MARK TANN M.D.
NPI 1841239746
Radiology - Nuclear Radiology in Indianapolis, IN

Q: What is Mark Tann's NPI number?

The NPI number for Mark Tann is 1841239746. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Q: What is Mark Tann's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Nuclear Radiology, with taxonomy code 2085N0904X.

Q: When was this NPI record last updated?

The NPPES record for Mark Tann was last updated on March 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.

Active since June 06, 2006PECOS EnrolledAccepts Medicare Assignment

714 N SENATE AVE, SUITE 250, INDIANAPOLIS, IN 46202(317) 715-6402(317) 715-6415 Get Directions Write a Review

NPPES record last updated: March 5, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Mark Tann M.d. NPPES

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

MARK TANN M.D. (NPI 1841239746) is an individual nuclear radiology provider in Indianapolis, Indiana, licensed in Indiana (01056509A) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health Bloomington Hospital, and is a graduate of Other (1993).

NPPES Registry Identity

NPI1841239746

Entity TypeIndividualMale

Primary Taxonomy2085N0904X

Provider Legal NameMARK TANNCredential: M.D.

Location Address714 N SENATE AVE, SUITE 250Indianapolis, IN 46202-3763

Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959

Phone(317) 715-6402

Fax(317) 715-6415

Sole ProprietorNo

Medical School CMSOtherGraduated 1993

Enumeration DateJune 6, 2006

Last NPPES UpdateMarch 5, 2021

NPPES CertifiedMarch 5, 2021

✔ NPI 1841239746 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Nuclear RadiologyAllopathic & Osteopathic Physicians

Taxonomy Code2085N0904X

License✔ Licensed in IN · 01056509A

Definition

A radiologist who is involved in the analysis and imaging of radionuclides and radiolabeled substances in vitro and in vivo for diagnosis and the administration of radionuclides and radiolabeled substances for the treatment of disease.

Also ListedNuclear Medicine · Nuclear Imaging & TherapyTaxonomy 207UN0902X · License 01056509A (IN)

Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License 01056509A (IN)

714 N SENATE AVE, Indianapolis, IN 46202

Open in Google Maps ↗

Other Identifiers 3

Medicaid200406300IN

OtherP00108643IN · Rail Road Medicare

OtherP00195774IN · Railroad Medicare

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

Mark Tann M.d. 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 ID4385547405

PECOS Enrollment IDI20040128000193

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

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

Indiana University Radiology Associates, Inc.

0.8 mi

Diagnostic Radiology

1701 N SENATE BLVD
Indianapolis, IN 46202

Reassigned Medicare billing, Indiana enrollment
279 clinicians in this Medicare group

NPI 1336192665 (317) 962-5035

Iu Health Medical Group, LLC

0.9 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 13

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.

Nuclear medicine study from skull base to mid-thigh with ct scan 78815

A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.

591 services537 patients

Radioactive drug therapy through a vein 79101

Radioactive drug therapy through a vein involves injecting a drug with radioactive properties into your bloodstream. This drug travels throughout your body, targeting and destroying harmful cells, such as cancer cells, while sparing healthy ones. It's a non-invasive procedure to treat certain diseases.

129 services73 patients

Nuclear medicine study whole body with ct scan 78816

A Nuclear Medicine Study with a CT Scan is a diagnostic procedure. It uses a small amount of radioactive substance and a CT scan to create detailed images of your body. These images help doctors diagnose, monitor, and treat various conditions.

108 services98 patients

Nuclear medicine study of bone and/or joint whole body 78306

A nuclear medicine study of bone and/or joint whole body involves injecting a small amount of radioactive material into your body. This material travels to your bones and emits energy. A special camera captures this energy, creating images of your bones to help identify any abnormalities.

51 services48 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

34 services34 patients

Nuclear medicine study of lung ventilation and circulation 78582

A nuclear medicine lung ventilation and circulation study uses a safe radioactive material to create images of air and blood flow in your lungs. It helps identify issues like blood clots or lung diseases. You inhale or receive an injection of this material, and a special camera captures the images.

31 services31 patients

Nuclear medicine study of stomach to assess emptying 78264

A nuclear medicine study of the stomach assesses how quickly food leaves the stomach. A safe, radioactive substance is added to a meal. The radiation emitted is tracked, creating images that show the food's progress through the stomach. It's non-invasive and painless.

30 services30 patients

Nuclear medicine study of parathyroid with spect and ct scan 78072

A nuclear medicine study of the parathyroid with SPECT and CT scan is a diagnostic procedure. It uses a safe radioactive substance and imaging techniques to create detailed pictures of your parathyroid glands. These images help identify any abnormalities or diseases.

