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

Dr. Ian Richard McKenzie, DO

Individual provider Internal Medicine Physician · NPI 1326541137

Dr. Ian Richard McKenzie, DO is an Anesthesiology in Portsmouth, New Hampshire. Graduated from Edward via Col of Osteo Medicine-Carolinas Campus in 2018, 8 years ago. Practices with Portsmouth Anesthesia Associates PA, a 40-clinician group and accepts Medicare assignment. Licensed in Florida and New Hampshire.

Years since qualifying
8
Trained at
Edward via Col of Osteo Medicine-Carolinas Campus
Licensed in
FL, NH
In the registry since
2018
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

333 Borthwick Ave
Portsmouth, NH 03801-7128
Phone: (603) 436-5110
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 22563 (NH)
Internal Medicine Physician Taxonomy 207R00000X · Licence UO6252 (FL)

Record details

NPI number1326541137
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 18, 2018
Last updated in NPPESOctober 7, 2022
Certification dateOctober 7, 2022

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolEDWARD VIA COL OF OSTEO MEDICINE-CAROLINAS CAMPUS
Graduated 2018 (8 years in practice)
Group practice Portsmouth Anesthesia Associates Pa — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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