Dr. Elizabeth Ann Nieto, MD
- Medicare services, 2024
- 353
- Medicare patients, 2024
- 123
- Part D claims, 2024
- 2,423
- Industry payments
- $794
- Affiliated sites
- 2
- Practice address
- 24321 Avenida De Carlota, Laguna Hills, CA 92653
- Practice phone
- Call (714) 449-4841
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Foundation
Laguna Hills, California
Find Dr. Nieto's professional email, personal email and mobile number
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Dr. Elizabeth Ann Nieto is an internist in Laguna Hills, California
Dr. Nieto practices at Providence Medical Foundation in Laguna Hills, California.
Dr. Nieto's NPI, 1689020760, was assigned on May 9, 2016. Dr. Nieto graduated from Carver College of Medicine in 2016. Dr. Nieto holds California license A168450.
- NPI
- 1689020760NPI Registry (opens in a new tab)
- NPI enumeration date
- May 9, 2016
- NPI status
- Active
- Practice phone
- (714) 449-4841
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Elizabeth Ann Nieto practices at Providence Medical Foundation in Laguna Hills, California
Dr. Nieto's primary practice is Providence Medical Foundation, at 24321 Avenida De Carlota, Laguna Hills, CA 92653 in Orange County. The practice phone is (714) 449-4841.
- Providence Medical Foundation24321 Avenida De Carlota, Laguna Hills, CA 92653 · Orange CountyPhone(714) 449-4841
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Elizabeth Ann Nieto is affiliated with 3 sites of care and 2 medical groups
Dr. Nieto's primary practice is Providence Medical Foundation in Laguna Hills, California. The medical group on file is St. Jude Heritage Medical Group. Dmand AI also links Dr. Nieto to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Elizabeth Ann Nieto's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nieto practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medical Foundation | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Elizabeth Ann Nieto is one of 16,751 internists in California
Internal medicine is Dr. Nieto's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Nieto is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nieto's licenses on file in 3 states: California, Texas and Minnesota.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Texas license
- Minnesota license
Clinical focus
Dmand AI lists acid reflux, acute skin infection, adjustment disease, arthritis, atrial fibrillation and flutter, chronic anemia, chronic diabetes and chronic embolism thrombosis among the conditions Dr. Nieto treats.
Internists near Dr. Nieto
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Elizabeth Ann Nieto billed Medicare for 353 services in 2024
CMS data shows 353 Medicare services from Dr. Nieto across 11 procedure codes in 2024, for 123 Medicare patients. Medicare paid $18,474 for them. Every service was in an office.
Dr. Nieto's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3442024: 14358%
- Lab and pathology
- 2023: 3772024: 10572%
- Other services
- 2023: 1162024: 7337%
- Surgery
- 2023: 1252024: 3274%
- Tests and treatments
- 2023: 202024: 0100%
Dr. Nieto compared with the California median for internists, 2024
- Dr. Nieto
- California median
- Medicare services
- 353vs 361Close to median
- Medicare patients
- 123vs 15119% below
- Part D claims
- 1,882vs 4214.5 times
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Nieto's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Nieto?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nieto and other internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Elizabeth Ann Nieto treated 123 Medicare patients in 2024, average age 74
CMS counts 123 Medicare patients who saw Dr. Nieto in 2024. The largest group is 65 to 74, with 56 patients. 75% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 1.03, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nieto's median patient age at 65, with 78% women.
Dr. Nieto's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Nieto's Medicare patients by sex, 2024
- Women9980%
- Men2420%
Chronic conditions among Dr. Nieto's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis51%
- Anxiety35%
- Osteoporosis25%
- Diabetes24%
- Mood disorders22%
- Depression21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nieto's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women78%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Elizabeth Ann Nieto wrote 2,423 Medicare Part D claims in 2024
In 2024, Dr. Nieto wrote 2,423 Medicare Part D claims for 287 patients. 91% of them were for generic drugs. CMS names the drug for 1,882 of them, across 55 drugs with 11 or more claims each, at $78,076 in total drug cost. In 2023, CMS named 2,204 claims across 68 drugs.
