Doctor profile · Federal record

Dr. Patrick Loehrer, MD

Hematology & Oncology Physician (CMS: Medical Oncology) · Internal Medicine Physician · Hematology & Oncology Physician · Medical Oncology Physician · Indianapolis, IN

  • NPI 1245296847
  • Accepts Medicare
  • 48 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
535 Barnhill Dr, Rt 448
Indianapolis, IN 462025116
(317) 278-7418
Additional location
1701 N Senate Blvd
Indianapolis, IN 462021239
(888) 484-3258
Mailing address
250 N Shadeland Ave
Indianapolis, IN 462194959

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
March 25, 2025
Year of graduation
1978 — 48 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State licenses (2)
Indiana #01030846A · Indiana #01030846
Medicaid
IN #100073950

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1245296847. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
201
Distinct HCPCS
4
Medicare allowed
$21,522
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 102 62 $91
99215 Established patient office or other outpatient visit, 40-54 minutes 71 43 $133
99213 Established patient office or other outpatient visit, 20-29 minutes 17 15 $58
99205 New patient office or other outpatient visit, 60-74 minutes 11 11 $169

In context: peer comparison

Among 25 peers in Indianapolis Hematology & Oncology Physician, average services per provider: 125. This provider delivers 1.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
131
Patients
25
Total drug cost
$97,075
Drug Type Claims Patients Total cost
Creon (Lipase/Protease/Amylase) Brand 36 0 $94,237
Ondansetron Hcl Generic 26 13 $1,500
Prochlorperazine Maleate Generic 26 12 $388
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 19 0 $357
Loperamide (Loperamide Hcl) Brand 13 0 $87
Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) Brand 11 0 $506

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Loehrer's medical specialty?
Dr. Patrick Loehrer practices Hematology & Oncology Physician in Indianapolis, IN.
Where does Dr. Patrick Loehrer practice?
Dr. Patrick Loehrer practices at 535 Barnhill Dr, Indianapolis, IN 462025116. Office phone: 3172787418.
What is Dr. Patrick Loehrer's NPI?
Dr. Patrick Loehrer's National Provider Identifier (NPI) is 1245296847, issued by NPPES.
Does Dr. Patrick Loehrer accept Medicare assignment?
Yes. Dr. Patrick Loehrer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Loehrer 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.