John Christopher Formoso Tang, D.O.
Gastroenterology Physician · Fishers, IN
John Christopher Formoso Tang, D.O. is a gastroenterology physician with a practice address in Fishers, Indiana, and NPI 1346458825, issued on May 18, 2007. Check the license (Indiana 02003779A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- John Christopher Formoso Tang
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 02003779A IN
5101015998 MI
Self-reported in NPPES; status is on the state search - Practice location
- 13100 E 136TH St Ste 3600, Fishers, IN 46037
- Phone
- (317) 944-0980
- Enumerated
- May 18, 2007
- Record last updated
- Mar 13, 2025
- Fax
- (317) 944-1497
- Medicaid ID
- 201012180 IN
- Medicare enrollment
- Enrolled (PECOS I20110315001062); accepts Medicare assignment
- Medical or professional school
- Lake Erie College Of Osteopathic Medicine, Erie, 2004
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 372 in Indiana → Look up another NPI →
Also registered at 13100 E 136TH St Ste 3600
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Courtney Hopp, FNP-CFamily Nurse Practitioner1487193983
Verify John Christopher Formoso Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02003779ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average gastroenterology physician in 2024
400 Medicare Part D claims for 170 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Omeprazole74 claims
- Gavilyte-G55 claims
- Pantoprazole Sodium49 claims
- Peg 3350-Electrolyte35 claims
- Famotidine26 claims
- Azathioprine22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- IU Health Medical Group LLCIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Christopher Formoso Tang among 372 gastroenterology physician records in Indiana
John Christopher Formoso Tang, D.O. is one of 372 gastroenterology physician records with a practice address in Indiana. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.
- NPI issued2007 · 53% of these records are older, 36% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2004 · median 2001 among the 272 with a school on file
- Record last updated2025 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Indiana
There are 372 gastroenterology physician records in Indiana.
All 372 in Indiana → Every provider in Fishers → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Sujaata Dwadasi, M.D.Fishers, IN 460371609295518
- Anil Yakhmi, M.D.Fishers, IN 460371780642579
- Murad Aburajab, MDCarmel, IN 460321376750745
- Richard Foster, MDCarmel, IN 460321942356555
- Ashley Gilmore, MDCarmel, IN 460321215163688
- Robert Siwiec, M.D.Carmel, IN 460321184880676
- Daniel Stout, MDCarmel, IN 460321336199603
- Sebastian Strobel, MDCarmel, IN 460321346444759
Common questions
What is John Christopher Formoso Tang, D.O.'s NPI number?
John Christopher Formoso Tang, D.O.'s National Provider Identifier (NPI) is 1346458825, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Christopher Formoso Tang, D.O. located?
The NPPES record lists a practice address at 13100 E 136TH St Ste 3600, Fishers, IN, 46037. Phone: (317) 944-0980. Providers update this record themselves, so call before visiting.
How can I verify John Christopher Formoso Tang, D.O.'s license?
NPPES lists Indiana license number 02003779A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Christopher Formoso Tang, D.O. prescribe under Medicare Part D?
In 2024, John Christopher Formoso Tang, D.O. had 400 Medicare Part D claims for 170 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.