Janusz Sosniak, M.D.
NPI 1699858209 · Internal Medicine Physician · Elmira, NY
Enrolled with Medicare as Practitioner - General Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Janusz Sosniak, M.D. is a Internal Medicine Physician provider in Elmira, NY (NPI 1699858209).
Provider details
- NPI number
- 1699858209
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 196983 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
435 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 214 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 168 | $74 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 29 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 24 | $62 |
Typical Medicare-allowed amounts for these services range $62–$108 (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 · 98 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 602 | 126 |
| Metoprolol Succinate | 328 | 62 |
| Lisinopril | 296 | 66 |
| Amlodipine Besylate | 207 | 42 |
| Gabapentin | 177 | 34 |
| Levothyroxine Sodium | 173 | 27 |
| Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2020-12-01
- Certified
- 2020-12-01
Frequently asked questions
- What is Janusz Sosniak's NPI number?
- Janusz Sosniak's National Provider Identifier (NPI) is 1699858209, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janusz Sosniak's specialty?
- Janusz Sosniak is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Janusz Sosniak located?
- Janusz Sosniak's practice location on file with NPPES is 602 Ivy St Fl 2, Elmira, NY 14905-1646.
- What is Janusz Sosniak's phone number?
- The practice phone number listed in the NPPES registry for Janusz Sosniak is (607) 735-4633.
- Does Janusz Sosniak accept Medicare?
- Janusz Sosniak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Janusz Sosniak's NPI active?
- Yes — Janusz Sosniak's NPI (1699858209) is active in the NPPES registry as of the last update on 2020-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.