Doctor profile · Federal record

Dr. Seyed Hamid Sayar, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Hematology (Internal Medicine) Physician · Avon, IN

  • NPI 1851430862
  • Accepts Medicare
  • 34 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
1111 Ronald Reagan Pkwy
Avon, IN 461237085
(317) 944-0920
fax (317) 968-1137
Additional location
1030 W Michigan St
Indianapolis, IN 462025201
(317) 948-7576
fax (317) 944-3684
Additional location
1701 N Senate Blvd
Indianapolis, IN 462021239
(888) 484-3258
Mailing address
250 N Shadeland Ave, Ste 130 Provider Enrollment
Indianapolis, IN 462194959

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
March 7, 2025
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Indiana #01063818A · New Mexico #MD2004-0601
Medicaid
IN #200877950

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851430862. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
973
Distinct HCPCS
10
Medicare allowed
$85,199
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 199 49 $74
99213 Established patient office or other outpatient visit, 20-29 minutes 184 114 $62
99214 Established patient office or other outpatient visit, 30-39 minutes 171 79 $91
85097 Bone marrow, smear interpretation 108 95 $44
99213 Established patient office or other outpatient visit, 20-29 minutes 51 44 $84
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $163
99214 Established patient office or other outpatient visit, 30-39 minutes 33 20 $119
99205 New patient office or other outpatient visit, 60-74 minutes 32 32 $164
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $155
99204 New patient office or other outpatient visit, 45-59 minutes 23 23 $124

In context: peer comparison

Among 3 peers in Avon Hematology & Oncology Physician, average services per provider: 124. This provider delivers 7.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,090
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Daiichi Sankyo INC. 2 $1,941.04
Sobi, INC 1 $93.95
Janssen Biotech, INC. 1 $38.85
Servier Pharmaceuticals LLC 1 $15.96

By nature of payment

Consulting Fee
$1,935
Education
$94
Food and Beverage
$61

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
459
Patients
78
Total drug cost
$1,038,781
Drug Type Claims Patients Total cost
Hydroxyurea Generic 99 21 $3,011
Prednisone Generic 39 14 $129
Venclexta (Venetoclax) Brand 35 0 $344,802
Imatinib Mesylate Generic 33 0 $63,711
Acyclovir Generic 31 16 $370
Letrozole Generic 29 0 $8,367
Calquence (Acalabrutinib Maleate) Brand 26 0 $381,793
Tamoxifen Citrate Generic 24 0 $751
Ciprofloxacin Hcl Generic 23 14 $320
Methotrexate (Methotrexate Sodium) Brand 22 0 $764

Frequently asked questions

Auto-generated from federal data
What is Dr. Seyed Hamid Sayar's medical specialty?
Dr. Seyed Hamid Sayar practices Hematology & Oncology Physician in Avon, IN.
Where does Dr. Seyed Hamid Sayar practice?
Dr. Seyed Hamid Sayar practices at 1111 Ronald Reagan Pkwy, Avon, IN 461237085. Office phone: 3179440920.
What is Dr. Seyed Hamid Sayar's NPI?
Dr. Seyed Hamid Sayar's National Provider Identifier (NPI) is 1851430862, issued by NPPES.
Does Dr. Seyed Hamid Sayar accept Medicare assignment?
Yes. Dr. Seyed Hamid Sayar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Seyed Hamid Sayar commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.