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DR. JOHN CHRISTOPHER FORMOSO TANG D.O.
NPI 1346458825
Internal Medicine - Gastroenterology in Fishers, IN

Active since May 18, 2007PECOS EnrolledAccepts Medicare Assignment
13100 E 136TH ST STE 3600, FISHERS, IN 46037(317) 944-0980(317) 944-1497 Get Directions Write a Review

NPPES record last updated: March 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Mar 13, 2025, Nov 19, 2020, Apr 14, 2020 (3 updates tracked since 2020).

About Dr. John Christopher Formoso Tang D.o. NPPES

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

DR. JOHN CHRISTOPHER FORMOSO TANG D.O. (NPI 1346458825) is an individual gastroenterology provider in Fishers, Indiana, licensed in Indiana (02003779A) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS, is affiliated with Eskenazi Health, and is a graduate of Lake Erie College Of Osteopathic Medicine, Erie (2004).

NPPES Registry Identity

NPI1346458825
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. JOHN CHRISTOPHER FORMOSO TANGCredential: D.O.
Location Address13100 E 136TH ST STE 3600Fishers, IN 46037-9822
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Phone(317) 944-0980
Fax(317) 944-1497
Sole ProprietorNo
Medical School CMSLake Erie College Of Osteopathic Medicine, ErieGraduated 2004
Enumeration DateMay 18, 2007
Last NPPES UpdateMarch 13, 20253 updates tracked since enumeration
NPPES CertifiedMarch 13, 2025
✔ NPI 1346458825 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IN · 02003779A
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 5101015998 (MI)
13100 E 136TH ST STE 3600, Fishers, IN 46037
Open in Google Maps ↗

Other Identifiers 2

OtherM400039154IN · Medicare Ptan
Medicaid201012180IN

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, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. John Christopher Formoso Tang D.o. 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 ID1052593837
PECOS Enrollment IDI20110315001062
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.

Areas of Expertise CMS Part B claims 7

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.

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385
This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.
61 services61 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
48 services37 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
22 services20 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
17 services14 patients
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239
This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.
13 services13 patients
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43235
This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.
11 services11 patients

Hospital Affiliations CMS Care Compare 3

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

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 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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46037 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.

Other Providers at the Same Location NPPES

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

COURTNEY L HOPP FNP-C
Nurse Practitioner (Family)
13100 E 136TH ST STE 3600
FISHERS, IN 46037
Hamilton County (317) 678-4155

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 John Christopher Tang's NPI number?

The NPI number for John Christopher Tang is 1346458825. It was assigned to this individual provider in the NPPES registry on May 18, 2007.

Where is John Christopher Tang located?

John Christopher Tang practices at 13100 E 136th St Ste 3600, Fishers, IN 46037. The listed phone number is (317) 944-0980.

What is John Christopher Tang's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is John Christopher Tang enrolled in Medicare?

Yes. John Christopher Tang 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 John Christopher Tang accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, CareSource and UnitedHealthcare list John Christopher Tang 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 John Christopher Tang affiliated with any hospitals?

According to CMS data, John Christopher Tang is affiliated with Eskenazi Health, Indiana University Health and Indiana University Health North Hospital.

When was this NPI record last updated?

The NPPES record for John Christopher Tang was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.