MARK E TIRITILLI
NPI 1538119953
Internal Medicine in Indianapolis, IN

Active since May 10, 2006PECOS EnrolledAccepts Medicare Assignment
91.49/100
CMS Quality Rating
9443 E 38TH ST, INDIANAPOLIS, IN 46235(317) 890-2100(317) 890-2171 Get Directions Write a Review

NPPES record last updated: October 2, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mark E Tiritilli NPPES

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

MARK E TIRITILLI (NPI 1538119953) is an individual internal medicine provider in Indianapolis, Indiana, licensed in Indiana (01043935A) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (1991).

NPPES Registry Identity

NPI1538119953
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMARK E TIRITILLI
Location Address9443 E 38TH STIndianapolis, IN 46235-2132
Mailing AddressPo Box 637764Cincinnati, OH 45263-7764 · (317) 880-3939
Fax(317) 890-2171
Sole ProprietorNo
Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 1991
Enumeration DateMay 10, 2006
Last NPPES UpdateOctober 2, 2025
NPPES CertifiedOctober 2, 2025
NPI 1538119953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in IN · 01043935A
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
9443 E 38TH ST, Indianapolis, IN 46235

Other Identifiers 1

Medicaid100200080IN

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Mark E Tiritilli 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 ID840327763
PECOS Enrollment IDI20100426000418
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.

Hospital Affiliations CMS Care Compare

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

Eskenazi Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipGovernment - Local
CMS Certification Number150024
Location720 Eskenazi AvenueIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46235 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.49/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality98.84
Promoting Interoperability97
Improvement Activities40
Cost46.2

Referred Medical Equipment & Supplies CMS DME claims 17

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

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
11 suppliers43 claims83 services$4.26 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
9 suppliers21 claims27 services$0.50 avg. paid by Medicare
Ostomy belt, each A4367
DME-Orthotic Devices · category DF010N
1 supplier12 claims12 services$7.12 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each A4407
DME-Orthotic Devices · category DF010N
1 supplier12 claims240 services$7.38 avg. paid by Medicare
Ostomy skin barrier, with flange (solid, flexible or accordion), without built-in convexity, 4 x 4 inches or smaller, each A4414
DME-Orthotic Devices · category DF010N
1 supplier12 claims240 services$4.60 avg. paid by Medicare
Ostomy pouch, urinary; for use on barrier with non-locking flange, with faucet-type tap with valve (2 piece), each A4432
DME-Orthotic Devices · category DF010N
1 supplier12 claims240 services$3.36 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.

Pharmacist
9443 E 38TH ST
INDIANAPOLIS, IN 46235
Nurse Practitioner (Family)
9443 E 38TH ST
INDIANAPOLIS, IN 46235
Clinic/Center (Federally Qualified Health Center (FQHC))
9443 E 38TH ST
INDIANAPOLIS, IN 46235
Dietitian, Registered
9443 E 38TH ST
INDIANAPOLIS, IN 46235
Pharmacist
9443 E 38TH ST
INDIANAPOLIS, IN 46235
Nurse Practitioner
9443 E 38TH ST
INDIANAPOLIS, IN 46235
Dental Hygienist
9443 E 38TH ST
INDIANAPOLIS, IN 46235
Dietitian, Registered
9443 E 38TH ST
INDIANAPOLIS, IN 46235

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 Mark Tiritilli's NPI number?

The NPI number for Mark Tiritilli is 1538119953. It was assigned to this individual provider in the NPPES registry on May 10, 2006.

Where is Mark Tiritilli located?

Mark Tiritilli practices at 9443 E 38th St, Indianapolis, IN 46235. The listed phone number is (317) 890-2100.

What is Mark Tiritilli's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mark Tiritilli enrolled in Medicare?

Yes. Mark Tiritilli 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.

What insurance does Mark Tiritilli accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and UnitedHealthcare list Mark Tiritilli 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 Mark Tiritilli affiliated with any hospitals?

According to CMS data, Mark Tiritilli is affiliated with Eskenazi Health.

When was this NPI record last updated?

The NPPES record for Mark Tiritilli was last updated on October 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.