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Dr. Paul D. Nguyen, DO
NPI1184911968PAC ID1759670714
- Medicare services, 2024
- 328
- Medicare patients, 2024
- 237
- Part D claims, 2024
- 85
- Publications
- 2
- MIPS score, 2024
- 92
- Practice address
- 3003 Paul Sweet Road, Santa Cruz, CA 95065
- Practice phone
- Call (831) 462-5512
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Santa Cruz Surgery Center
Surgery Center - Medicare-Certified · Santa Cruz, California
Find Dr. Nguyen's professional email, personal email and mobile number
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Dr. Paul D. Nguyen is a general surgeon in Santa Cruz, California
Dr. Nguyen practices at Santa Cruz Surgery Center in Santa Cruz, California.
Dr. Nguyen's NPI, 1184911968, was assigned on June 30, 2011. Dr. Nguyen graduated from Des Moines University in 2011. Dr. Nguyen holds California license 20A14554.
NPI and contact details
- NPI
- 1184911968NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759670714
- NPI enumeration date
- June 30, 2011
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (831) 462-5512
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 41
- Medical school graduation
- 2011
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Paul D. Nguyen practices at Santa Cruz Surgery Center in Santa Cruz, California
Dr. Nguyen's primary practice is Santa Cruz Surgery Center, at 3003 Paul Sweet Road, Santa Cruz, CA 95065. The practice phone is (831) 462-5512.
- Santa Cruz Surgery Center3003 Paul Sweet Road, Santa Cruz, CA 95065Phone(831) 462-5512
Source: Dmand AI Affiliation Data
Dr. Paul D. Nguyen is affiliated with 4 sites of care and 1 medical group
Dr. Nguyen's primary practice is Santa Cruz Surgery Center in Santa Cruz, California. Dr. Nguyen is also affiliated with Dignity Health - Dominican Hospital. The medical group on file is Surgical Associates of Monterey Bay. Dmand AI also links Dr. Nguyen to 1 more hospital and 1 group practice or clinic, each named with a free account.
Santa Cruz Surgery CenterPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Paul D. Nguyen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Santa Cruz Surgery Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Paul D. Nguyen is one of 2,926 general surgeons in California
Surgery is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Nguyen's licenses on file in 3 states: California, Michigan and Texas.
Specialties and state licenses
- Surgery, CaliforniaPrimary
- Michigan license
- Texas license
Clinical focus
Dmand AI lists abdominal hernia repair surgery, acute gallbladder or bile duct inflammation, appendectomy, cancerous skin growth removal, colonoscopy, colon removal, gallbladder removal and groin hernia surgery among the conditions Dr. Nguyen treats.
General surgeons near Dr. Nguyen
Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.
2,926general surgeons in California
9general surgeons in Santa Cruz
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Paul D. Nguyen billed Medicare for 328 services in 2024
CMS data shows 328 Medicare services from Dr. Nguyen across 11 procedure codes in 2024, for 237 Medicare patients. Medicare paid $40,759 for them.
Medicare services, 2024328
Medicare patients237
Paid by Medicare$40,759
Procedure codes11
Dr. Nguyen's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2182024: 19610%
- Surgery
- 2023: 502024: 8774%
- Tests and treatments
- 2023: 02024: 45
Where Dr. Nguyen's Medicare services took place, 2024
- In an office15046%
- In a facility17854%
Dr. Nguyen compared with the California median for general surgeons, 2024
- Dr. Nguyen
- California median
- Medicare services
- 328vs 16698% above
- Medicare patients
- 237vs 12196% above
- Part D claims
- 62vs 3482% above
Medians across 2,606 general surgeons in California with Dmand AI profiles that report each measure.
Dr. Nguyen'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. Nguyen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Nguyen and other general surgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Paul D. Nguyen treated 237 Medicare patients in 2024, average age 72
CMS counts 237 Medicare patients who saw Dr. Nguyen in 2024. The largest group is 65 to 74, with 127 patients. 70% of them have high blood pressure, and 70% have high cholesterol. 48% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 53, with 46% women.
Medicare patients, 2024237
Average age72
Average risk score1.38
Also on Medicaid48%
Dr. Nguyen's Medicare patients by age, 2024
Dr. Nguyen's Medicare patients by sex, 2024
- Women10143%
- Men13657%
Chronic conditions among Dr. Nguyen's Medicare patients, 2024
- High blood pressure70%
- High cholesterol70%
- Arthritis35%
- Mood disorders29%
- Anxiety23%
- Depression23%
- Diabetes22%
- Chronic kidney disease20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Nguyen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women46%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Paul D. Nguyen wrote 85 Medicare Part D claims in 2024
In 2024, Dr. Nguyen wrote 85 Medicare Part D claims for 75 patients. 96% of them were for generic drugs. CMS names the drug for 62 of them, across 2 drugs with 11 or more claims each, at $458 in total drug cost. In 2023, CMS named 71 claims across 2 drugs.
