Maria Dulce Regina Tomas Zarraga, M.D.
Geriatric Medicine (Internal Medicine) Physician · Portland, OR
Maria Dulce Regina Tomas Zarraga, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Portland, Oregon, and NPI 1386835981, issued on Aug 8, 2007. Check the license (Oregon MD150677, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Maria Dulce Regina Tomas Zarraga
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- MD150677 OR
Self-reported in NPPES; status is on the state search - Practice location
- 2222 NW Lovejoy St, Portland, OR 97210
- Phone
- (503) 413-8018
- Enumerated
- Aug 8, 2007
- Record last updated
- Feb 28, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (503) 413-8011
- Medicaid ID
- 218105 OR
- Medicare enrollment
- Enrolled (PECOS I20101213000397); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 67 in Oregon → Look up another NPI →
Also registered at 2222 NW Lovejoy St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Balentine, MDOphthalmology Physician1962482638
- Connie Barber, ANPNurse Practitioner1891787602
- James Borden, MDInternal Medicine Physician1679555742
- Dustin Bronsdon, AU.D.Audiologist1851726319
- Julie Cohn, M.D.Geriatric Psychiatry Physician1669608402
- Robert Courtox, PAPhysician Assistant1184626970
Verify Maria Dulce Regina Tomas Zarraga in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license MD150677Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
991 Medicare Part D claims for 169 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D.
Most prescribed
- Memantine Hcl309 claims
- Sertraline Hcl159 claims
- Mirtazapine106 claims
- Donepezil Hcl74 claims
- Quetiapine Fumarate69 claims
- Risperidone30 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 86 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Legacy Clinics LLCPortland, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Dulce Regina Tomas Zarraga among 67 geriatric medicine (internal medicine) physician records in Oregon
Maria Dulce Regina Tomas Zarraga, M.D. is one of 67 geriatric medicine (internal medicine) physician records with a practice address in Oregon. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 60% of them.
- NPI issued2007 · 60% of these records are older, 33% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 36% of these records are
- Graduated2003 · median 2007 among the 24 with a school on file
- Record last updated2018 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Oregon
There are 67 geriatric medicine (internal medicine) physician records in Oregon.
All 67 in Oregon → Every provider in Portland → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Patrick Fitzgerald, M.D.Portland, OR 972101487753331
- Arthur Hayward, MDPortland, OR 972101013020171
- Dawn Miller, MDPortland, OR 972101801337258
- Carolyn Minter, MDPortland, OR 972101710307608
- Patricia Newton, M.D.Portland, OR 972101992765408
- Preston Peterson, MDPortland, OR 972101245201508
- Sally Rosenfeld, M.D.Portland, OR 972101396831947
- Annabelle Sammis, M.D.Portland, OR 972101588792568
Common questions
What is Maria Dulce Regina Tomas Zarraga, M.D.'s NPI number?
Maria Dulce Regina Tomas Zarraga, M.D.'s National Provider Identifier (NPI) is 1386835981, issued on Aug 8, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Maria Dulce Regina Tomas Zarraga, M.D. located?
The NPPES record lists a practice address at 2222 NW Lovejoy St, Portland, OR, 97210. Phone: (503) 413-8018. Providers update this record themselves, so call before visiting.
How can I verify Maria Dulce Regina Tomas Zarraga, M.D.'s license?
NPPES lists Oregon license number MD150677, 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 Maria Dulce Regina Tomas Zarraga, M.D. prescribe under Medicare Part D?
In 2024, Maria Dulce Regina Tomas Zarraga, M.D. had 991 Medicare Part D claims for 169 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Maria Dulce Regina Tomas Zarraga, M.D.'s MIPS final score?
The 2023 MIPS final score is 86 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.