Doctor profile · Federal record

Dr. David Zajanc

Clinical Social Worker · Counselor · Eureka, CA

  • NPI 1780085043
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3015 Hubbard Ln
Eureka, CA 955014802
(707) 273-8833

Credentials & registration

NPPES · NUCC
NPI registered
September 2014 — 12 yrs on file
Profile last updated
May 1, 2022
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
1041C0700X — NUCC code
State licenses (2)
California #89178 · California #ASW66588

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1780085043. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
398
Distinct HCPCS
2
Medicare allowed
$43,430
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 386 19 $108
90791 Psychiatric diagnostic evaluation 12 12 $130

In context: peer comparison

Among 5 peers in Eureka Clinical Social Worker, average services per provider: 325. This provider delivers 1.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. David Zajanc's medical specialty?
Dr. David Zajanc practices Clinical Social Worker in Eureka, CA.
Where does Dr. David Zajanc practice?
Dr. David Zajanc practices at 3015 Hubbard Ln, Eureka, CA 955014802. Office phone: 7072738833.
What is Dr. David Zajanc's NPI?
Dr. David Zajanc's National Provider Identifier (NPI) is 1780085043, issued by NPPES.
Does Dr. David Zajanc accept Medicare assignment?
Yes. Dr. David Zajanc accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. David Zajanc commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.