Doctor profile · Federal record

Dr. Mark Heffernan, PH.D.

Clinical Psychologist · Rancho Mirage, CA

  • NPI 1366513178
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 36 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
47 Provence Way
Rancho Mirage, CA 922702727
(760) 902-6226
Mailing address
Po Box 2128
Rancho Mirage, CA 922701055

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
November 22, 2017
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
California #PSY14471

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366513178. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,729
Distinct HCPCS
2
Medicare allowed
$195,499
HCPCS Description Services Patients Avg allowed
90834 Psychotherapy, 45 minutes 1,468 188 $102
90791 Psychiatric diagnostic evaluation 261 253 $178

In context: peer comparison

Among 6 peers in Rancho Mirage Clinical Psychologist, average services per provider: 282. This provider delivers 6.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Heffernan's medical specialty?
Dr. Mark Heffernan practices Clinical Psychologist in Rancho Mirage, CA.
Where does Dr. Mark Heffernan practice?
Dr. Mark Heffernan practices at 47 Provence Way, Rancho Mirage, CA 922702727. Office phone: 7609026226.
What is Dr. Mark Heffernan's NPI?
Dr. Mark Heffernan's National Provider Identifier (NPI) is 1366513178, issued by NPPES.
Does Dr. Mark Heffernan accept Medicare assignment?
Yes. Dr. Mark Heffernan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Heffernan commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90834); Psychiatric diagnostic evaluation (HCPCS 90791). Source: CMS Medicare Physician & Other Practitioners file.