Maria Dulce Regina Zarraga, M.D.
NPI 1386835981 · Geriatric Medicine (Internal Medicine) Physician · Portland, OR
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Dulce Regina Zarraga, M.D. is a Geriatric Medicine (Internal Medicine) Physician provider in Portland, OR (NPI 1386835981).
Provider details
- NPI number
- 1386835981
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
343 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 167 | $33 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 57 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 47 | $185 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 29 | $225 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Memantine Hcl | 309 | 84 |
| Sertraline Hcl | 159 | 47 |
| Mirtazapine | 106 | 29 |
| Donepezil Hcl | 74 | 27 |
| Quetiapine Fumarate | 69 | 21 |
| Risperidone | 30 | — |
| Escitalopram Oxalate | 22 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-08-08
- Last updated
- 2018-02-28
Frequently asked questions
- What is Maria Dulce Regina Zarraga's NPI number?
- Maria Dulce Regina Zarraga's National Provider Identifier (NPI) is 1386835981, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Dulce Regina Zarraga's specialty?
- Maria Dulce Regina Zarraga is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Dulce Regina Zarraga located?
- Maria Dulce Regina Zarraga's practice location on file with NPPES is 2222 Nw Lovejoy St, Portland, OR 97210.
- What is Maria Dulce Regina Zarraga's phone number?
- The practice phone number listed in the NPPES registry for Maria Dulce Regina Zarraga is (503) 413-8018.
- Does Maria Dulce Regina Zarraga accept Medicare?
- Maria Dulce Regina Zarraga is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Dulce Regina Zarraga's NPI active?
- Yes — Maria Dulce Regina Zarraga's NPI (1386835981) is active in the NPPES registry as of the last update on 2018-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.