Doctor profile · Federal record

Dr. Thad Schilling, M.D.

Internal Medicine Physician · Worcester, MA

  • NPI 1801823935
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5 Neponset St
Worcester, MA 016062714
(508) 595-2300
fax (508) 853-5226

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 17, 2018
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Massachusetts #217424
Medicaid
MA #110034171A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801823935. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
46
Distinct HCPCS
3
Medicare allowed
$5,230
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 17 15 $91
99214 Established patient office or other outpatient visit, 30-39 minutes 17 16 $124
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 12 12 $132

In context: peer comparison

Among 114 peers in Worcester Internal Medicine Physician, average services per provider: 102. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
426
Patients
73
Total drug cost
$27,105
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 90 31 $2,046
Amlodipine Besylate Generic 43 17 $538
Metoprolol Succinate Generic 28 0 $967
Lisinopril Generic 26 12 $211
Losartan Potassium Generic 26 0 $478
Omeprazole Generic 26 0 $554
Tamsulosin Hcl Generic 24 0 $631
Levothyroxine Sodium Generic 23 0 $356
Sertraline Hcl Generic 23 0 $280
Metformin Hcl Generic 22 13 $278

Frequently asked questions

Auto-generated from federal data
What is Dr. Thad Schilling's medical specialty?
Dr. Thad Schilling practices Internal Medicine Physician in Worcester, MA.
Where does Dr. Thad Schilling practice?
Dr. Thad Schilling practices at 5 Neponset St, Worcester, MA 016062714. Office phone: 5085952300.
What is Dr. Thad Schilling's NPI?
Dr. Thad Schilling's National Provider Identifier (NPI) is 1801823935, issued by NPPES.
What procedures does Dr. Thad Schilling 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.