Doctor profile · Federal record

Dr. Deirdre Mazzetto, NP, AGACNP-BC

Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Merced, CA

  • NPI 1023580446
  • Accepts Medicare
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
220 E 13Th St
Merced, CA 953416250
(209) 723-2122
Additional location
2800 L St Fl 6
Sacramento, CA 958165616
(916) 887-4040
fax (916) 887-4045

Credentials & registration

NPPES · NUCC
NPI registered
December 2018 — 8 yrs on file
Profile last updated
February 8, 2021
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363LA2100X — NUCC code
State license (1)
California #95010718

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023580446. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
28
Distinct HCPCS
2
Medicare allowed
$171
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 15 13 $10
81003 Automated urinalysis test 13 12 $2

In context: peer comparison

Among 1 peers in Merced Acute Care Nurse Practitioner, average services per provider: 14. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$48
Transactions
2
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $48.39

By nature of payment

Food and Beverage
$48

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
460
Patients
119
Total drug cost
$8,508
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 64 30 $1,965
Lisinopril Generic 47 18 $642
Losartan Potassium Generic 42 17 $573
Levothyroxine Sodium Generic 40 15 $833
Metoprolol Succinate Generic 40 15 $743
Omeprazole Generic 36 12 $645
Hydrochlorothiazide Generic 35 12 $113
Amlodipine Besylate Generic 26 0 $522
Metformin Hcl Generic 23 0 $284
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 0 $294

Frequently asked questions

Auto-generated from federal data
What is Dr. Deirdre Mazzetto's medical specialty?
Dr. Deirdre Mazzetto practices Acute Care Nurse Practitioner in Merced, CA.
Where does Dr. Deirdre Mazzetto practice?
Dr. Deirdre Mazzetto practices at 220 E 13Th St, Merced, CA 953416250. Office phone: 2097232122.
What is Dr. Deirdre Mazzetto's NPI?
Dr. Deirdre Mazzetto's National Provider Identifier (NPI) is 1023580446, issued by NPPES.
Does Dr. Deirdre Mazzetto accept Medicare assignment?
Yes. Dr. Deirdre Mazzetto accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Deirdre Mazzetto commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036); Automated urinalysis test (HCPCS 81003). Source: CMS Medicare Physician & Other Practitioners file.