Doctor profile · Federal record

Dr. Megan Terwilliger, MD

Internal Medicine Physician · Rochester, NY

  • NPI 1043278849
  • MIPS 73.3 / 100 · 2023
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2400 S Clinton Ave, Building H, Suite 210
Rochester, NY 146182668
(585) 341-7299
fax (585) 341-4262
Mailing address
601 Elmwood Ave, Box 278980
Rochester, NY 146420001

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
July 6, 2023
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #181145
Medicaid
NY #01299210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043278849. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
69
Distinct HCPCS
3
Medicare allowed
$6,018
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 36 32 $64
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 18 18 $126
99214 Established patient office or other outpatient visit, 30-39 minutes 15 12 $95

In context: peer comparison

Among 151 peers in Rochester Internal Medicine Physician, average services per provider: 74. This provider delivers 0.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,157
Patients
862
Total drug cost
$18,501
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 196 152 $2,833
Levothyroxine Sodium Generic 135 101 $3,402
Lisinopril Generic 123 95 $1,095
Simvastatin Generic 79 59 $920
Rosuvastatin Calcium Generic 77 48 $2,326
Amlodipine Besylate Generic 76 61 $678
Gabapentin Generic 74 58 $1,139
Omeprazole Generic 70 45 $807
Losartan Potassium Generic 66 46 $992
Hydrochlorothiazide Generic 58 44 $370

Frequently asked questions

Auto-generated from federal data
What is Dr. Megan Terwilliger's medical specialty?
Dr. Megan Terwilliger practices Internal Medicine Physician in Rochester, NY.
Where does Dr. Megan Terwilliger practice?
Dr. Megan Terwilliger practices at 2400 S Clinton Ave, Rochester, NY 146182668. Office phone: 5853417299.
What is Dr. Megan Terwilliger's NPI?
Dr. Megan Terwilliger's National Provider Identifier (NPI) is 1043278849, issued by NPPES.
What procedures does Dr. Megan Terwilliger commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.