Doctor profile · Federal record

Dr. CAROL MARKOWITZ, NP

Adult Health Nurse Practitioner (CMS: NURSE PRACTITIONER) · HAUPPAUGE, NY

  • NPI 1871674291
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 KINGS HWY
HAUPPAUGE, NY 117884216
(631) 348-4900
fax (631) 348-1042
Mailing address
17 BLUEBERRY RIDGE RD
SETAUKET, NY 117331503

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
August 23, 2012
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
New York #F3044221

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1871674291. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,667
Distinct HCPCS
10
Medicare allowed
$56,723
HCPCS Description Services Patients Avg allowed
99490 Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month 362 94 $62
36415 Insertion of needle into vein for collection of blood sample 186 162 $8
80053 Blood test, comprehensive group of blood chemicals 143 132 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 132 120 $8
83036 Hemoglobin a1c level 111 103 $10
99214 Established patient office or other outpatient visit, 30-39 minutes 92 81 $127
85610 Blood test, clotting time 67 15 $4
99211 Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 64 14 $24
83540 Iron level 51 47 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 43 42 $91

In context: peer comparison

Among 2 peers in this city , average services per provider: 54. This provider delivers 31× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$485
Transactions
22
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Amgen Inc. 4 $112.22
IDORSIA PHARMACEUTICALS US INC 4 $76.18
Boehringer Ingelheim Pharmaceuticals, Inc. 3 $63.63
Novartis Pharmaceuticals Corporation 4 $63.40
Exact Sciences Corporation 2 $41.74
PFIZER INC. 2 $39.17
Inspire Medical Systems, Inc. 1 $35.35
Lilly USA, LLC 1 $31.69
Astellas Pharma US Inc 1 $21.95

By nature of payment

Food and Beverage
$485

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,891
Patients
600
Total drug cost
$30,308
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 279 89 $3,992
Levothyroxine Sodium Generic 223 57 $4,189
Alprazolam Generic 191 65 $1,235
Amlodipine Besylate Generic 178 62 $1,729
Zolpidem Tartrate Generic 133 18 $941
Metoprolol Succinate Generic 132 43 $3,054
Rosuvastatin Calcium Generic 107 36 $2,298
Ezetimibe Generic 101 31 $3,942
Losartan Potassium Generic 97 38 $1,252
Pantoprazole Sodium Generic 92 29 $1,668