Doctor profile · Federal record

Dr. Johnathan Nguyen

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Sports Medicine (Orthopaedic Surgery) Physician · Student in an Organized Health Care Education/Training Program · Santa Rosa, CA

  • NPI 1689020083
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 6 locations .

NPPES Updated May 11, 2026
Primary practice
3883 Airway Dr Ste 202
Santa Rosa, CA 954031671
(707) 526-3360
fax (707) 573-5406
Additional location
131 Stony Cir Ste 1600
Santa Rosa, CA 954019520
(707) 541-7700
fax (707) 573-5415
Additional location
2455 Summerfield RD
Santa Rosa, CA 954057815
(707) 308-2815
fax (707) 573-5439
Show 3 more locations
Additional location
4700 Hoen Ave
Santa Rosa, CA 954057824
Additional location
6801 Park Ter Ste 400
Los Angeles, CA 900459212
(323) 307-8193
Additional location
14023 Southwest Fwy
Sugar Land, TX 774783550
(281) 325-4100
fax (281) 325-4292
Mailing address
325 Distel Cir
Los Altos, CA 940221408

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
August 23, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
California #A161013 · California #1169412

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689020083. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
804
Distinct HCPCS
8
Medicare allowed
$77,024
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 289 213 $141
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 224 39 $1
99213 Established patient office or other outpatient visit, 20-29 minutes 104 96 $97
20611 Aspiration and/or injection of fluid large joint using ultrasound guidance 71 41 $129
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 57 57 $144
99215 Established patient office or other outpatient visit, 40-54 minutes 37 30 $201
90694 Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage 11 11 $74
G0008 Administration of influenza virus vaccine 11 11 $36

In context: peer comparison

Among 28 peers in this city , average services per provider: 775. This provider delivers 1.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$224
Transactions
5
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $108.32
Novo Nordisk Inc 2 $47.23
Gilead Sciences, Inc. 1 $39.19
Lilly USA, LLC 1 $28.90

By nature of payment

Food and Beverage
$224

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
848
Patients
294
Total drug cost
$17,715
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 148 51 $2,179
Gabapentin Generic 91 34 $2,221
Levothyroxine Sodium Generic 71 23 $1,564
Amlodipine Besylate Generic 64 27 $666
Lisinopril Generic 64 21 $938
Metoprolol Succinate Generic 51 17 $1,294
Tamsulosin Hcl Generic 51 23 $2,368
Omeprazole Generic 49 19 $815
Zolpidem Tartrate Generic 47 11 $427
Trazodone Hcl Generic 43 19 $986

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnathan Nguyen's medical specialty?
Dr. Johnathan Nguyen practices Family Medicine Physician in Santa Rosa, CA.
Where does Dr. Johnathan Nguyen practice?
Dr. Johnathan Nguyen practices at 3883 Airway Dr Ste 202, Santa Rosa, CA 954031671. Office phone: 7075263360.
What is Dr. Johnathan Nguyen's NPI?
Dr. Johnathan Nguyen's National Provider Identifier (NPI) is 1689020083, issued by NPPES.
Does Dr. Johnathan Nguyen accept Medicare assignment?
Yes. Dr. Johnathan Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnathan Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Injection, triamcinolone acetonide, not otherwise specified, 10 mg (HCPCS J3301); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.