Doctor profile · Federal record

Dr. Stephen Kajencki, M.D.

Family Medicine Physician (CMS: Family Practice) · Mansfield, MA

  • NPI 1073521753
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 S Main St, Suite 304
Mansfield, MA 020483144
(508) 964-5560
fax (508) 964-5570

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
June 17, 2020
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #72749
Medicaid
MA #3064565

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073521753. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,093
Distinct HCPCS
10
Medicare allowed
$108,829
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 305 182 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 269 182 $92
99443 Telephone medical discussion with physician, 21-30 minutes 147 90 $127
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 141 141 $132
85610 Blood test, clotting time 84 17 $4
G0444 Annual depression screening, 5 to 15 minutes 50 50 $19
83036 Hemoglobin a1c level 36 33 $10
99442 Telephone medical discussion with physician, 11-20 minutes 27 24 $90
99212 Established patient office or other outpatient visit, 10-19 minutes 23 15 $58
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 11 11 $169

In context: peer comparison

Among 2 peers in this city , average services per provider: 87. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$139
Transactions
7
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $30.30
Novo Nordisk Inc 1 $20.39
Indivior Inc. 1 $20.07
Astellas Pharma US Inc 1 $18.60
Novartis Pharmaceuticals Corporation 1 $18.18
AstraZeneca Pharmaceuticals LP 1 $16.27
Lucid Diagnostics Inc. 1 $15.56

By nature of payment

Food and Beverage
$139

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,380
Patients
844
Total drug cost
$45,977
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 437 129 $8,560
Lisinopril Generic 394 113 $3,892
Meloxicam Generic 275 53 $1,381
Omeprazole Generic 235 74 $4,712
Amlodipine Besylate Generic 228 67 $2,049
Oxycodone Hcl Generic 227 20 $5,203
Metformin Hcl Generic 224 62 $2,588
Levothyroxine Sodium Generic 222 58 $3,822
Tramadol Hcl Generic 197 39 $875
Hydrochlorothiazide Generic 175 54 $861

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Kajencki's medical specialty?
Dr. Stephen Kajencki practices Family Medicine Physician in Mansfield, MA.
Where does Dr. Stephen Kajencki practice?
Dr. Stephen Kajencki practices at 800 S Main St, Mansfield, MA 020483144. Office phone: 5089645560.
What is Dr. Stephen Kajencki's NPI?
Dr. Stephen Kajencki's National Provider Identifier (NPI) is 1073521753, issued by NPPES.
Does Dr. Stephen Kajencki accept Medicare assignment?
Yes. Dr. Stephen Kajencki accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Kajencki commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.