Doctor profile · Federal record

Dr. Nathaniel Pack, PSY.D.

Clinical Psychologist · Palo Alto, CA

  • NPI 1437483518
  • Accepts Medicare
  • 20 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
117 S California Ave, Ste. D201
Palo Alto, CA 943065103
(415) 847-6960
fax (650) 600-8682
Mailing address
171 Main St, #565
Los Altos, CA 940222912

Credentials & registration

NPPES · NUCC
NPI registered
September 2009 — 17 yrs on file
Profile last updated
June 10, 2014
Year of graduation
2006 — 20 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
California #PSY22991

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437483518. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
214
Distinct HCPCS
5
Medicare allowed
$19,903
HCPCS Description Services Patients Avg allowed
96137 Administration of psychological or neuropsychological test, each additional 30 minutes 81 17 $50
96131 Evaluation of psychological test, each additional hour 53 19 $100
96130 Evaluation of psychological test, first hour 40 23 $139
96136 Administration of psychological or neuropsychological test, first 30 minutes 21 20 $54
90791 Psychiatric diagnostic evaluation 19 19 $201

In context: peer comparison

Among 7 peers in Palo Alto Clinical Psychologist, average services per provider: 143. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathaniel Pack's medical specialty?
Dr. Nathaniel Pack practices Clinical Psychologist in Palo Alto, CA.
Where does Dr. Nathaniel Pack practice?
Dr. Nathaniel Pack practices at 117 S California Ave, Palo Alto, CA 943065103. Office phone: 4158476960.
What is Dr. Nathaniel Pack's NPI?
Dr. Nathaniel Pack's National Provider Identifier (NPI) is 1437483518, issued by NPPES.
Does Dr. Nathaniel Pack accept Medicare assignment?
Yes. Dr. Nathaniel Pack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathaniel Pack commonly perform?
Top Medicare-reported procedures in 2023: Administration of psychological or neuropsychological test (HCPCS 96137); Evaluation of psychological test, each additional hour (HCPCS 96131); Evaluation of psychological test, first hour (HCPCS 96130). Source: CMS Medicare Physician & Other Practitioners file.