Patrick Lynch, MD
NPI 1841495256 · Internal Medicine Physician · Stony Brook, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Patrick Lynch, MD is a Internal Medicine Physician provider in Stony Brook, NY (NPI 1841495256).
Provider details
- NPI number
- 1841495256
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 246610 (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
1,305 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 | 306 | $92 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 269 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 256 | $73 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 138 | $319 |
| Dialysis Services, 4 Or More Physician Visits Per Month (20 Years Or Older)90960 | 105 | $320 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Losartan Potassium | 241 | 73 |
| Amlodipine Besylate | 152 | 39 |
| Empagliflozinbrand: Jardiance | 128 | 35 |
| Torsemide | 127 | 47 |
| Doxazosin Mesylate | 61 | 19 |
| Carvedilol | 59 | 15 |
| Furosemide | 57 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-06-15
- Last updated
- 2012-09-06
Frequently asked questions
- What is Patrick Lynch's NPI number?
- Patrick Lynch's National Provider Identifier (NPI) is 1841495256, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Lynch's specialty?
- Patrick Lynch is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Patrick Lynch located?
- Patrick Lynch's practice location on file with NPPES is Department of Medicine, Health Science Center T16-020, Stony Brook, NY 11794-8160.
- What is Patrick Lynch's phone number?
- The practice phone number listed in the NPPES registry for Patrick Lynch is (631) 444-8478.
- Does Patrick Lynch accept Medicare?
- Patrick Lynch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Patrick Lynch's NPI active?
- Yes — Patrick Lynch's NPI (1841495256) is active in the NPPES registry as of the last update on 2012-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.