluconazole | Generic | 25 | 17 | $163 |
| Metronidazole | Generic | 24 | 12 | $954 |
| Oxybutynin Chloride Er (Oxybutynin Chloride) | Brand | 21 | 0 | $1,313 |
| Triamcinolone Acetonide | Generic | 20 | 14 | $236 |
| Myrbetriq (Mirabegron) | Brand | 16 | 0 | $22,882 |
| Fluoxetine Hcl | Generic | 15 | 0 | $93 |
| Ibuprofen | Generic | 13 | 0 | $63 |
Hospital affiliations
Frequently asked questions
What is Dr. John Kaczmarek's medical specialty?
Dr. John Kaczmarek practices Obstetrics & Gynecology Physician in Waterbury, CT.
Where does Dr. John Kaczmarek practice?
Dr. John Kaczmarek practices at 134 Grandview Ave, Waterbury, CT 067082507. Office phone: 2037542535.
What is Dr. John Kaczmarek's NPI?
Dr. John Kaczmarek's National Provider Identifier (NPI) is 1134169204, issued by NPPES.
Does Dr. John Kaczmarek accept Medicare assignment?
Yes. Dr. John Kaczmarek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Kaczmarek commonly perform?
Top Medicare-reported procedures in 2023: Cervical or vaginal cancer screening; pelvic and clinical breast examination (HCPCS G0101); Stool analysis for blood to screen for colon tumors (HCPCS 82270); Urinalysis, manual test (HCPCS 81002). Source: CMS Medicare Physician & Other Practitioners file.