Timothy Johnson, M.D.
NPI 1801895248 · Gastroenterology Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Johnson, M.D. is a Gastroenterology Physician provider in New York, NY (NPI 1801895248).
Provider details
- NPI number
- 1801895248
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 229556 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
62 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $116 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 25 | $176 |
Typical Medicare-allowed amounts for these services range $116–$176 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 127 | 28 |
| Famotidine | 49 | — |
| Tenofovir Disoproxil Fumarate | 29 | — |
| Linaclotidebrand: Linzess | 21 | — |
| Sucralfate | 19 | — |
| Rifaximinbrand: Xifaxan | 19 | — |
| Omeprazole/Sodium Bicarbonatebrand: Omeprazole-Sodium Bicarbonate | 17 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$33 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-19
- Last updated
- 2015-04-30
Frequently asked questions
- What is Timothy Johnson's NPI number?
- Timothy Johnson's National Provider Identifier (NPI) is 1801895248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Johnson's specialty?
- Timothy Johnson is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Timothy Johnson located?
- Timothy Johnson's practice location on file with NPPES is 128 Mott St, New York, NY 10013-5540.
- What is Timothy Johnson's phone number?
- The practice phone number listed in the NPPES registry for Timothy Johnson is (646) 355-3711.
- Does Timothy Johnson accept Medicare?
- Timothy Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Johnson's NPI active?
- Yes — Timothy Johnson's NPI (1801895248) is active in the NPPES registry as of the last update on 2015-04-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.