Doctor profile · Federal record

Dr. Stephen Guay, MD

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

  • NPI 1871672162
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2345 Main Street
Tewksbury, MA 01876
(978) 658-9931
fax (978) 694-0991
Mailing address
P.O. Box 760
Winchester, MA 018904260

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
September 23, 2010
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Massachusetts #158672
Medicaid
MA #1301853

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871672162. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
700
Distinct HCPCS
10
Medicare allowed
$75,760
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 229 126 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 140 104 $101
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 52 52 $185
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 49 49 $145
G0008 Administration of influenza virus vaccine 43 43 $34
G0444 Annual depression screening, 5 to 15 minutes 41 41 $21
90662 Influenza vaccine split virus, preservative free 36 36 $72
83036 Hemoglobin a1c level 25 20 $10
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 17 11 $59
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 16 16 $16

In context: peer comparison

Among 7 peers in Tewksbury Family Medicine Physician, average services per provider: 68. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$28
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Sanofi Pasteur INC. 1 $28.25

By nature of payment

Food and Beverage
$28

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,372
Patients
476
Total drug cost
$27,294
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 262 93 $6,186
Amlodipine Besylate Generic 162 52 $1,606
Lisinopril Generic 156 59 $2,043
Losartan Potassium Generic 115 39 $1,983
Levothyroxine Sodium Generic 79 33 $1,299
Rosuvastatin Calcium Generic 76 27 $3,762
Simvastatin Generic 75 24 $1,215
Omeprazole Generic 72 28 $1,408
Metoprolol Succinate Generic 70 27 $1,991
Metformin Hcl Generic 60 21 $915

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Guay's medical specialty?
Dr. Stephen Guay practices Family Medicine Physician in Tewksbury, MA.
Where does Dr. Stephen Guay practice?
Dr. Stephen Guay practices at 2345 Main Street, Tewksbury, MA 01876. Office phone: 9786589931.
What is Dr. Stephen Guay's NPI?
Dr. Stephen Guay's National Provider Identifier (NPI) is 1871672162, issued by NPPES.
Does Dr. Stephen Guay accept Medicare assignment?
Yes. Dr. Stephen Guay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Guay 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); Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (HCPCS G0438). Source: CMS Medicare Physician & Other Practitioners file.