Doctor profile · Federal record

Dr. Karen Machak, CRNA

Certified Registered Nurse Anesthetist · Registered Nurse · Warren, OH

  • NPI 1710939111
  • 20 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1350 E Market St
Warren, OH 444836608
(330) 841-9230
fax (330) 841-9571
Mailing address
3622 Belmont Ave, Suite 1
Youngstown, OH 445051450

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
March 15, 2011
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
Ohio #NA00684 · Ohio #RN127631
Medicaid
OH #0847954

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710939111. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
16
Distinct HCPCS
1
Medicare allowed
$1,042
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 16 16 $65

In context: peer comparison

Among 10 peers in Warren Certified Registered Nurse Anesthetist, average services per provider: 36. This provider delivers 0.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Karen Machak's medical specialty?
Dr. Karen Machak practices Certified Registered Nurse Anesthetist in Warren, OH.
Where does Dr. Karen Machak practice?
Dr. Karen Machak practices at 1350 E Market St, Warren, OH 444836608. Office phone: 3308419230.
What is Dr. Karen Machak's NPI?
Dr. Karen Machak's National Provider Identifier (NPI) is 1710939111, issued by NPPES.
What procedures does Dr. Karen Machak commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.