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

Timothy P Grannell, CRNA

Individual provider Certified Registered Nurse Anesthetist · NPI 1245482470

Timothy P Grannell, CRNA is a Certified Registered Nurse Anesthetist (CRNA) in Columbus, Ohio. Qualified in 2001, 25 years ago. Practices with Ohio Gastroenterology Group, Inc, a 117-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Ohio and South Carolina.

Years since qualifying
25
Licensed in
OH, SC
In the registry since
2008
Specialties on file
2
What do these letters mean?
CRNA — Certified Registered Nurse Anesthetist
An advanced practice nurse who administers anaesthesia.

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Practice location Address checks out

3400 Olentangy River Rd
Columbus, OH 43202-1523
Phone: (614) 754-5500
Fax: (614) 754-5501
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 700 Childrens Dr, Columbus, OH 43205-2664 — (614) 722-4200
  • 455 Executive Campus Dr, Westerville, OH 43082-8870 — (614) 722-4200

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence COA.14096-NA (OH)
Certified Registered Nurse Anesthetist Taxonomy 367500000X · Licence 3775 (SC)

Record details

NPI number1245482470
Entity typeIndividual (Type 1)
GenderMale
Credentials CRNA
Sole proprietorNo
NPI enumeratedOctober 21, 2008
Last updated in NPPESMarch 20, 2024
Certification dateMarch 20, 2024

Medicare enrollment

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

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2001 (25 years in practice)
Group practice Ohio Gastroenterology Group, Inc. — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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