Dr. John Christopher Formoso Tang, DO
- Medicare services, 2024
- 183
- Medicare patients, 2024
- 180
- Part D claims, 2024
- 400
- Hospital affiliations
- 3
- Industry payments
- $43
- Practice address
- 1701 N Senate Blvd, Indianapolis, IN 46202
- Practice phone
- Call (317) 962-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Tang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Christopher Formoso Tang is a gastroenterologist in Indianapolis, Indiana
Dr. Tang practices at IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health.
Dr. Tang's NPI, 1346458825, was assigned on May 18, 2007. Dr. Tang graduated from Lake Erie College of Osteopathic Medicine, Erie in 2004. Dr. Tang holds Indiana license 02003779A.
- NPI
- 1346458825NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052593837
- NPI enumeration date
- May 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (317) 962-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Christopher Formoso Tang practices at IU Health Methodist Hospital in Indianapolis, Indiana
Dr. Tang's primary practice is IU Health Methodist Hospital, at 1701 N Senate Blvd, Indianapolis, IN 46202 in Marion County. The practice phone is (317) 962-2000.
- IU Health Methodist Hospital1701 N Senate Blvd, Indianapolis, IN 46202 · Marion CountyPhone(317) 962-2000
Source: Dmand AI Affiliation Data
Dr. John Christopher Formoso Tang is affiliated with 6 sites of care and 2 medical groups
Dr. Tang's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dr. Tang is also affiliated with Sidney & Lois Eskenazi Hospital. The medical group on file is IU Health Medical Group. Dmand AI also links Dr. Tang to 1 more hospital, 2 group practices and clinics, 1 behavioral health center and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Christopher Formoso Tang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tang practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| IU Health Methodist Hospital | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Christopher Formoso Tang is one of 333 gastroenterologists in Indiana
Gastroenterology is Dr. Tang's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dmand AI has Dr. Tang's licenses on file in 2 states: Indiana and Michigan.
Specialties and state licenses
- Gastroenterology, IndianaPrimary
- Internal medicine, Michigan
Gastroenterologists near Dr. Tang
Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Christopher Formoso Tang billed Medicare for 183 services in 2024
CMS data shows 183 Medicare services from Dr. Tang across 7 procedure codes in 2024, for 180 Medicare patients. Medicare paid $19,019 for them.
Dr. Tang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1062024: 988%
- Surgery
- 2023: 1012024: 8516%
Where Dr. Tang's Medicare services took place, 2024
- In an office2212%
- In a facility16188%
Dr. Tang compared with the Indiana median for gastroenterologists, 2024
- Dr. Tang
- Indiana median
- Medicare services
- 183vs 47161% below
- Medicare patients
- 180vs 30942% below
- Part D claims
- 298vs 42229% below
Medians across 330 gastroenterologists in Indiana with Dmand AI profiles that report each measure.
Dr. Tang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Tang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tang and other gastroenterologists in Indiana.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Christopher Formoso Tang treated 180 Medicare patients in 2024, average age 71
CMS counts 180 Medicare patients who saw Dr. Tang in 2024. The largest group is 65 to 74, with 86 patients. 72% of them have high blood pressure, and 71% have high cholesterol. 19% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tang's median patient age at 57, with 56% women.
Dr. Tang's Medicare patients by age, 2024
Dr. Tang's Medicare patients by sex, 2024
- Women10458%
- Men7642%
Chronic conditions among Dr. Tang's Medicare patients, 2024
- High blood pressure72%
- High cholesterol71%
- Arthritis42%
- Diabetes38%
- Anxiety32%
- Ischemic heart disease32%
- Mood disorders32%
- Depression29%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tang's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 57
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Christopher Formoso Tang wrote 400 Medicare Part D claims in 2024
In 2024, Dr. Tang wrote 400 Medicare Part D claims for 170 patients. 90% of them were for generic drugs. CMS names the drug for 298 of them, across 8 drugs with 11 or more claims each, at $11,262 in total drug cost. In 2023, CMS named 197 claims across 7 drugs.
