Doctor profile · Federal record

Dr. Kenneth Guarnieri, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Webster, MA

  • NPI 1679547830
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
72 Cudworth RD
Webster, MA 015703157
(508) 461-0011
fax (508) 461-0010

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
September 9, 2010
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #70743

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679547830. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,956
Distinct HCPCS
10
Medicare allowed
$146,998
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 489 202 $93
99214 Established patient office or other outpatient visit, 30-39 minutes 452 209 $132
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 153 153 $135
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 146 139 $15
G0444 Annual depression screening, 5 to 15 minutes 140 140 $20
96160 Administration and interpretation of patient-focused health risk assessment 130 130 $3
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 123 21 $25
85610 Blood test, clotting time 122 16 $4
99497 Advance care planning, first 30 minutes 110 110 $86
82270 Stool analysis for blood to screen for colon tumors 51 51 $4

In context: peer comparison

Among 4 peers in this city , average services per provider: 98. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$3,910
Transactions
172
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 23 $631.01
Lilly USA, LLC 16 $398.33
PFIZER INC. 22 $391.42
ABBVIE INC. 17 $318.36
Amgen Inc. 16 $288.10
Novo Nordisk Inc 12 $245.17
Novartis Pharmaceuticals Corporation 9 $228.91
Salix Pharmaceuticals, a division of Bausch Health US, LLC 11 $183.68
Exact Sciences Corporation 6 $141.96
Alnylam Pharmaceuticals Inc. 6 $140.88
Bayer Healthcare Pharmaceuticals Inc. 9 $133.28
Phathom Pharmaceuticals, Inc. 7 $132.18
Sumitomo Pharma America, Inc. 9 $131.44
Boehringer Ingelheim Pharmaceuticals, Inc. 5 $115.90
Inspire Medical Systems, Inc. 4 $85.93

By nature of payment

Food and Beverage
$3,910

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,995
Patients
1,454
Total drug cost
$114,585
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 1,146 304 $26,024
Lisinopril Generic 638 168 $7,748
Levothyroxine Sodium Generic 608 135 $11,227
Omeprazole Generic 450 122 $10,400
Lorazepam Generic 408 65 $5,131
Metformin Hcl Generic 395 100 $4,521
Amlodipine Besylate Generic 328 83 $2,783
Metoprolol Succinate Generic 287 72 $6,508
Oxycodone Hcl Generic 282 30 $6,558
Simvastatin Generic 264 69 $4,258

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Guarnieri's medical specialty?
Dr. Kenneth Guarnieri practices Internal Medicine Physician in Webster, MA.
Where does Dr. Kenneth Guarnieri practice?
Dr. Kenneth Guarnieri practices at 72 Cudworth RD, Webster, MA 015703157. Office phone: 5084610011.
What is Dr. Kenneth Guarnieri's NPI?
Dr. Kenneth Guarnieri's National Provider Identifier (NPI) is 1679547830, issued by NPPES.
Does Dr. Kenneth Guarnieri accept Medicare assignment?
Yes. Dr. Kenneth Guarnieri accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Guarnieri commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.