Doctor profile · Federal record

Dr. Mary Klein, M.D.

Hematology & Oncology Physician · Valparaiso, IN

  • NPI 1518966589
  • MIPS 87.0 / 100 · 2023
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
85 E US Highway 6 Ste 200
Valparaiso, IN 46383
(219) 983-6260
fax (219) 983-6010
Mailing address
2022 Kelle Dr
Chesterton, IN 463048708

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
September 11, 2020
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Indiana #01034294
Medicaid
IN #100209090

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518966589. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,539
Distinct HCPCS
10
Medicare allowed
$288,712
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 4,740 21 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 649 231 $120
99213 Established patient office or other outpatient visit, 20-29 minutes 420 271 $85
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 395 96 $74
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 118 98 $122
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 74 18 $113
96372 Injection of drug or substance under skin or into muscle 56 21 $13
99204 New patient office or other outpatient visit, 45-59 minutes 39 39 $154
99203 New patient office or other outpatient visit, 30-44 minutes 31 31 $105
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 17 13 $165

In context: peer comparison

Among 3 peers in this city , average services per provider: 647. This provider delivers 10× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$34
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
E.R. Squibb & Sons, L.L.C. 1 $19.80
Celgene Corporation 1 $14.53

By nature of payment

Food and Beverage
$34

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,068
Patients
253
Total drug cost
$748,854
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 161 36 $128,581
Anastrozole Generic 147 40 $4,786
Xarelto (Rivaroxaban) Brand 106 22 $92,864
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 100 23 $4,817
Warfarin Sodium Generic 88 23 $1,082
Potassium Chloride Generic 70 20 $2,310
Letrozole Generic 68 13 $2,316
Prochlorperazine Maleate Generic 46 29 $501
Alprazolam Generic 44 0 $187
Ondansetron Hcl Generic 44 35 $1,055

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Klein's medical specialty?
Dr. Mary Klein practices Hematology & Oncology Physician in Valparaiso, IN.
Where does Dr. Mary Klein practice?
Dr. Mary Klein practices at 85 E US Highway 6 Ste 200, Valparaiso, IN 46383. Office phone: 2199836260.
What is Dr. Mary Klein's NPI?
Dr. Mary Klein's National Provider Identifier (NPI) is 1518966589, issued by NPPES.
What procedures does Dr. Mary Klein commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.