Mark C Heffernan PHD a Psychological Corporation
NPI 1871664698 · Clinical Psychologist · Rancho Mirage, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark C Heffernan PHD a Psychological Corporation is a Clinical Psychologist organization in Rancho Mirage, CA (NPI 1871664698).
Provider details
- NPI number
- 1871664698
- Entity type
- Organization
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Mark Heffernan, Owner(760) 328-2286
- License
- PSY14471 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2017-11-22
Frequently asked questions
- What is Mark C Heffernan PHD a Psychological Corporation's NPI number?
- Mark C Heffernan PHD a Psychological Corporation's National Provider Identifier (NPI) is 1871664698, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Mark C Heffernan PHD a Psychological Corporation?
- Mark C Heffernan PHD a Psychological Corporation is classified in the NPPES registry as Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Mark C Heffernan PHD a Psychological Corporation located?
- Mark C Heffernan PHD a Psychological Corporation's practice location on file with NPPES is 47 Provence Way, Rancho Mirage, CA 92270-2727.
- What is Mark C Heffernan PHD a Psychological Corporation's phone number?
- The practice phone number listed in the NPPES registry for Mark C Heffernan PHD a Psychological Corporation is (760) 328-2286.
- Does Mark C Heffernan PHD a Psychological Corporation accept Medicare?
- Mark C Heffernan PHD a Psychological Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Mark C Heffernan PHD a Psychological Corporation?
- The authorized official listed on Mark C Heffernan PHD a Psychological Corporation's NPPES record is Mark Heffernan, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Mark C Heffernan PHD a Psychological Corporation's NPI active?
- Yes — Mark C Heffernan PHD a Psychological Corporation's NPI (1871664698) is active in the NPPES registry as of the last update on 2017-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.