Elizabeth Nieto, M.D.
NPI 1689020760 · Internal Medicine Physician · Mission Viejo, CA
Elizabeth Nieto, M.D. is a Internal Medicine Physician provider in Mission Viejo, CA (NPI 1689020760).
Provider details
- NPI number
- 1689020760
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A168450 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
10 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
353 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 101 | $98 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 46 | $140 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 42 | $138 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 32 | $9 |
| 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 | 27 | $17 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 181 | 55 |
| Losartan Potassium | 131 | 43 |
| Levothyroxine Sodium | 125 | 44 |
| Amlodipine Besylate | 118 | 46 |
| Rosuvastatin Calcium | 87 | 30 |
| Hydrochlorothiazide | 75 | 22 |
| Lisinopril |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$219 across 10 records (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
Additional practice locations (1)
- 420 Delaware Street Se, Mmc 508Minneapolis, MN 55455-3200Phone: (612) 626-5031
Registry dates
- Enumerated
- 2016-05-09
- Last updated
- 2020-10-28
- Certified
- 2020-10-28
Frequently asked questions
- What is Elizabeth Nieto's NPI number?
- Elizabeth Nieto's National Provider Identifier (NPI) is 1689020760, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Nieto's specialty?
- Elizabeth Nieto is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Elizabeth Nieto located?
- Elizabeth Nieto's practice location on file with NPPES is 26800 Crown Valley Pkwy Ste 325, Mission Viejo, CA 92691-6384.
- What is Elizabeth Nieto's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Nieto is (949) 364-6000.
- Is Elizabeth Nieto's NPI active?
- Yes — Elizabeth Nieto's NPI (1689020760) is active in the NPPES registry as of the last update on 2020-10-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.