MARK C HEFFERNAN PH.D.
NPI 1366513178
Psychologist - Clinical in Rancho Mirage, CA
About Mark C Heffernan Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK C HEFFERNAN PH.D. (NPI 1366513178) is an individual clinical provider in Rancho Mirage, California, licensed in California (PSY14471) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1990).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mark C Heffernan Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Mark Heffernan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rancho Mirage, CA 92270
- Reassigned Medicare billing, California enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92270 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RANCHO MIRAGE, CA 92270
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mark Heffernan's NPI number?
The NPI number for Mark Heffernan is 1366513178. It was assigned to this individual provider in the NPPES registry on November 13, 2006.
Where is Mark Heffernan located?
Mark Heffernan practices at 47 Provence Way, Rancho Mirage, CA 92270. The listed phone number is (760) 902-6226.
What is Mark Heffernan's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Mark Heffernan enrolled in Medicare?
Yes. Mark Heffernan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Mark Heffernan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Heffernan reassigns Medicare benefits to Mark C Heffernan Phd A Psychological Corporation (Rancho Mirage, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mark Heffernan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mark Heffernan was last updated on November 22, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mark C Heffernan, PH.D. · NPI 1366513178
Clinical provider in Rancho Mirage, California. Individual provider, active in the CMS NPPES registry since November 13, 2006.
## Identity
- **NPI:** 1366513178 (Entity type: Individual)
- **Enumerated:** November 13, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** PSY14471 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 47 PROVENCE WAY, Rancho Mirage, CA 92270-2727
- **Phone:** (760) 902-6226
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Mark C Heffernan Phd A Psychological Corporation (NPI 1871664698, Rancho Mirage, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1990
## Record status
- **NPPES last updated:** November 22, 2017
- **Other identifiers:** Medicare ID-Type Unspecified 0PL144710 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1366513178) · Data from the CMS NPPES public registry.