Ian Richard McKenzie, DO
Anesthesiology Physician · Portsmouth, NH
Ian Richard McKenzie, DO is an anesthesiology physician with a practice address in Portsmouth, New Hampshire, and NPI 1326541137, issued on Mar 18, 2018. Check the license (New Hampshire 22563, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ian Richard McKenzie
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 22563 NH
UO6252 FL
Self-reported in NPPES; status is on the state search - Practice location
- 333 Borthwick Ave, Portsmouth, NH 03801
- Phone
- (603) 436-5110
- Enumerated
- Mar 18, 2018
- Record last updated
- Oct 7, 2022
- Medicare enrollment
- Enrolled (PECOS I20220909002188); accepts Medicare assignment
- Medical or professional school
- Edward Via Col Of Osteo Medicine-Carolinas Campus, 2018
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 304 in New Hampshire → Look up another NPI →
Also registered at 333 Borthwick Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Basil Al-Masarweh, MBBSStudent in an Organized Health Care Education/Training Program1346092004
- Nicholas Alana, MDInternal Medicine Physician1922687599
- Donavon Albertson, MDEmergency Medicine Physician1780759027
- Hossam Algamil, M.D.Hospitalist Physician1942429865
Verify Ian Richard McKenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 22563Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $14.96
1 payment: food and beverage; the largest payer was ConvaTec Inc. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Portsmouth Anesthesia Associates PAPortsmouth, NH
- Stratham Anesthesia Associates PLLCStratham, NH
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ian Richard McKenzie among 304 anesthesiology physician records in New Hampshire
Ian Richard McKenzie, DO is one of 304 anesthesiology physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 88% of them.
- NPI issued2018 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2018 · median 2005 among the 210 with a school on file
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in New Hampshire
There are 304 anesthesiology physician records in New Hampshire.
All 304 in New Hampshire → Every provider in Portsmouth → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Robert Andelman, MDPortsmouth, NH 038011760483960
- Richard Duffy, MDPortsmouth, NH 038011336140714
- Brian Dunbar, DOPortsmouth, NH 038011982606042
- Trevor Emory, M.D.Portsmouth, NH 038011326261611
- Brian Engle, MDPortsmouth, NH 038011629574231
- Peter Huang, M.D.Portsmouth, NH 038011184891574
- Andrew Kulesza, MDPortsmouth, NH 038011306847710
- Timothy Lacy, M.D.Newington, NH 038011275683393
Common questions
What is Ian Richard McKenzie, DO's NPI number?
Ian Richard McKenzie, DO's National Provider Identifier (NPI) is 1326541137, issued on Mar 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Ian Richard McKenzie, DO located?
The NPPES record lists a practice address at 333 Borthwick Ave, Portsmouth, NH, 03801. Phone: (603) 436-5110. Providers update this record themselves, so call before visiting.
How can I verify Ian Richard McKenzie, DO's license?
NPPES lists New Hampshire license number 22563, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.