Doctor profile · Federal record

Dr. Paul Nguyen, D.O.

Surgery Physician (CMS: General Surgery) · Surgery Physician · Santa Cruz, CA

  • NPI 1184911968
  • Accepts Medicare
  • MIPS 84.5 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1668 Dominican Way
Santa Cruz, CA 950651522
(831) 464-9962
fax (831) 464-9933

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
May 26, 2016
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
California #20A14554 · Michigan #5101019363

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184911968. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
268
Distinct HCPCS
9
Medicare allowed
$50,512
HCPCS Description Services Patients Avg allowed
99204 New patient office or other outpatient visit, 45-59 minutes 76 76 $179
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 48 48 $132
99214 Established patient office or other outpatient visit, 30-39 minutes 32 30 $137
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 32 23 $51
49505 Repair of groin hernia (5 years or older) 24 23 $568
99213 Established patient office or other outpatient visit, 20-29 minutes 16 15 $97
45378 Diagnostic exam of large bowel using a flexible endoscope 15 15 $190
99203 New patient office or other outpatient visit, 30-44 minutes 14 14 $122
49592 Initial repair of entrapped hernia of abdomen, less than 3 cm in length 11 11 $435

In context: peer comparison

Among 5 peers in Santa Cruz Surgery Physician, average services per provider: 49. This provider delivers 5.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$698
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Intuitive Surgical, INC. 4 $670.91
Smith+Nephew, INC. 1 $27.55

By nature of payment

Food and Beverage
$424
Travel and Lodging
$265
Gift
$9

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
69
Total drug cost
$712
Drug Type Claims Patients Total cost
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 44 43 $192
Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) Brand 27 26 $520

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Paul Nguyen's medical specialty?
Dr. Paul Nguyen practices Surgery Physician in Santa Cruz, CA.
Where does Dr. Paul Nguyen practice?
Dr. Paul Nguyen practices at 1668 Dominican Way, Santa Cruz, CA 950651522. Office phone: 8314649962.
What is Dr. Paul Nguyen's NPI?
Dr. Paul Nguyen's National Provider Identifier (NPI) is 1184911968, issued by NPPES.
Does Dr. Paul Nguyen accept Medicare assignment?
Yes. Dr. Paul Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Paul Nguyen commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99204); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.