Doctor profile · Federal record

Dr. Siva Mannem, MD

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Medical Oncology Physician · Medical Oncology Physician · Yakima, WA

  • NPI 1073822235
  • Accepts Medicare
  • MIPS 88.4 / 100 · 2023
  • 18 yrs in practice
  • Licensed in 4 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
808 N 39Th Ave
Yakima, WA 98902
(509) 574-3400
fax (509) 574-3464
Additional location
9200 W Wisconsin Ave, Neoplastic Diseases
Milwaukee, WI 532263522
(414) 805-6800
fax (414) 805-6850

Credentials & registration

NPPES · NUCC
NPI registered
October 2010 — 16 yrs on file
Profile last updated
August 7, 2019
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (4)
Washington #MD60707157 · Texas #BP10037503 · Wisconsin #64330 · Kentucky #48381
Medicaid
WA #2072035

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1073822235. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,347
Distinct HCPCS
4
Medicare allowed
$146,116
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 870 282 $97
99215 Established patient office or other outpatient visit, 40-54 minutes 330 146 $143
99213 Established patient office or other outpatient visit, 20-29 minutes 103 80 $65
99205 New patient office or other outpatient visit, 60-74 minutes 44 43 $180

In context: peer comparison

Among 2 peers in this city , average services per provider: 245. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$6,919
Transactions
11
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
BeiGene USA, Inc. 2 $3,025.00
Incyte Corporation 1 $2,580.00
AstraZeneca Pharmaceuticals LP 2 $1,050.00
Astellas Pharma US Inc 2 $199.98
Merck Sharp & Dohme LLC 1 $18.09
E.R. Squibb & Sons, L.L.C. 1 $17.71
Alexion Pharmaceuticals, Inc. 1 $15.00
Eisai Inc. 1 $13.35

By nature of payment

Consulting Fee
$6,655
Education
$246
Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,045
Patients
233
Total drug cost
$3,325,720
Drug Type Claims Patients Total cost
Prednisone Generic 134 32 $1,030
Potassium Chloride Generic 108 29 $2,132
Anastrozole Generic 102 33 $2,982
Ondansetron Hcl Generic 87 48 $1,094
Acyclovir Generic 80 16 $1,859
Hydroxyurea Generic 80 21 $2,799
Jakafi (Ruxolitinib Phosphate) Brand 74 13 $1,304,132
Gabapentin Generic 63 12 $817
Imbruvica (Ibrutinib) Brand 50 0 $713,983
Prochlorperazine Maleate Generic 49 29 $775

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Siva Mannem's medical specialty?
Dr. Siva Mannem practices Hematology & Oncology Physician in Yakima, WA.
Where does Dr. Siva Mannem practice?
Dr. Siva Mannem practices at 808 N 39Th Ave, Yakima, WA 98902. Office phone: 5095743400.
What is Dr. Siva Mannem's NPI?
Dr. Siva Mannem's National Provider Identifier (NPI) is 1073822235, issued by NPPES.
Does Dr. Siva Mannem accept Medicare assignment?
Yes. Dr. Siva Mannem accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Siva Mannem commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.