Doctor profile · Federal record

Dr. Herath Wijerathna, M.D.

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

  • NPI 1912232307
  • Accepts Medicare
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
188 Worcester Providence Tpke
Sutton, MA 015901908
(508) 865-3650
fax (508) 865-3822
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
October 2009 — 17 yrs on file
Profile last updated
August 7, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #265447

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912232307. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
936
Distinct HCPCS
10
Medicare allowed
$57,739
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 169 117 $140
80061 Blood test, lipids (cholesterol and triglycerides) 86 80 $13
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 80 80 $142
80053 Blood test, comprehensive group of blood chemicals 73 69 $10
83036 Hemoglobin a1c level 56 45 $10
99213 Established patient office or other outpatient visit, 20-29 minutes 54 48 $100
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 53 50 $6
84443 Blood test, thyroid stimulating hormone (tsh) 49 41 $16
80048 Blood test, basic group of blood chemicals (calcium, total) 38 31 $8
81003 Automated urinalysis test 28 20 $2

In context: peer comparison

Among 2 peers in Sutton Internal Medicine Physician, average services per provider: 37. This provider delivers 25× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$19
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $19.29

By nature of payment

Food and Beverage
$19

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,046
Patients
624
Total drug cost
$38,758
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 236 70 $2,295
Levothyroxine Sodium Generic 231 70 $3,642
Atorvastatin Calcium Generic 206 66 $4,549
Losartan Potassium Generic 202 56 $4,989
Omeprazole Generic 171 53 $3,920
Lisinopril Generic 168 50 $2,383
Pravastatin Sodium Generic 153 42 $4,052
Simvastatin Generic 125 31 $1,675
Atenolol Generic 112 34 $1,544
Gabapentin Generic 106 35 $2,793

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Herath Wijerathna's medical specialty?
Dr. Herath Wijerathna practices Internal Medicine Physician in Sutton, MA.
Where does Dr. Herath Wijerathna practice?
Dr. Herath Wijerathna practices at 188 Worcester Providence Tpke, Sutton, MA 015901908. Office phone: 5088653650.
What is Dr. Herath Wijerathna's NPI?
Dr. Herath Wijerathna's National Provider Identifier (NPI) is 1912232307, issued by NPPES.
Does Dr. Herath Wijerathna accept Medicare assignment?
Yes. Dr. Herath Wijerathna accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Herath Wijerathna commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood test, lipids (cholesterol and triglycerides) (HCPCS 80061); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.