Doctor profile · Federal record
Dr. Nathan Yen, MD
Family Medicine Physician (CMS: Family Practice) · Riverside, CA
- NPI 1013992338
- Accepts Medicare
- 36 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
6405 Day St
Riverside, CA 925070901
(951) 697-5427
fax (951) 697-5516
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- April 11, 2025
- Year of graduation
- 1990 — 36 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- California #G72909
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013992338. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
431
Distinct HCPCS
8
Medicare allowed
$43,091
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 132 | 76 | $93 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 126 | 70 | $132 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 59 | 59 | $19 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 56 | 56 | $133 | |
G0008 |
Administration of influenza virus vaccine | 18 | 17 | $32 | |
90662 |
Influenza vaccine split virus, preservative free | 14 | 14 | $72 | |
90677 |
Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | 13 | 13 | $283 | |
G0009 |
Administration of pneumococcal vaccine | 13 | 13 | $32 |
In context: peer comparison
Among 37 peers in this city , average services per provider: 65. This provider delivers 6.6× the peer median.Open Payments
Industry payments received
All-time total
$45
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Novo Nordisk Inc | 1 | $23.62 | |
| GlaxoSmithKline, LLC. | 1 | $20.94 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,565
Patients
805
Total drug cost
$43,473
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 469 | 143 | $9,333 |
| Amlodipine Besylate | Generic | 381 | 126 | $4,366 |
| Lisinopril | Generic | 317 | 105 | $4,371 |
| Losartan Potassium | Generic | 219 | 71 | $3,921 |
| Metoprolol Succinate | Generic | 192 | 53 | $5,623 |
| Metformin Hcl | Generic | 172 | 56 | $2,829 |
| Simvastatin | Generic | 121 | 35 | $1,618 |
| Alendronate Sodium | Generic | 118 | 36 | $1,300 |
| Levothyroxine Sodium | Generic | 92 | 28 | $1,971 |
| Hydrochlorothiazide | Generic | 90 | 26 | $821 |
Frequently asked questions
What is Dr. Nathan Yen's medical specialty?
Dr. Nathan Yen practices Family Medicine Physician in Riverside, CA.
Where does Dr. Nathan Yen practice?
Dr. Nathan Yen practices at 6405 Day St, Riverside, CA 925070901. Office phone: 9516975427.
What is Dr. Nathan Yen's NPI?
Dr. Nathan Yen's National Provider Identifier (NPI) is 1013992338, issued by NPPES.
Does Dr. Nathan Yen accept Medicare assignment?
Yes. Dr. Nathan Yen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Yen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual depression screening, 5 to 15 minutes (HCPCS G0444). Source: CMS Medicare Physician & Other Practitioners file.