NPPES file of Aug 9, 2026

Darcy Elizabeth Deering, M.D.

Internal Medicine Physician · Portland, OR

Darcy Elizabeth Deering, M.D. is an internal medicine physician with a practice address in Portland, Oregon, and NPI 1205801065, issued on Feb 22, 2006. Check the license (Oregon MD21351, 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
1205801065
Name
Darcy Elizabeth Deering
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD21351 OR
Self-reported in NPPES; status is on the state search
Practice location
2800 N Vancouver Ave Ste 230, Portland, OR 97227
Phone
(503) 413-4340
Enumerated
Feb 22, 2006
Record last updated
Mar 23, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(503) 413-4898
Medicaid ID
288151 OR
Medicare enrollment
Enrolled (PECOS I20070207000148); accepts Medicare assignment
Medical or professional school
Oregon Health Sciences University School Of Medicine, 1997
Telehealth
Offers telehealth (CMS)
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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8 nearest internal medicine physician records → All 2,116 in Oregon → Look up another NPI →

Also registered at 2800 N Vancouver Ave Ste 230

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

  1. Cliffton Bong, M.D.Infectious Disease Physician1609950849
  2. Kevin Carroll, M.D.Internal Medicine Physician1811337629
  3. Daniel CatalinottoInternal Medicine Physician1417698614
  4. Nathan Harrah, RDRegistered Dietitian1326829284
  5. Caitlin Laman, PA-CPhysician Assistant1790644193
  6. Amanda RissbergerPhysician Assistant1851156392

Verify Darcy Elizabeth Deering in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersOregon Medical Board
    Search for license MD21351    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

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1% fewer Medicare Part D claims than the average internal medicine physician in 2024

3,153 Medicare Part D claims for 206 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 274 claims were for opioids.

  1. Darcy Deering3,153
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate136 claims
  2. Atorvastatin Calcium130 claims
  3. Losartan Potassium110 claims
  4. Hydrocodone-Acetaminophen109 claims
  5. Levothyroxine Sodium100 claims
  6. Gabapentin91 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Legacy Emanuel Hospital And Health CenterPortland, OR
  2. Legacy Good Samaritan Hospital And Medical CenterPortland, OR

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

Darcy Elizabeth Deering among 2,116 internal medicine physician records in Oregon

Darcy Elizabeth Deering, M.D. is one of 2,116 internal medicine physician records with a practice address in Oregon. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.

  • NPI issued2006 · 7% of these records are older, 54% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1997 · median 2008 among the 1,232 with a school on file
  • Record last updated2017 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

889 internal medicine physician records list a practice address in Portland

They are 889 of the 42,088 NPPES records with a practice address in Portland, and 2,116 internal medicine physician records in Oregon.

All 2,116 in Oregon → Every provider in Portland → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Douglas Beers, MDPortland, OR 972271720055197
  2. Denise Bilbao, M.D.Portland, OR 972271538173943
  3. Duane Burroughs, MDPortland, OR 972271134197213
  4. Smitha Chadaga, MDPortland, OR 972271952362295
  5. Lori Farrell, M.D.Portland, OR 972271235103987
  6. Elise Fulsang, MDPortland, OR 972271952305385
  7. Ameet Jhooty, M.DPortland, OR 972271295795938
  8. Tracy Laidley, MDPortland, OR 972271437128451

Common questions

What is Darcy Elizabeth Deering, M.D.'s NPI number?

Darcy Elizabeth Deering, M.D.'s National Provider Identifier (NPI) is 1205801065, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Darcy Elizabeth Deering, M.D. located?

The NPPES record lists a practice address at 2800 N Vancouver Ave Ste 230, Portland, OR, 97227. Phone: (503) 413-4340. Providers update this record themselves, so call before visiting.

How can I verify Darcy Elizabeth Deering, M.D.'s license?

NPPES lists Oregon license number MD21351, 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.

How much does Darcy Elizabeth Deering, M.D. prescribe under Medicare Part D?

In 2024, Darcy Elizabeth Deering, M.D. had 3,153 Medicare Part D claims for 206 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.