Dr. Mark D. Schafer, MD
- Affiliated sites
- 11
- Medical groups
- 11
- Insurance carriers
- 3
- State licenses
- 2
- Year NPI issued
- 2005
- Practice address
- 2742 Dow Ave, Tustin, CA 92780
- Practice phone
- Call (714) 665-1600
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorialcare Medical Foundation - Tustin (Dow Ave)
Primary care practice · Tustin, California
Find Dr. Schafer's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mark D. Schafer is an internist in Tustin, California
Dr. Schafer practices at Memorialcare Medical Foundation - Tustin (Dow Ave) in Tustin, California.
Dr. Schafer's NPI, 1417948894, was assigned on November 3, 2005. Dr. Schafer graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1989. Dr. Schafer's California license number on file is G69584.
- NPI
- 1417948894NPI Registry (opens in a new tab)
- NPI enumeration date
- November 3, 2005
- NPI status
- Active
- Practice phone
- (714) 665-1600
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark D. Schafer practices at Memorialcare Medical Foundation - Tustin (Dow Ave) in Tustin, California
Dr. Schafer's primary practice is Memorialcare Medical Foundation - Tustin (Dow Ave), at 2742 Dow Ave, Tustin, CA 92780. The practice phone is (714) 665-1600.
- Memorialcare Medical Foundation - Tustin (Dow Ave)2742 Dow Ave, Tustin, CA 92780Phone(714) 665-1600
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark D. Schafer is affiliated with 11 sites of care and 11 medical groups
Dr. Schafer's primary practice is Memorialcare Medical Foundation - Tustin (Dow Ave) in Tustin, California. The medical group on file is MemorialCare Medical Group. Dmand AI also links Dr. Schafer to 10 more group practices and clinics and 10 medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Mark D. Schafer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schafer practices, 11 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorialcare Medical Foundation - Tustin (Dow Ave) | Available with a free account |
| +10 more sites and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark D. Schafer is one of 16,751 internists in California
Internal medicine is Dr. Schafer's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Schafer's licenses on file in 2 states: California and Florida.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
- Florida license
Internists near Dr. Schafer
Counts of internists 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
Dr. Mark D. Schafer's patients have a median age of 60
Across all payers, Dmand AI patient panel data puts Dr. Schafer's median patient age at 60, with 63% women.
Dr. Schafer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women63%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Mark D. Schafer graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Schafer graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1989.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. Mark D. Schafer accepts plans from 3 insurance carriers
Dr. Schafer is in network with 3 carriers, including United Healthcare, Aetna and EMI Health. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- United Healthcare
- Aetna
- EMI Health
Plan types Dr. Schafer accepts, by number of carriers
- HMO2
- PPO2
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Mark D. Schafer's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mark D. Schafer
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mark D. Schafer's NPI number?
Dr. Mark D. Schafer's NPI number is 1417948894. It was assigned on November 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark D. Schafer?
Dr. Mark D. Schafer is an internist in Tustin, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Mark D. Schafer practice?
Dr. Schafer practices at 2742 Dow Ave, Tustin, CA 92780. Dr. Schafer's primary practice is Memorialcare Medical Foundation - Tustin (Dow Ave) in Tustin, California. Dmand AI also links Dr. Schafer to 10 group practices and clinics and 10 medical groups.
What is Dr. Mark D. Schafer's office phone number?
The practice phone on file for Dr. Schafer is (714) 665-1600.
What is Dr. Mark D. Schafer's medical license number?
Dr. Schafer's California license number on file is G69584, one of the licenses on file in 2 states.
Which states has Dr. Mark D. Schafer been licensed in?
Dmand AI has state licenses on file for Dr. Schafer in California (1990 to 2025) and Florida (1999 to 2012).
What medical group is Dr. Mark D. Schafer part of?
Dr. Schafer is linked to MemorialCare Medical Group. Dmand AI links Dr. Schafer to 10 more medical groups.
Where did Dr. Mark D. Schafer go to medical school?
Dr. Schafer graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1989.
How long has Dr. Mark D. Schafer been practicing?
Dr. Schafer graduated from medical school in 1989, 37 years ago.
What insurance does Dr. Mark D. Schafer accept?
Dr. Schafer is in network with 3 carriers, including United Healthcare, Aetna and EMI Health. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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