Mark C. Heffernan, PhD

  • Rancho Mirage, CA
  • Clinical psychologist
NPI1366513178PAC ID4183653223
Medicare patients, 2024
318
MIPS score, 2024
75
Affiliated sites
1
State license
1
Year NPI issued
2006
Practice address
47 Provence Way, Rancho Mirage, CA 92270-2727
Practice phone
Call (760) 328-2286
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Mark C Heffernan Phd A Psychological Corporation

Physician office · Rancho Mirage, California

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Mark C. Heffernan is a clinical psychologist in Rancho Mirage, California

Mark Heffernan practices at Mark C Heffernan Phd A Psychological Corporation in Rancho Mirage, California.

Mark Heffernan's NPI, 1366513178, was assigned on November 13, 2006. Mark Heffernan holds California license PSY14471.

NPI and contact details
Medicare PAC ID
4183653223
NPI enumeration date
November 13, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(760) 328-2286
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
62
Medical school graduation
1990

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Mark C. Heffernan practices at Mark C Heffernan Phd A Psychological Corporation in Rancho Mirage, California

Mark Heffernan's primary practice is Mark C Heffernan Phd A Psychological Corporation, at 47 Provence Way, Rancho Mirage, CA 92270-2727. The practice phone is (760) 328-2286.

  • Mark C Heffernan Phd A Psychological Corporation
    47 Provence Way, Rancho Mirage, CA 92270-2727Phone(760) 328-2286

Source: Dmand AI Affiliation Data

Mark C. Heffernan is affiliated with 1 site of care

Mark Heffernan's primary practice is Mark C Heffernan Phd A Psychological Corporation in Rancho Mirage, California.

Mark C Heffernan Phd A Psychological CorporationPhysician office · Rancho Mirage, CaliforniaPrimary

Source: Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Mark C. Heffernan's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Mark Heffernan practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mark C Heffernan Phd A Psychological CorporationAvailable with a free account

Source: Dmand AI Technology Install Data

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Mark C. Heffernan is one of 3,615 clinical psychologists in California

Clinical is Mark Heffernan's primary specialty in the NPI Registry, under taxonomy code 103TC0700X. Mark Heffernan is licensed in California.

Specialties and state licenses

  • Clinical psychologist, CaliforniaPrimaryLicense PSY14471 · taxonomy 103TC0700X

Clinical psychologists near Mark Heffernan

Counts of clinical psychologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Mark C. Heffernan treated 318 Medicare patients in 2024, average age 81

CMS counts 318 Medicare patients who saw Mark Heffernan in 2024. The largest group is 75 to 84, with 126 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 24% are also on Medicaid. Their average risk score is 2.38, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Mark Heffernan's median patient age at 81, with 55% women.

Medicare patients, 2024318
Average age81
Average risk score2.38
Also on Medicaid24%

Mark Heffernan's Medicare patients by age, 2024

Mark Heffernan's Medicare patients by sex, 2024

  • Women16251%
  • Men15649%

Chronic conditions among Mark Heffernan's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Mood disorders72%
  4. Depression71%
  5. Arthritis66%
  6. Anxiety58%
  7. Chronic kidney disease52%
  8. Atrial fibrillation46%

Share of Medicare patients with each condition. A patient can have several.

Mark Heffernan's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 81

Patient panel by sex, all payers

  • Women55%
  • Men45%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Mark C. Heffernan scored 75 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 75 out of 100 for Mark Heffernan for performance year 2024, reported individually. Mark Heffernan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes
MIPS final score, 2024
75 of 100

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

Sources for Mark C. Heffernan's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Mark C. Heffernan

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Mark C. Heffernan's NPI number?

Mark C. Heffernan's NPI number is 1366513178. It was assigned on November 13, 2006, and it is active in the NPI Registry.

What does Mark C. Heffernan specialize in?

Mark C. Heffernan is a clinical psychologist in Rancho Mirage, California. The primary specialty in the NPI Registry is Clinical Psychologist (taxonomy code 103TC0700X).

Where does Mark C. Heffernan practice?

Mark Heffernan practices at 47 Provence Way, Rancho Mirage, CA 92270-2727. Mark Heffernan's primary practice is Mark C Heffernan Phd A Psychological Corporation in Rancho Mirage, California.

What is Mark C. Heffernan's office phone number?

The practice phone on file for Mark Heffernan is (760) 328-2286.

What is Mark C. Heffernan's medical license number?

Mark Heffernan holds California license PSY14471.

Does Mark C. Heffernan accept Medicare?

Yes. CMS lists Mark Heffernan as accepting Medicare assignment.

What is Mark C. Heffernan's MIPS score?

Mark Heffernan's MIPS final score for performance year 2024 is 75 out of 100, reported individually.

How many Medicare patients does Mark C. Heffernan see?

CMS counts 318 Medicare patients who saw Mark Heffernan in 2024, with an average age of 81.

How long has Mark C. Heffernan been practicing?

Mark Heffernan graduated from medical school in 1990, 36 years ago.

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