26 services26 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

22 services22 patients

Nuclear medicine study of liver and bile duct system 78226

A nuclear medicine study of the liver and bile duct system involves the use of a small amount of radioactive material to create detailed images. This helps doctors examine the liver's function and structure, and detect any abnormalities in the bile ducts.

19 services19 patients

Nuclear medicine study, spect imaging with concurrent ct scan, 1 area or single acquisition, single day imaging 78830

A nuclear medicine study with SPECT and concurrent CT scan is a special imaging test. It uses a small amount of radioactive substance and advanced imaging techniques to create detailed pictures of your internal body structures. It aids in diagnosing and tracking the progress of treatment for various diseases.

16 services16 patients

Dxa bone density measurement of hip, pelvis, spine 77080

13 services13 patients

Nuclear medicine study of lung circulation 78580

A nuclear medicine study of lung circulation involves the use of a safe, radioactive substance to visualize lung function. It helps in diagnosing conditions like blood clots. The substance is injected and images are taken to study the blood flow in your lungs.

13 services13 patients

Hospital Affiliations CMS Care Compare 5

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

Indiana University Health Bloomington Hospital

Acute Care Hospitals · Bloomington, IN

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150051

Location2651 East Discovery ParkwayBloomington, IN 47408 · Monroe County

Emergency services Birthing friendly

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 Ball Memorial Hospital

Acute Care Hospitals · Muncie, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150089

Location2401 University AveMuncie, IN 47303 · Delaware County

Emergency services Birthing friendly

Indiana University Health North Hospital

Acute Care Hospitals · Carmel, IN

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number150161

Location11700 N Meridian StCarmel, IN 46032 · Hamilton County

Emergency services Birthing friendly

Cameron Memorial Community Hospital Inc

Critical Access Hospitals · Angola, IN

OwnershipVoluntary non-profit - Private

CMS Certification Number151315

Location416 E Maumee StAngola, IN 46703 · Steuben County

Emergency services Birthing friendly

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.

KARL L YANG MD

Internal Medicine (Sleep Medicine)

714 N SENATE AVE
INDIANAPOLIS, IN 46202

Marion County (317) 963-0555

JOSHUA JOSEPH BARZILAI DO

Family Medicine (Sleep Medicine)

714 N SENATE AVE
INDIANAPOLIS, IN 46202

Marion County (317) 963-0555

WINSTON BROOKS DAVIS MD

Radiology (Diagnostic Radiology)

714 N SENATE AVE, STE EF205
INDIANAPOLIS, IN 46202

Marion County (317) 715-6402

SANDRA K GRONINGER FNP

Nurse Practitioner

714 N SENATE AVE, STE 100
INDIANAPOLIS, IN 46202

Marion County (317) 715-6402

EDWARD DOYLE SARA III MD

Radiology (Diagnostic Radiology)

714 N SENATE AVE, STE 100
INDIANAPOLIS, IN 46202

Marion County (317) 715-6401

MILTON MARVIN ANG CHUA M.D.

Internal Medicine (Sleep Medicine)

714 N SENATE AVE
INDIANAPOLIS, IN 46202

Marion County (317) 963-0555

AMY W RHODES MD

Radiology (Diagnostic Radiology)

714 N SENATE AVE, SUITE 100
INDIANAPOLIS, IN 46202

Marion County (317) 715-6402

DR. JUSTIN BRETT SIMS M.D.

Radiology (Diagnostic Radiology)

714 N SENATE AVE, STE 100
INDIANAPOLIS, IN 46202

Marion County (317) 715-6381

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 Tann's NPI number?

The NPI number for Mark Tann is 1841239746. It was assigned to this individual provider in the NPPES registry on June 6, 2006.

Where is Mark Tann located?

Mark Tann practices at 714 N Senate Ave Suite 250, Indianapolis, IN 46202. The listed phone number is (317) 715-6402.

What is Mark Tann's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Nuclear Radiology, with taxonomy code 2085N0904X.

Is Mark Tann enrolled in Medicare?

Yes. Mark Tann 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 Mark Tann's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Tann reassigns Medicare benefits to 2 organizations: Indiana University Radiology 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 Mark Tann's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mark Tann accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and Cigna Healthcare and 1 other insurer list Mark Tann 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 Tann affiliated with any hospitals?

According to CMS data, Mark Tann is affiliated with Indiana University Health Bloomington Hospital, Indiana University Health, Indiana University Health Ball Memorial Hospital, Indiana University Health North Hospital and Cameron Memorial Community Hospital Inc.

When was this NPI record last updated?

The NPPES record for Mark Tann was last updated on March 5, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.