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PATRICK J LOEHRER SR. MD
NPI 1245296847
Internal Medicine - Hematology & Oncology in Indianapolis, IN

Active since April 22, 2006PECOS EnrolledAccepts Medicare Assignment
535 BARNHILL DR, RT 448, INDIANAPOLIS, IN 46202(317) 278-7418 Get Directions Write a Review

NPPES record last updated: March 25, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Mar 25, 2025, Jan 14, 2021 (2 updates tracked since 2021).

About Patrick J Loehrer Sr. Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PATRICK J LOEHRER SR. MD (NPI 1245296847) is an individual hematology & oncology provider in Indianapolis, Indiana, licensed in Indiana (01030846A) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Indianapolis.

NPPES Registry Identity

NPI1245296847
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NamePATRICK J LOEHRER SR.Credential: MD
Location Address535 BARNHILL DR, RT 448Indianapolis, IN 46202-5116
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Phone(317) 278-7418
Sole ProprietorNo
Medical School CMSOtherGraduated 1978
Enumeration DateApril 22, 2006
Last NPPES UpdateMarch 25, 20252 updates tracked since enumeration
NPPES CertifiedMarch 25, 2025
✔ NPI 1245296847 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses✔ Licensed in IN · 01030846A✔ Licensed in IN · 01030846
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedInternal MedicineTaxonomy 207R00000X · License 01030846A (IN)
Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X · License 01030846A (IN)
535 BARNHILL DR, Indianapolis, IN 46202
Open in Google Maps ↗

Secondary Practice Location 1

Location 11701 N Senate BlvdIndianapolis, IN 46202-1239 · Phone (888) 484-3258

Other Identifiers 2

Other000000109869IN · Anthem Ptan
Medicaid100073950IN

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Patrick J Loehrer Sr. Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1153466099
PECOS Enrollment IDI20100303000905
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Patrick Loehrer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Medical Diagnostic Associates, Inc.
1.2 mi
Internal Medicine
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 358 clinicians in this Medicare group
NPI 1861441537 (317) 274-8660
Iu Health Medical Group, LLC
1.3 mi
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 clinicians in this Medicare group
NPI 1326893777 (317) 962-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
104 services62 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
38 services20 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Indiana University Health Arnett Hospital

Acute Care Hospitals · Lafayette, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150173
Location5165 Mccarty LnLafayette, IN 47905 · Tippecanoe County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$161.76 typical visit price
range $53.07 – $161.76
Typical copayment $40.44 (range $13.26 – $40.44)
Most-billed visit code 99205
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Capecitabine, oral, 500 mg J8521
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers23 claims1,898 services$0.65 avg. paid by Medicare
Etoposide; oral, 50 mg J8560
Treatment-Treatment - Miscellaneous · category RX029N
3 suppliers21 claims393 services$59.55 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
2 suppliers21 claims21 services$17.20 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for a subsequent prescription in a 30-day period Q0512
Treatment-Chemotherapy · category RH012N
3 suppliers24 claims24 services$12.13 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. ANTON ALEXI CABELLON D.O.
Internal Medicine (Nephrology)
535 BARNHILL DR, RT 150
INDIANAPOLIS, IN 46202
Marion County (317) 948-0728
LINDA BATTIATO
Registered Nurse
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 278-6489
CHRISTIAN JON NELSON PHD
Psychologist (Clinical)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 948-2538
AMANJOT SINGH SETHI M.D.
Specialist
535 BARNHILL DR, SUITE 420
INDIANAPOLIS, IN 46202
Marion County (317) 278-1979
DR. ANITA AHMED TURK M.D.
Internal Medicine (Hematology & Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 274-0335
JENNIFER MARIE KING MD
Internal Medicine (Hematology & Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 944-0920
NANCY CAROL ISSA MD
Internal Medicine (Hematology & Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 948-6942
BETH A KIRSCH RDN, CSO, LD
Dietitian, Registered (Nutrition, Oncology)
535 BARNHILL DR
INDIANAPOLIS, IN 46202
Marion County (317) 440-6242

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick Loehrer's NPI number?

The NPI number for Patrick Loehrer is 1245296847. It was assigned to this individual provider in the NPPES registry on April 22, 2006.

Where is Patrick Loehrer located?

Patrick Loehrer practices at 535 Barnhill Dr Rt 448, Indianapolis, IN 46202. The listed phone number is (317) 278-7418.

What is Patrick Loehrer's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Patrick Loehrer enrolled in Medicare?

Yes. Patrick Loehrer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Patrick Loehrer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Loehrer reassigns Medicare benefits to 2 organizations: University Medical Diagnostic Associates, Inc. (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Patrick Loehrer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Patrick Loehrer accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Patrick Loehrer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Patrick Loehrer affiliated with any hospitals?

According to CMS data, Patrick Loehrer is affiliated with Indiana University Health and Indiana University Health Arnett Hospital.

When was this NPI record last updated?

The NPPES record for Patrick Loehrer was last updated on March 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.