Andrea S. Nacca, PA
- Medicare services, 2024
- 188
- Medicare patients, 2024
- 140
- Part D claims, 2024
- 183
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 9920 Talbert Avenue, Fountain Valley, CA 92708
- Practice phone
- Call (714) 378-7000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Andrea Nacca's professional email, personal email and mobile number
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Andrea S. Nacca is a physician assistant in Fountain Valley, California
Andrea Nacca practices at Orange Coast Medical Center in Fountain Valley, California, part of MemorialCare Health System.
Andrea Nacca's NPI, 1184935926, was assigned on June 26, 2010. Andrea Nacca graduated from University of California, Davis School of Medicine in 2010. Andrea Nacca holds California license PA21090.
- NPI
- 1184935926NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850584558
- NPI enumeration date
- June 26, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 378-7000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Andrea S. Nacca practices at Orange Coast Medical Center in Fountain Valley, California
Andrea Nacca's primary practice is Orange Coast Medical Center, at 9920 Talbert Avenue, Fountain Valley, CA 92708 in Orange County. The practice phone is (714) 378-7000.
- Orange Coast Medical Center9920 Talbert Avenue, Fountain Valley, CA 92708 · Orange CountyPhone(714) 378-7000
Source: Dmand AI Affiliation Data
Andrea S. Nacca is affiliated with 3 sites of care and 4 medical groups
Andrea Nacca's primary practice is Orange Coast Medical Center in Fountain Valley, California, part of MemorialCare Health System. The medical group on file is Vituity. Dmand AI also links Andrea Nacca to 3 more medical groups, 1 community health center and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Andrea S. Nacca's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Andrea Nacca practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Orange Coast Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Andrea S. Nacca is one of 11,482 physician assistants in California
Physician assistant is Andrea Nacca's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Andrea Nacca is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Andrea Nacca
Counts of physician assistants 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
Andrea S. Nacca billed Medicare for 188 services in 2024
CMS data shows 188 Medicare services from Andrea Nacca across 3 procedure codes in 2024, for 140 Medicare patients. Medicare paid $14,004 for them. Every service was in a facility, such as a hospital, rather than an office.
Andrea Nacca's Medicare services by type, 2024
- Office and hospital visits130
- Tests and treatments58
Andrea Nacca compared with the California median for physician assistants, 2024
- Andrea Nacca
- California median
- Medicare services
- 188vs 2048% below
- Medicare patients
- 140vs 10533% above
- Part D claims
- 90vs 24363% below
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Andrea Nacca'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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Andrea S. Nacca treated 140 Medicare patients in 2024, average age 73
CMS counts 140 Medicare patients who saw Andrea Nacca in 2024. The largest group is 65 to 74, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 58% are also on Medicaid. Their average risk score is 2.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Andrea Nacca's median patient age at 49, with 63% women.
Andrea Nacca's Medicare patients by age, 2024
Andrea Nacca's Medicare patients by sex, 2024
- Women7755%
- Men6345%
Chronic conditions among Andrea Nacca's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Diabetes45%
- Chronic kidney disease36%
- Anxiety30%
- Ischemic heart disease30%
- Mood disorders30%
Share of Medicare patients with each condition. A patient can have several.
Andrea Nacca's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 49
Patient panel by sex, all payers
- Women63%
- Men36%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Andrea S. Nacca wrote 183 Medicare Part D claims in 2024
In 2024, Andrea Nacca wrote 183 Medicare Part D claims for 137 patients. 96% of them were for generic drugs. CMS names the drug for 90 of them, across 4 drugs with 11 or more claims each, at $404 in total drug cost.
Andrea Nacca's Part D claims by kind of drug, 2024
- Generic175 claims96%
- Brand-name and other8 claims4%
Andrea Nacca'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 Andrea Nacca's Part D claims, 2024
- Opioids20%36 of 183 claims
- Antibiotics31%57 of 183 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Andrea S. Nacca scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Andrea Nacca for performance year 2024, reported as part of a group. Andrea Nacca accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Andrea Nacca's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Andrea S. Nacca received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to Andrea Nacca from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. MAQUET Cardiovascular U.S. Sales, L.L.C. paid the most, $22.
Companies that paid Andrea Nacca the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Andrea S. Nacca graduated from University of California, Davis School of Medicine
Andrea Nacca graduated from University of California, Davis School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Andrea S. Nacca'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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 |
| 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 Andrea S. Nacca
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What is Andrea S. Nacca's NPI number?
Andrea S. Nacca's NPI number is 1184935926. It was assigned on June 26, 2010, and it is active in the NPI Registry.
What does Andrea S. Nacca specialize in?
Andrea S. Nacca is a physician assistant in Fountain Valley, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Andrea S. Nacca practice?
Andrea Nacca practices at 9920 Talbert Avenue, Fountain Valley, CA 92708. Andrea Nacca's primary practice is Orange Coast Medical Center in Fountain Valley, California, part of MemorialCare Health System. Dmand AI also links Andrea Nacca to 3 medical groups, 1 community health center and 1 group practice or clinic.
What is Andrea S. Nacca's office phone number?
The practice phone on file for Andrea Nacca is (714) 378-7000.
What is Andrea S. Nacca's medical license number?
Andrea Nacca holds California license PA21090.
Which hospitals is Andrea S. Nacca affiliated with?
Andrea Nacca practices at Orange Coast Medical Center in Fountain Valley, California.
What medical group is Andrea S. Nacca part of?
Andrea Nacca is linked to Vituity. Dmand AI links Andrea Nacca to 3 more medical groups.
Does Andrea S. Nacca accept Medicare?
Yes. CMS data shows Andrea Nacca billed Medicare for 188 services in 2024, and Andrea Nacca accepts Medicare assignment.
What is Andrea S. Nacca's MIPS score?
Andrea Nacca's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Andrea S. Nacca see?
CMS counts 140 Medicare patients who saw Andrea Nacca in 2024, with an average age of 73.
Show 5 more questionsShow fewer questions
What services does Andrea S. Nacca bill to Medicare?
In 2024, Andrea Nacca's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Andrea S. Nacca go to medical school?
Andrea Nacca graduated from University of California, Davis School of Medicine in 2010.
What drugs does Andrea S. Nacca prescribe most?
In 2024 Medicare Part D data, Andrea Nacca's most prescribed drugs by claims were Cephalexin, Hydrocodone-Acetaminophen and Ibuprofen.
Has Andrea S. Nacca received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Andrea Nacca from 1 company from 2025 to 2025. The largest total came from MAQUET Cardiovascular U.S. Sales, L.L.C.
How long has Andrea S. Nacca been practicing?
Andrea Nacca graduated from medical school in 2010, 16 years ago.
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