Doctor profile · Federal record

Dr. Merceditas Villanueva, MD

Infectious Disease Physician (CMS: Infectious Disease) · New Haven, CT

  • NPI 1518930221
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 41 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
20 York St
New Haven, CT 065103220
(203) 688-5303
Mailing address
135 College St, Suite 323
New Haven, CT 065102483

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
November 20, 2009
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Connecticut #029263
Medicaid
CT #001292630

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518930221. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
35
Distinct HCPCS
1
Medicare allowed
$2,924
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 35 16 $84

In context: peer comparison

Among 19 peers in this city , average services per provider: 34. This provider delivers 1.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
40
Patients
0
Total drug cost
$115,728
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 28 0 $115,657
Amlodipine Besylate Generic 12 0 $71

Frequently asked questions

Auto-generated from federal data
What is Dr. Merceditas Villanueva's medical specialty?
Dr. Merceditas Villanueva practices Infectious Disease Physician in New Haven, CT.
Where does Dr. Merceditas Villanueva practice?
Dr. Merceditas Villanueva practices at 20 York St, New Haven, CT 065103220. Office phone: 2036885303.
What is Dr. Merceditas Villanueva's NPI?
Dr. Merceditas Villanueva's National Provider Identifier (NPI) is 1518930221, issued by NPPES.
Does Dr. Merceditas Villanueva accept Medicare assignment?
Yes. Dr. Merceditas Villanueva accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Merceditas Villanueva commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.