John Patrick Janowski, MD
NPI 1134640337 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Patrick Janowski, MD is a Internal Medicine Physician provider in New York, NY (NPI 1134640337).
Provider details
- NPI number
- 1134640337
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 64570 (MN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
62 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 17 | $106 |
Typical Medicare-allowed amounts for these services range $72–$106 (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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 56 | 22 |
| Amlodipine Besylate | 54 | 19 |
| Quetiapine Fumarate | 41 | 13 |
| Escitalopram Oxalate | 29 | 11 |
| Omeprazole | 27 | 12 |
| Losartan Potassium | 22 | — |
| Albuterol Sulfate |
Practice location
Mailing address
Additional practice locations (1)
- 200 1st St SwRochester, MN 55905-0001Phone: (507) 284-2511
Registry dates
- Enumerated
- 2017-06-28
- Last updated
- 2023-11-13
- Certified
- 2023-11-13
Frequently asked questions
- What is John Patrick Janowski's NPI number?
- John Patrick Janowski's National Provider Identifier (NPI) is 1134640337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Patrick Janowski's specialty?
- John Patrick Janowski is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Patrick Janowski located?
- John Patrick Janowski's practice location on file with NPPES is 622 W 168th St, New York, NY 10032-3720.
- What is John Patrick Janowski's phone number?
- The practice phone number listed in the NPPES registry for John Patrick Janowski is (212) 305-6354.
- Does John Patrick Janowski accept Medicare?
- John Patrick Janowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Patrick Janowski's NPI active?
- Yes — John Patrick Janowski's NPI (1134640337) is active in the NPPES registry as of the last update on 2023-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.