Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Allen Lang, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1659300119

Mark Allen Lang, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Warren, Ohio. Qualified in 2003, 23 years ago. Practices with Safe Anesthesia Chardon LLC, a 20-clinician group and accepts Medicare assignment. Licensed in Ohio.

Years since qualifying
23
Licensed in
OH
In the registry since
2006
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

See every abbreviation used in this directory →

Practice location Address checks out

667 Eastland Ave SE
Warren, OH 44484-4503
Phone: (330) 841-4000
Fax: (330) 841-4455
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence RN.229173.COA-1 (OH)

Record details

NPI number1659300119
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedJune 30, 2006
Last updated in NPPESFebruary 19, 2015

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2003 (23 years in practice)
Group practice Safe Anesthesia Chardon Llc — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Warren