Doctor profile · Federal record

Dr. Patrick Lynch, MD

Internal Medicine Physician (CMS: Nephrology) · Stony Brook, NY

  • NPI 1841495256
  • Accepts Medicare
  • MIPS 65.4 / 100 · 2023
  • 21 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Department of Medicine, Health Science Center T16-020, Stony Brook University
Stony Brook, NY 117948160
(631) 444-8478
fax (631) 444-7546
Mailing address
Po Box 1554
Stony Brook, NY 117900988

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
September 6, 2012
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
New York #246610

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841495256. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,504
Distinct HCPCS
10
Medicare allowed
$223,218
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 376 125 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 355 203 $95
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 258 127 $115
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 180 23 $334
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 110 15 $333
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 101 93 $169
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 43 39 $124
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 25 24 $64
90961 Dialysis services, 2-3 physician visits per month (20 years or older) 21 11 $276

In context: peer comparison

Among 49 peers in Stony Brook Internal Medicine Physician, average services per provider: 119. This provider delivers 13× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,047
Patients
265
Total drug cost
$214,713
Drug Type Claims Patients Total cost
Losartan Potassium Generic 267 78 $3,261
Torsemide Generic 146 46 $4,611
Jardiance (Empagliflozin) Brand 130 37 $187,887
Amlodipine Besylate Generic 125 38 $878
Lisinopril Generic 52 17 $635
Doxazosin Mesylate Generic 49 15 $1,267
Carvedilol Generic 47 0 $322
Allopurinol Generic 39 12 $649
Furosemide Generic 38 11 $196
Spironolactone Generic 34 11 $245

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Patrick Lynch's medical specialty?
Dr. Patrick Lynch practices Internal Medicine Physician in Stony Brook, NY.
Where does Dr. Patrick Lynch practice?
Dr. Patrick Lynch practices at Department of Medicine, Health Science Center T16-020, Stony Brook, NY 117948160. Office phone: 6314448478.
What is Dr. Patrick Lynch's NPI?
Dr. Patrick Lynch's National Provider Identifier (NPI) is 1841495256, issued by NPPES.
Does Dr. Patrick Lynch accept Medicare assignment?
Yes. Dr. Patrick Lynch accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patrick Lynch commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.