Dr. Nieto's Part D claims by kind of drug, 2024
- Generic2,204 claims91%
- Brand-name and other219 claims9%
Dr. Nieto's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Nieto's Part D claims, 2024
- Opioids1%23 of 2,423 claims
- Antibiotics2%38 of 2,423 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,2042024: 1,88215%
Drugs named by CMS: 55 in 2024, 68 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Elizabeth Ann Nieto received $794 in industry payments from 2020 to 2025
CMS Open Payments shows 38 general payments to Dr. Nieto from 15 drug and device companies from 2020 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $286.
General payments to Dr. Nieto by program year, 2020 to 2025
Companies that paid Dr. Nieto the most, 2020 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Elizabeth Ann Nieto graduated from Carver College of Medicine
Dr. Nieto graduated from Carver College of Medicine in 2016.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. Elizabeth Ann Nieto accepts plans from 6 insurance carriers
Dr. Nieto is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- Elevance
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Nieto accepts, by number of carriers
- Medicare6
- PPO4
- HMO2
- POS2
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Elizabeth Ann Nieto's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Elizabeth Ann Nieto
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Elizabeth Ann Nieto's NPI number?
Dr. Elizabeth Ann Nieto's NPI number is 1689020760. It was assigned on May 9, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Elizabeth Ann Nieto?
Dr. Elizabeth Ann Nieto is an internist in Laguna Hills, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Elizabeth Ann Nieto practice?
Dr. Nieto practices at 24321 Avenida De Carlota, Laguna Hills, CA 92653. Dr. Nieto's primary practice is Providence Medical Foundation in Laguna Hills, California. Dmand AI also links Dr. Nieto to 2 group practices and clinics and 1 medical group.
What is Dr. Elizabeth Ann Nieto's office phone number?
The practice phone on file for Dr. Nieto is (714) 449-4841.
What is Dr. Elizabeth Ann Nieto's medical license number?
Dr. Nieto holds California license A168450, one of the licenses on file in 3 states.
Which states has Dr. Elizabeth Ann Nieto been licensed in?
Dmand AI has state licenses on file for Dr. Nieto in California (2020 to 2026), Texas (2019 to 2021) and Minnesota (2016 to 2019).
What medical group is Dr. Elizabeth Ann Nieto part of?
Dr. Nieto is linked to St. Jude Heritage Medical Group. Dmand AI links Dr. Nieto to 1 more medical group.
Does Dr. Elizabeth Ann Nieto accept Medicare?
Yes. CMS data shows Dr. Nieto billed Medicare for 353 services in 2024.
How many Medicare patients does Dr. Elizabeth Ann Nieto see?
CMS counts 123 Medicare patients who saw Dr. Nieto in 2024, with an average age of 74.
Is Dr. Elizabeth Ann Nieto board certified?
Yes. Dr. Nieto is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Dr. Elizabeth Ann Nieto bill to Medicare?
In 2024, Dr. Nieto's most billed Medicare services were office visit, established patient (99213), medicare service (G0439) and office visit, established patient (99214).
Where did Dr. Elizabeth Ann Nieto go to medical school?
Dr. Nieto graduated from Carver College of Medicine in 2016.
What drugs does Dr. Elizabeth Ann Nieto prescribe most?
In 2024 Medicare Part D data, Dr. Nieto's most prescribed drugs by claims were Atorvastatin Calcium, Losartan Potassium and Levothyroxine Sodium.
Has Dr. Elizabeth Ann Nieto received payments from drug or device companies?
CMS Open Payments shows $794 in general payments to Dr. Nieto from 15 companies from 2020 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Elizabeth Ann Nieto been practicing?
Dr. Nieto graduated from medical school in 2016, 10 years ago.
What insurance does Dr. Elizabeth Ann Nieto accept?
Dr. Nieto is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, Elevance and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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