Part D claims, 202485
Drugs named by CMS2
Total drug cost$458
Part D patients75
Dr. Nguyen's Part D claims by kind of drug, 2024
- Generic82 claims96%
- Brand-name and other3 claims4%
Dr. Nguyen'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. Nguyen's Part D claims, 2024
- Opioids65%55 of 85 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: 712024: 6213%
Drugs named by CMS: 2 in 2024, 2 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
Dr. Paul D. Nguyen scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Nguyen for performance year 2024, reported individually. Dr. Nguyen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 25 procedures of hernia repair - groin (open) by Dr. Nguyen, more than 97% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Nguyen's MIPS scores, performance year 2024
- 92of 100Final score
- 76of 100Quality
- 82of 100Promoting Interoperability
- 40of 100Improvement Activities
- 97of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Nguyen ranks in Medicare procedure volume
- Colonoscopy
- 66th percentile57 procedures
- Hernia repair - groin (open)
- 97th percentile25 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 42nd percentile11 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Paul D. Nguyen has 2 publications on record
Dmand AI links 2 papers to Dr. Nguyen in 2018. Dr. Nguyen's most frequent co-authors are Toni K. Choueiri, MD, Robert B. Den, MD and Brandon Mahal, MD.
Papers2
Dr. Nguyen's most frequent co-authors
Recent publications by Dr. Nguyen
Anti-Obesity AgentsCells, CulturedDiet, High-Fat
See who Dr. Nguyen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyen works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Paul D. Nguyen received $14,088 in industry payments from 2016 to 2025
CMS Open Payments shows 63 general payments to Dr. Nguyen from 6 drug and device companies from 2016 to 2025. Education make up the largest share, 50% of the total. Intuitive Surgical, Inc. paid the most, $12,569.
General payments to Dr. Nguyen by program year, 2016 to 2025
General payments to Dr. Nguyen by kind, 2016 to 2025
$14.1Kin total
- Education$7,00050%
- Travel and lodging$4,53632%
- Food and beverage$2,27316%
- Gifts$2792%
Companies that paid Dr. Nguyen the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Paul D. Nguyen graduated from Des Moines University
Dr. Nguyen graduated from Des Moines University in 2011. Dr. Nguyen is a member of AOA.
- Medical school
- Board certified in internal medicine
- Board certified in pulmonary disease
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Paul D. Nguyen accepts plans from 15 insurance carriers
Dr. Nguyen is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Elevance
- United Healthcare
- HCSC
- Kaiser Permanente
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Nguyen accepts, by number of carriers
- PPO9
- HMO7
- Medicare7
- POS6
- EPO5
Source: Dmand AI Insurance Network Data
Sources for Dr. Paul D. Nguyen'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Paul D. Nguyen
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. Paul D. Nguyen's NPI number?
Dr. Paul D. Nguyen's NPI number is 1184911968. It was assigned on June 30, 2011, and it is active in the NPI Registry.
What kind of doctor is Dr. Paul D. Nguyen?
Dr. Paul D. Nguyen is a general surgeon in Santa Cruz, California. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Paul D. Nguyen practice?
Dr. Nguyen practices at 3003 Paul Sweet Road, Santa Cruz, CA 95065. Dr. Nguyen's primary practice is Santa Cruz Surgery Center in Santa Cruz, California. Dmand AI also links Dr. Nguyen to 1 hospital and 1 group practice or clinic.
What is Dr. Paul D. Nguyen's office phone number?
The practice phone on file for Dr. Nguyen is (831) 462-5512.
What is Dr. Paul D. Nguyen's medical license number?
Dr. Nguyen holds California license 20A14554, one of the licenses on file in 3 states.
Which states has Dr. Paul D. Nguyen been licensed in?
Dmand AI has state licenses on file for Dr. Nguyen in California (2016 to 2027), Michigan (2015 to 2018) and Texas (2016).
Which hospitals is Dr. Paul D. Nguyen affiliated with?
Dr. Nguyen is affiliated with Dignity Health - Dominican Hospital. Dmand AI links Dr. Nguyen to 1 more hospital.
What medical group is Dr. Paul D. Nguyen part of?
Dr. Nguyen is linked to Surgical Associates of Monterey Bay.
Does Dr. Paul D. Nguyen accept Medicare?
Yes. CMS data shows Dr. Nguyen billed Medicare for 328 services in 2024, and Dr. Nguyen accepts Medicare assignment.
What is Dr. Paul D. Nguyen's MIPS score?
Dr. Nguyen's MIPS final score for performance year 2024 is 92 out of 100, reported individually.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Paul D. Nguyen see?
CMS counts 237 Medicare patients who saw Dr. Nguyen in 2024, with an average age of 72.
Is Dr. Paul D. Nguyen board certified?
Yes. Dr. Nguyen is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Paul D. Nguyen bill to Medicare?
In 2024, Dr. Nguyen's most billed Medicare services were office visit, new patient (99204), special service (99152) and surgery: digestive system (45378).
Where did Dr. Paul D. Nguyen go to medical school?
Dr. Nguyen graduated from Des Moines University in 2011.
What drugs does Dr. Paul D. Nguyen prescribe most?
In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Oxycodone-Acetaminophen and Gavilyte-G.
Has Dr. Paul D. Nguyen received payments from drug or device companies?
CMS Open Payments shows $14,088 in general payments to Dr. Nguyen from 6 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Paul D. Nguyen been practicing?
Dr. Nguyen graduated from medical school in 2011, 15 years ago.
Does Dr. Paul D. Nguyen do research?
Dmand AI links 2 publications to Dr. Nguyen.
Who does Dr. Paul D. Nguyen publish with?
Dr. Nguyen's most frequent co-authors are Toni K. Choueiri, MD (1 shared paper), Robert B. Den, MD (1 shared paper) and Brandon Mahal, MD (1 shared paper).
What insurance does Dr. Paul D. Nguyen accept?
Dr. Nguyen is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Elevance. PPO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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