Doctor profile · Federal record

Dr. Evelena Ontiveros, MD PHD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Decatur, IL

  • NPI 1689886962
  • Accepts Medicare
  • MIPS 73.6 / 100 · 2023
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
210 W McKinley Ave Ste 1
Decatur, IL 625265858
(217) 876-6600
fax (217) 876-6606
Additional location
101 E 9Th St Ste 1
Pana, IL 625571716
Additional location
1990 E Lake Shore Dr
Decatur, IL 625213811

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
November 12, 2025
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Illinois #036143984

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689886962. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
83,529
Distinct HCPCS
10
Medicare allowed
$377,500
HCPCS Description Services Patients Avg allowed
J1439 Injection, ferric carboxymaltose, 1 mg 48,000 30 $1
J1756 Injection, iron sucrose, 1 mg 14,575 13 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 11,350 67 $0
99214 Established patient office or other outpatient visit, 30-39 minutes 1,059 350 $122
J1100 Injection, dexamethasone sodium phosphate, 1 mg 1,012 23 $0
36415 Insertion of needle into vein for collection of blood sample 825 247 $8
85007 Microscopic examination for white blood cells with manual cell count 624 192 $4
85027 Complete blood cell count (red cells, white blood cell, platelets), automated test 624 192 $6
J2469 Injection, palonosetron hcl, 25 mcg 600 14 $1
80053 Blood test, comprehensive group of blood chemicals 472 141 $10

In context: peer comparison

Among 3 peers in this city , average services per provider: 1,042. This provider delivers 80× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$554
Transactions
25
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 6 $108.91
Astellas Pharma US Inc 5 $103.16
Gilead Sciences, Inc. 2 $102.66
Regeneron Healthcare Solutions, Inc. 3 $60.97
PFIZER INC. 1 $27.63
ABBVIE INC. 1 $26.96
SOBI, INC 1 $20.84
Eisai Inc. 1 $19.84
EMD Serono, Inc. 1 $18.36
GlaxoSmithKline, LLC. 1 $18.16
E.R. Squibb & Sons, L.L.C. 1 $16.43
Rigel Pharmaceuticals, Inc. 1 $15.82
Tempus AI, Inc 1 $14.11

By nature of payment

Food and Beverage
$448
Education
$106

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,064
Patients
276
Total drug cost
$899,904
Drug Type Claims Patients Total cost
Letrozole Generic 165 37 $3,911
Xarelto (Rivaroxaban) Brand 121 18 $82,684
Ondansetron Hcl Generic 102 43 $719
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 85 31 $2,145
Gabapentin Generic 83 22 $612
Hydroxyurea Generic 81 19 $1,141
Eliquis (Apixaban) Brand 66 14 $49,331
Anastrozole Generic 59 13 $969
Warfarin Sodium Generic 51 14 $412
Tramadol Hcl Generic 49 21 $254

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Evelena Ontiveros's medical specialty?
Dr. Evelena Ontiveros practices Hematology & Oncology Physician in Decatur, IL.
Where does Dr. Evelena Ontiveros practice?
Dr. Evelena Ontiveros practices at 210 W McKinley Ave Ste 1, Decatur, IL 625265858. Office phone: 2178766600.
What is Dr. Evelena Ontiveros's NPI?
Dr. Evelena Ontiveros's National Provider Identifier (NPI) is 1689886962, issued by NPPES.
Does Dr. Evelena Ontiveros accept Medicare assignment?
Yes. Dr. Evelena Ontiveros accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Evelena Ontiveros commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, iron sucrose, 1 mg (HCPCS J1756); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967). Source: CMS Medicare Physician & Other Practitioners file.