Doctor profile · Federal record

Dr. Karla Holtzman, PA

Medical Physician Assistant · Naperville, IL

  • NPI 1851544936
  • 18 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2272 95Th St Ste 325
Naperville, IL 605648944
(630) 778-4700
fax (630) 778-4755
Additional location
1012 95Th St
Naperville, IL 605646041

Credentials & registration

NPPES · NUCC
NPI registered
November 2008 — 18 yrs on file
Profile last updated
May 13, 2019
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Illinois #085.001217

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851544936. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,100
Transactions
55
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 11 $208.80
Pfizer INC. 13 $164.94
Lilly USA, LLC 5 $152.42
Abbvie INC. 6 $136.96
Exact Sciences Corporation 5 $93.83
Abbott Laboratories 3 $68.18
AstraZeneca Pharmaceuticals Lp 3 $44.02
Boehringer Ingelheim Pharmaceuticals, INC. 2 $41.30
Edwards Lifesciences Corporation 1 $29.93
Amgen INC. 1 $27.19
Seqirus USA INC 1 $24.72
Iti, INC. (D/B/A Intra-Cellular Therapies, INC.) 1 $24.41
GlaxoSmithKline, LLC. 1 $20.11
Phathom Pharmaceuticals, INC. 1 $18.37
Novartis Pharmaceuticals Corporation 1 $16.11

By nature of payment

Food and Beverage
$1,100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
435
Patients
84
Total drug cost
$5,459
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 70 13 $1,291
Atorvastatin Calcium Generic 43 15 $460
Alprazolam Generic 39 16 $290
Prednisone Generic 32 27 $90
Montelukast Sodium Generic 31 0 $506
Levothyroxine Sodium Generic 29 13 $373
Clonazepam Generic 25 0 $259
Hydrochlorothiazide Generic 25 0 $182
Rosuvastatin Calcium Generic 23 0 $447
Metoprolol Succinate Generic 22 0 $461

Frequently asked questions

Auto-generated from federal data
What is Dr. Karla Holtzman's medical specialty?
Dr. Karla Holtzman practices Medical Physician Assistant in Naperville, IL.
Where does Dr. Karla Holtzman practice?
Dr. Karla Holtzman practices at 2272 95Th St Ste 325, Naperville, IL 605648944. Office phone: 6307784700.
What is Dr. Karla Holtzman's NPI?
Dr. Karla Holtzman's National Provider Identifier (NPI) is 1851544936, issued by NPPES.