NPPES file of Aug 9, 2026

Mark Christopher Adams, M.D.

Anesthesiology Physician · Portland, OR

Mark Christopher Adams, M.D. is an anesthesiology physician with a practice address in Portland, Oregon, and NPI 1700044484, issued on May 29, 2008. Check the license (Oregon MD166550, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1700044484
Name
Mark Christopher Adams
Credential
M.D.
Primary taxonomy
Anesthesiology Physician 207L00000X
License numbers
MD166550 OR
252118 MA
Self-reported in NPPES; status is on the state search
Practice location
707 SW Washington St, Portland, OR 97205
Phone
(503) 299-9906
Enumerated
May 29, 2008
Record last updated
Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(503) 225-9002
Medicaid ID
500673878 OR
Medicare enrollment
Enrolled (PECOS I20141106002304); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 2008
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 707 SW Washington St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Abrahams, M.D.Anesthesiology Physician1467667428
  2. Brent Andersen, MDAnesthesiology Physician1013981216
  3. Shea Anderson, MDAnesthesiology Physician1902073604
  4. Methapan Arunakul, MDAnesthesiology Physician1578756789
  5. Anunai Asthana, M.D.Anesthesiology Physician1871785014
  6. Carrie Atcheson, MD, MPHAnesthesiology Physician1134359151

Verify Mark Christopher Adams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD166550
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Oregon license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $42.02

1 payment: food and beverage; the largest payer was Arthrex, 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.

  1. Mark Adams$42.02
  2. Specialty average$669.59

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Premier Anesthesia OF Oregon PCNewberg, OR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Christopher Adams among 969 anesthesiology physician records in Oregon

Mark Christopher Adams, M.D. is one of 969 anesthesiology physician records with a practice address in Oregon. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 57% of them.

  • NPI issued2008 · 57% of these records are older, 37% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated2008 · median 2009 among the 627 with a school on file
  • Record last updated2020 · 64% 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 Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

578 anesthesiology physician records list a practice address in Portland

They are 578 of the 42,088 NPPES records with a practice address in Portland, and 969 anesthesiology physician records in Oregon.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Brent Andersen, MDPortland, OR 972051013981216
  2. Ying-Hao Au, DOPortland, OR 972051225002439
  3. Neil Jeffery Axel, MDPortland, OR 972051194799304
  4. Michael Berry, MDPortland, OR 972051578537577
  5. Elizabeth Billerbeck, MDPortland, OR 972051538133749
  6. Bruce Bolton, MDPortland, OR 972051053385260
  7. Thomas Box, MDPortland, OR 972051861466088
  8. Matthew Buckon, MDPortland, OR 972051013981232

Common questions

What is Mark Christopher Adams, M.D.'s NPI number?

Mark Christopher Adams, M.D.'s National Provider Identifier (NPI) is 1700044484, issued on May 29, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mark Christopher Adams, M.D. located?

The NPPES record lists a practice address at 707 SW Washington St, Portland, OR, 97205. Phone: (503) 299-9906. Providers update this record themselves, so call before visiting.

How can I verify Mark Christopher Adams, M.D.'s license?

NPPES lists Oregon license number MD166550, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. 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.