Doctor profile · Federal record
Dr. Ronald Ngayan, MD
Family Medicine Physician (CMS: Family Practice) · Cerritos, CA
- NPI 1134302847
- Accepts Medicare
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11514 Wimbley CT
Cerritos, CA 907031761
(714) 541-5252
fax (714) 541-1402
Credentials & registration
- NPI registered
- December 2007 — 19 yrs on file
- Profile last updated
- November 29, 2021
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Ohio #57.013772
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1134302847. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$86
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | 1 | $85.87 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,139
Patients
2,346
Total drug cost
$41,449
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 554 | 423 | $7,672 |
| Lisinopril | Generic | 356 | 271 | $4,423 |
| Metformin Hcl | Generic | 276 | 205 | $3,493 |
| Rosuvastatin Calcium | Generic | 251 | 195 | $2,858 |
| Losartan Potassium | Generic | 249 | 172 | $3,237 |
| Amlodipine Besylate | Generic | 235 | 184 | $2,906 |
| Glipizide | Generic | 201 | 144 | $2,483 |
| Levothyroxine Sodium | Generic | 159 | 135 | $3,450 |
| Atenolol | Generic | 146 | 113 | $1,899 |
| Omeprazole | Generic | 145 | 113 | $1,360 |
Frequently asked questions
What is Dr. Ronald Ngayan's medical specialty?
Dr. Ronald Ngayan practices Family Medicine Physician in Cerritos, CA.
Where does Dr. Ronald Ngayan practice?
Dr. Ronald Ngayan practices at 11514 Wimbley CT, Cerritos, CA 907031761. Office phone: 7145415252.
What is Dr. Ronald Ngayan's NPI?
Dr. Ronald Ngayan's National Provider Identifier (NPI) is 1134302847, issued by NPPES.
Does Dr. Ronald Ngayan accept Medicare assignment?
Yes. Dr. Ronald Ngayan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.