Dr. Tang's Part D claims by kind of drug, 2024
- Generic359 claims90%
- Brand-name41 claims10%
Dr. Tang's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1972024: 29851%
Drugs named by CMS: 8 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Christopher Formoso Tang ranks in the 56th percentile for upper gastrointestinal (gi) endoscopy for acid reflux in Medicare
Dr. Tang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 32 procedures of upper gastrointestinal (gi) endoscopy for acid reflux by Dr. Tang, more than 56% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Tang ranks in Medicare procedure volume
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 56th percentile32 procedures
- Colonoscopy
- 53rd percentile28 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Christopher Formoso Tang received $43 in industry payments in 2017
CMS Open Payments shows 1 general payment to Dr. Tang from 1 drug or device company in 2017. Food and beverage make up the largest share, 100% of the total. Napo Pharmaceuticals Inc paid the most, $43.
Companies that paid Dr. Tang the most, 2017 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Christopher Formoso Tang graduated from Lake Erie College of Osteopathic Medicine, Erie
Dr. Tang graduated from Lake Erie College of Osteopathic Medicine, Erie in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Christopher Formoso Tang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Christopher Formoso Tang
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Christopher Formoso Tang's NPI number?
Dr. John Christopher Formoso Tang's NPI number is 1346458825. It was assigned on May 18, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. John Christopher Formoso Tang?
Dr. John Christopher Formoso Tang is a gastroenterologist in Indianapolis, Indiana. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. John Christopher Formoso Tang practice?
Dr. Tang practices at 1701 N Senate Blvd, Indianapolis, IN 46202. Dr. Tang's primary practice is IU Health Methodist Hospital in Indianapolis, Indiana, part of Indiana University Health. Dmand AI also links Dr. Tang to 1 hospital, 2 group practices and clinics, 1 behavioral health center and 1 medical group.
What is Dr. John Christopher Formoso Tang's office phone number?
The practice phone on file for Dr. Tang is (317) 962-2000.
What is Dr. John Christopher Formoso Tang's medical license number?
Dr. Tang holds Indiana license 02003779A, one of the licenses on file in 2 states.
Which states has Dr. John Christopher Formoso Tang been licensed in?
Dmand AI has state licenses on file for Dr. Tang in Indiana and Michigan.
Which hospitals is Dr. John Christopher Formoso Tang affiliated with?
Dr. Tang practices at IU Health Methodist Hospital in Indianapolis, Indiana. Dr. Tang is also affiliated with Sidney & Lois Eskenazi Hospital. Dmand AI links Dr. Tang to 1 more hospital.
What medical group is Dr. John Christopher Formoso Tang part of?
Dr. Tang is linked to IU Health Medical Group. Dmand AI links Dr. Tang to 1 more medical group.
Does Dr. John Christopher Formoso Tang accept Medicare?
Yes. CMS data shows Dr. Tang billed Medicare for 183 services in 2024, and Dr. Tang accepts Medicare assignment.
How many Medicare patients does Dr. John Christopher Formoso Tang see?
CMS counts 180 Medicare patients who saw Dr. Tang in 2024, with an average age of 71.
Show 5 more questionsShow fewer questions
What services does Dr. John Christopher Formoso Tang bill to Medicare?
In 2024, Dr. Tang's most billed Medicare services were surgery: digestive system (45385), hospital inpatient care (99221) and office visit, established patient (99213).
Where did Dr. John Christopher Formoso Tang go to medical school?
Dr. Tang graduated from Lake Erie College of Osteopathic Medicine, Erie in 2004.
What drugs does Dr. John Christopher Formoso Tang prescribe most?
In 2024 Medicare Part D data, Dr. Tang's most prescribed drugs by claims were Omeprazole, Gavilyte-G and Pantoprazole Sodium.
Has Dr. John Christopher Formoso Tang received payments from drug or device companies?
CMS Open Payments shows $43 in general payments to Dr. Tang from 1 company from 2017 to 2017. The largest total came from Napo Pharmaceuticals Inc.
How long has Dr. John Christopher Formoso Tang been practicing?
Dr. Tang graduated from medical school in 2004, 22 years ago.
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