Doctor profile · Federal record

Dr. William Zinnanti, MD, PHD

Neurology With Special Qualifications in Child Neurology Physician · Santa Cruz, CA

  • NPI 1497035893
  • 15 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
550 Water St, Suite I-4
Santa Cruz, CA 950604124
(831) 600-7697
fax (800) 459-1389

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
January 26, 2017
Specialty taxonomy
2084N0402X — NUCC code
State license (1)
California #A118089

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1497035893. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
92
Distinct HCPCS
2
Medicare allowed
$18,599
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 73 22 $193
99205 New patient office or other outpatient visit, 60-74 minutes 19 19 $236

In context: peer comparison

Among 1 peers in this city , average services per provider: 46. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$21
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
NEUROPACE, INC. 1 $20.97

By nature of payment

Food and Beverage
$21

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
65
Patients
0
Total drug cost
$2,133
Drug Type Claims Patients Total cost
Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) Brand 24 0 $465
Lorazepam Generic 15 0 $174
Escitalopram Oxalate Generic 14 0 $139
Aripiprazole Generic 12 0 $1,355

Frequently asked questions

Auto-generated from federal data
What is Dr. William Zinnanti's medical specialty?
Dr. William Zinnanti practices Neurology With Special Qualifications in Child Neurology Physician in Santa Cruz, CA.
Where does Dr. William Zinnanti practice?
Dr. William Zinnanti practices at 550 Water St, Santa Cruz, CA 950604124. Office phone: 8316007697.
What is Dr. William Zinnanti's NPI?
Dr. William Zinnanti's National Provider Identifier (NPI) is 1497035893, issued by NPPES.
What procedures does Dr. William Zinnanti commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.