Doctor profile · Federal record

Dr. James Mazjanis, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Clarksburg, MD

  • NPI 1568184950
  • 4 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
13013 Ebenezer Chapel Dr
Clarksburg, MD 208714323
(401) 215-4245
Additional location
1800 Orleans St
Baltimore, MD 212870010
(410) 955-5000

Credentials & registration

NPPES · NUCC
NPI registered
September 2022 — 4 yrs on file
Profile last updated
May 27, 2025
Year of graduation
2022 — 4 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Maryland #R257658

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1568184950. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
118
Distinct HCPCS
7
Medicare allowed
$21,647
HCPCS Description Services Patients Avg allowed
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 26 26 $67
01402 Anesthesia for procedure for total knee joint replacement 23 23 $309
64999 Other procedure on nervous system 17 17 $25
76942 Ultrasonic guidance for needle placement 17 17 $33
00670 Anesthesia for extensive surgery on spine 12 12 $497
01214 Anesthesia for total hip replacement 12 12 $356
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 11 11 $144

In context: peer comparison

Among 2 peers in this city , average services per provider: 27. This provider delivers 4.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Mazjanis's medical specialty?
Dr. James Mazjanis practices Certified Registered Nurse Anesthetist in Clarksburg, MD.
Where does Dr. James Mazjanis practice?
Dr. James Mazjanis practices at 13013 Ebenezer Chapel Dr, Clarksburg, MD 208714323. Office phone: 4012154245.
What is Dr. James Mazjanis's NPI?
Dr. James Mazjanis's National Provider Identifier (NPI) is 1568184950, issued by NPPES.
Does Dr. James Mazjanis accept Medicare assignment?
Dr. James Mazjanis does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. James Mazjanis commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Other procedure on nervous system (HCPCS 64999). Source: CMS Medicare Physician & Other Practitioners file.