Margarita Guarin, M.D.
Pediatrics Physician · Portland, OR
Margarita Guarin, M.D. is a pediatrics physician with a practice address in Portland, Oregon, and NPI 1023105301, issued on Oct 6, 2006. Check the license (Oregon MD229655, as entered in NPPES) on the Oregon Medical Board; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Margarita Guarin
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- MD229655 OR
036.150815 IL
Self-reported in NPPES; status is on the state search - Practice location
- 501 N Graham St Ste 330A, Portland, OR 97227
- Phone
- (503) 413-2050
- Enumerated
- Oct 6, 2006
- Record last updated
- Apr 17, 2026
- Medicare enrollment
- Enrolled (PECOS I20260501002162); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 861 in Oregon → Look up another NPI →
Verify Margarita Guarin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD229655Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Margarita Guarin among 861 pediatrics physician records in Oregon
Margarita Guarin, M.D. is one of 861 pediatrics physician records with a practice address in Oregon. 20% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 51% newer
- In a Medicare fileNo · 20% of these records are
- In the CMS Doctors and Clinicians fileYes · 9% of these records are
- Graduated1989 · median 2013 among the 75 with a school on file
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Oregon
There are 861 pediatrics physician records in Oregon. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 861 in Oregon → Every provider in Portland → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Jennifer Bass, M.D.Portland, OR 972271730296351
- Richard Cohen, MDPortland, OR 972271104844489
- Shirin Doratotaj, MDPortland, OR 972271801904305
- Carol Endo, M.D.Portland, OR 972271114945409
- Tammy Heskett, MDPortland, OR 972271831116862
- Paul Horowitz, MDPortland, OR 972271316916240
- Wendy Lin, M.D.Portland, OR 972271639182181
- Malaika Little, MD. MPHPortland, OR 972271477668549
Common questions
What is Margarita Guarin, M.D.'s NPI number?
Margarita Guarin, M.D.'s National Provider Identifier (NPI) is 1023105301, issued on Oct 6, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margarita Guarin, M.D. located?
The NPPES record lists a practice address at 501 N Graham St Ste 330A, Portland, OR, 97227. Phone: (503) 413-2050. Providers update this record themselves, so call before visiting.
How can I verify Margarita Guarin, M.D.'s license?
NPPES lists Oregon license number MD229655, 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. 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.