Doctor profile · Federal record
Dr. May Charlene Zamora
Family Nurse Practitioner (CMS: Nurse Practitioner) · Ontario, CA
- NPI 1831683234
- Accepts Medicare
- 8 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1520 N Mountain Ave Ste 128
Ontario, CA 917621132
(909) 949-9299
fax (909) 949-9029 - Mailing address
-
77 Quiet Hills RD
Pomona, CA 917664764
Credentials & registration
- NPI registered
- June 2018 — 8 yrs on file
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- California #95009217
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1831683234. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
107
Distinct HCPCS
4
Medicare allowed
$5,389
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99211 |
Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional | 42 | 38 | $20 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 13 | $78 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 24 | 23 | $33 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 16 | 13 | $112 |
In context: peer comparison
Among 7 peers in this city , average services per provider: 524. This provider delivers 0.2× the peer median.Open Payments
Industry payments received
All-time total
$28
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 1 | $28.22 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
330
Patients
62
Total drug cost
$4,056
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 37 | 18 | $458 |
| Lisinopril | Generic | 35 | 17 | $587 |
| Fluoxetine Hcl | Generic | 30 | 0 | $167 |
| Metformin Hcl | Generic | 26 | 15 | $219 |
| Amlodipine Besylate | Generic | 24 | 12 | $286 |
| Buspirone Hcl | Generic | 24 | 0 | $218 |
| Trazodone Hcl | Generic | 24 | 0 | $318 |
| Mirtazapine | Generic | 23 | 0 | $537 |
| Risperidone | Generic | 21 | 0 | $183 |
| Levothyroxine Sodium | Generic | 19 | 0 | $238 |
Frequently asked questions
What is Dr. May Charlene Zamora's medical specialty?
Dr. May Charlene Zamora practices Family Nurse Practitioner in Ontario, CA.
Where does Dr. May Charlene Zamora practice?
Dr. May Charlene Zamora practices at 1520 N Mountain Ave Ste 128, Ontario, CA 917621132. Office phone: 9099499299.
What is Dr. May Charlene Zamora's NPI?
Dr. May Charlene Zamora's National Provider Identifier (NPI) is 1831683234, issued by NPPES.
Does Dr. May Charlene Zamora accept Medicare assignment?
Yes. Dr. May Charlene Zamora accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. May Charlene Zamora commonly perform?
Top Medicare-reported procedures in 2023: Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS 99211); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.