Maria Katrina Dominguez, D.O.
NPI 1205100344 · Family Medicine Physician · Santa Ana, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Katrina Dominguez, D.O. is a Family Medicine Physician provider in Santa Ana, CA (NPI 1205100344).
Provider details
- NPI number
- 1205100344
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Female
- Sole proprietor
- No
- License
- 20A12051 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 154 | 64 |
| Lisinopril | 98 | 37 |
| Levothyroxine Sodium | 84 | 32 |
| Amlodipine Besylate | 82 | 30 |
| Rosuvastatin Calcium | 77 | 38 |
| Losartan Potassium | 63 | 22 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-07
- Last updated
- 2021-11-29
Frequently asked questions
- What is Maria Katrina Dominguez's NPI number?
- Maria Katrina Dominguez's National Provider Identifier (NPI) is 1205100344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Katrina Dominguez's specialty?
- Maria Katrina Dominguez is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Katrina Dominguez located?
- Maria Katrina Dominguez's practice location on file with NPPES is 3401 S Harbor Blvd, Santa Ana, CA 92704-7933.
- What is Maria Katrina Dominguez's phone number?
- The practice phone number listed in the NPPES registry for Maria Katrina Dominguez is (888) 988-2800.
- Does Maria Katrina Dominguez accept Medicare?
- Maria Katrina Dominguez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Katrina Dominguez's NPI active?
- Yes — Maria Katrina Dominguez's NPI (1205100344) is active in the NPPES registry as of the last update on 2021-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.