Doctor profile · Federal record

Dr. Louis Spiegel, M.D.

Nephrology Physician (CMS: Nephrology) · Southampton, NY

  • NPI 1821230715
  • Accepts Medicare
  • MIPS 91.4 / 100 · 2023
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
325 Meeting House Lane, Building 2 - Suite 301
Southampton, NY 11968
(631) 283-4048
Mailing address
57 Hampton RD
Southampton, NY 119684973

Credentials & registration

NPPES · NUCC
NPI registered
March 2009 — 17 yrs on file
Profile last updated
June 12, 2022
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
New York #258804

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821230715. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
923
Distinct HCPCS
7
Medicare allowed
$128,373
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 321 113 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 310 134 $149
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 102 42 $139
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 86 77 $202
99291 Critical care, first 30-74 minutes 53 22 $251
99204 New patient office or other outpatient visit, 45-59 minutes 31 31 $198
90935 Hemodialysis procedure with physician evaluation 20 11 $80

In context: peer comparison

Among 1 peers in Southampton Nephrology Physician, average services per provider: 131. This provider delivers 7.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$384
Transactions
17
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Neurelis, INC. 2 $71.05
Novartis Pharmaceuticals Corporation 3 $62.13
Bayer Healthcare Pharmaceuticals INC. 2 $54.55
Otsuka America Pharmaceutical, INC. 2 $47.08
AstraZeneca Pharmaceuticals Lp 2 $44.32
Lilly USA, LLC 3 $41.74
Amgen INC. 1 $30.12
Opko Pharmaceuticals, LLC 1 $18.91
Ardelyx, INC. 1 $14.40

By nature of payment

Food and Beverage
$384

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
421
Patients
59
Total drug cost
$87,756
Drug Type Claims Patients Total cost
Losartan Potassium Generic 85 27 $924
Furosemide Generic 59 18 $353
Amlodipine Besylate Generic 42 14 $526
Lisinopril Generic 36 0 $379
Calcitriol Generic 28 0 $664
Rayaldee (Calcifediol) Brand 26 0 $46,956
Allopurinol Generic 25 0 $184
Calcium Acetate Generic 20 0 $1,482
Spironolactone Generic 19 0 $113
Lokelma (Sodium Zirconium Cyclosilicate) Brand 17 0 $18,902

Frequently asked questions

Auto-generated from federal data
What is Dr. Louis Spiegel's medical specialty?
Dr. Louis Spiegel practices Nephrology Physician in Southampton, NY.
Where does Dr. Louis Spiegel practice?
Dr. Louis Spiegel practices at 325 Meeting House Lane, Southampton, NY 11968. Office phone: 6312834048.
What is Dr. Louis Spiegel's NPI?
Dr. Louis Spiegel's National Provider Identifier (NPI) is 1821230715, issued by NPPES.
Does Dr. Louis Spiegel accept Medicare assignment?
Yes. Dr. Louis Spiegel accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Louis Spiegel 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.