Doctor profile · Federal record

Dr. Aja Rivera, RN

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Registered Nurse · Dyer, IN

  • NPI 1457919292
  • Accepts Medicare
  • MIPS 83.2 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
24 Joliet St
Dyer, IN 463111705
(219) 932-2300
Mailing address
2212 Freedom St
Portage, IN 463681417

Credentials & registration

NPPES · NUCC
NPI registered
June 2019 — 7 yrs on file
Profile last updated
December 2, 2019
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Indiana #28164192A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457919292. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
82
Distinct HCPCS
4
Medicare allowed
$11,479
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 28 28 $105
00811 Anesthesia for other procedure on large bowel using an endoscope 19 19 $110
01402 Anesthesia for procedure for total knee joint replacement 18 17 $194
01214 Anesthesia for total hip replacement 17 16 $172

In context: peer comparison

Among 3 peers in this city , average services per provider: 29. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$31
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 2 $30.69

By nature of payment

Food and Beverage
$31

Frequently asked questions

Auto-generated from federal data
What is Dr. Aja Rivera's medical specialty?
Dr. Aja Rivera practices Certified Registered Nurse Anesthetist in Dyer, IN.
Where does Dr. Aja Rivera practice?
Dr. Aja Rivera practices at 24 Joliet St, Dyer, IN 463111705. Office phone: 2199322300.
What is Dr. Aja Rivera's NPI?
Dr. Aja Rivera's National Provider Identifier (NPI) is 1457919292, issued by NPPES.
Does Dr. Aja Rivera accept Medicare assignment?
Yes. Dr. Aja Rivera accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aja Rivera commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.