John Palma Guerreiro, M.D.
Family Medicine Physician · Beaverton, OR
John Palma Guerreiro, M.D. is a family medicine physician with a practice address in Beaverton, Oregon, and NPI 1518040948, issued on Oct 21, 2006. Check the license (Oregon MD26933, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- John Palma Guerreiro
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- MD26933 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2935 SW Cedar Hills Blvd, Beaverton, OR 97005
- Phone
- (503) 352-6000
- Enumerated
- Oct 21, 2006
- Record last updated
- Dec 15, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20090520000545); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Human Medicine, 2000
- Entity
- Type 1 · individual
Also registered at 2935 SW Cedar Hills Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Bohling, MDFamily Medicine Physician1700818762
- Monica CalkoPharmacist1700374527
- Kimberly Cummings, M.D.Pediatrics Physician1407173040
- Judy Flynn, PAPhysician Assistant1083924948
- Carolyn Goebel, M.D.Family Medicine Physician1073749164
- Petya Gueordjeva, M.D.Family Medicine Physician1346268059
Verify John Palma Guerreiro in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD26933Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average family medicine physician in 2024
2,518 Medicare Part D claims for 212 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 165 claims were for opioids.
Most prescribed
- Atorvastatin Calcium118 claims
- Omeprazole107 claims
- Lisinopril88 claims
- Losartan Potassium86 claims
- Levothyroxine Sodium85 claims
- Oxycodone Hcl78 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 one group practice
- Virginia Garcia Memorial Health CenterBeaverton, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
81 family medicine physician records list a practice address in Beaverton
They are 81 of the 3,604 NPPES records with a practice address in Beaverton, and 2,847 family medicine physician records in Oregon.
All 81 in Beaverton → All 2,847 in Oregon → Every provider in Beaverton →
Other family medicine physician records in Oregon
- Roxana Abbott, DOPortland, OR1275799082
- David Abdun-Nur, M.D.Grants Pass, OR1396737847
- Traci Ackron, D.O.Hillsboro, OR1336588789
- Orlando Acosta, MDHood River, OR1912990375
- Michele Adamcak, D.O.Tigard, OR1114097227
- Standley Adamek, DOTigard, OR1144515230
- Harry Adamo, MDSpringfield, OR1235191412
- Allyson AdamsClackamas, OR1043899537
- Caroline Adams, MDGresham, OR1164840815
- Justin Adams, M.D.Medford, OR1760616866
Common questions
What is John Palma Guerreiro, M.D.'s NPI number?
John Palma Guerreiro, M.D.'s National Provider Identifier (NPI) is 1518040948, issued on Oct 21, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Palma Guerreiro, M.D. located?
The NPPES record lists a practice address at 2935 SW Cedar Hills Blvd, Beaverton, OR, 97005. Phone: (503) 352-6000. Providers update this record themselves, so call before visiting.
How can I verify John Palma Guerreiro, M.D.'s license?
NPPES lists Oregon license number MD26933, 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 John Palma Guerreiro, M.D. prescribe under Medicare Part D?
In 2024, John Palma Guerreiro, M.D. had 2,518 Medicare Part D claims for 212 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.
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.