Timothy C. Johnson, M.D.
Gastroenterology Physician · New York, NY
Timothy C. Johnson, M.D. is a gastroenterology physician with a practice address in New York, New York, and NPI 1801895248, issued on Jul 19, 2005. Check the license (New York 229556, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Timothy C. Johnson
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 229556 NY
Self-reported in NPPES; status is on the state search - Practice location
- 128 Mott St, New York, NY 10013
- Phone
- (646) 355-3711
- Enumerated
- Jul 19, 2005
- Record last updated
- Apr 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 02671901 NY
- Medicare enrollment
- Enrolled (PECOS I20051003000263); accepts Medicare assignment
- Medical or professional school
- Columbia University College Of Physicians And Surgeons, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 128 Mott St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tina Chan, O.D.Optometrist1316252232
- Athena Chen, ODOptometrist1376403253
- Daniel Cheng, MDPhysical Medicine & Rehabilitation Physician1508860461
- Lily Chin, ODOptometrist1497069009
Verify Timothy C. Johnson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 229556Check 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
395 Medicare Part D claims for 87 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Omeprazole127 claims
- Famotidine49 claims
- Tenofovir Disoproxil Fumarate29 claims
- Linzess21 claims
- Sucralfate19 claims
- Xifaxan19 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.
Industry payments in 2024: $32.71
1 payment: food and beverage; the largest payer was Abiomed. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Timothy C. Johnson among 1,797 gastroenterology physician records in New York
Timothy C. Johnson, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 85% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2002 · median 1999 among the 1,378 with a school on file
- Record last updated2015 · 65% 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 New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in New York → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Anthony Chan, DONew York, NY 100131457449621
- Chien Chiang, M.D.New York, NY 100131255341723
- Danny Chu, MDNew York, NY 100131891886842
- Mark Chu, DONew York, NY 100131588755565
- Rene Eng, M.D.New York, NY 100131629020151
- Anthony Foong, M.D.New York, NY 100131417030917
- Titus Kwok, MDNew York, NY 100131528131984
- Nancy Lau, M.D.New York, NY 100131144208794
Common questions
What is Timothy C. Johnson, M.D.'s NPI number?
Timothy C. Johnson, M.D.'s National Provider Identifier (NPI) is 1801895248, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Timothy C. Johnson, M.D. located?
The NPPES record lists a practice address at 128 Mott St, New York, NY, 10013. Phone: (646) 355-3711. Providers update this record themselves, so call before visiting.
How can I verify Timothy C. Johnson, M.D.'s license?
NPPES lists New York license number 229556, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Timothy C. Johnson, M.D. prescribe under Medicare Part D?
In 2024, Timothy C. Johnson, M.D. had 395 Medicare Part D claims for 87 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.