Dr. Mark S. Schnitzer, MD
- Hospital affiliations
- 1
- State licenses
- 3
- Year NPI issued
- 2006
- Practice address
- 11500 Brookshire Avenue, Downey, CA 90241
- Practice phone
- Call (562) 904-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Schnitzer'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 S. Schnitzer is a neurosurgeon in Downey, California
Dr. Schnitzer practices at PIH Health Downey Hospital in Downey, California, part of PIH Health.
Dr. Schnitzer's NPI, 1740382951, was assigned on September 1, 2006. Dr. Schnitzer graduated from Texas A&M College of Medicine - Bryan in 1987. Dr. Schnitzer holds California license A52917.
- NPI
- 1740382951NPI Registry (opens in a new tab)
- NPI enumeration date
- September 1, 2006
- NPI status
- Active
- Practice phone
- (562) 904-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1987
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Mark S. Schnitzer practices at PIH Health Downey Hospital in Downey, California
Dr. Schnitzer's primary practice is PIH Health Downey Hospital, at 11500 Brookshire Avenue, Downey, CA 90241 in Los Angeles County. The practice phone is (562) 904-5000.
- PIH Health Downey Hospital11500 Brookshire Avenue, Downey, CA 90241 · Los Angeles CountyPhone(562) 904-5000
Source: Dmand AI Affiliation Data
Dr. Mark S. Schnitzer is affiliated with 2 sites of care
Dr. Schnitzer's primary practice is PIH Health Downey Hospital in Downey, California, part of PIH Health. Dmand AI also links Dr. Schnitzer to 1 physician office, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark S. Schnitzer's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Schnitzer practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| PIH Health Downey Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across PIH Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark S. Schnitzer is one of 846 neurosurgeons in California
Neurological surgery is Dr. Schnitzer's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dmand AI has Dr. Schnitzer's licenses on file in 3 states: California, Texas and Hawaii.
Specialties and state licenses
- Neurological surgery, CaliforniaPrimary
- Texas license
- Hawaii license
Neurosurgeons near Dr. Schnitzer
Counts of neurosurgeons 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 S. Schnitzer's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Schnitzer's median patient age at 64, with 63% women.
Dr. Schnitzer's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women63%
- Men38%
Source: Dmand AI Patient Panel Data
Dr. Mark S. Schnitzer graduated from Texas A&M College of Medicine - Bryan
Dr. Schnitzer graduated from Texas A&M College of Medicine - Bryan in 1987.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark S. Schnitzer'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 Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Training, board certification and memberships | Dmand AI Professional Profile 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 S. Schnitzer
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 S. Schnitzer's NPI number?
Dr. Mark S. Schnitzer's NPI number is 1740382951. It was assigned on September 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark S. Schnitzer?
Dr. Mark S. Schnitzer is a neurosurgeon in Downey, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. Mark S. Schnitzer practice?
Dr. Schnitzer practices at 11500 Brookshire Avenue, Downey, CA 90241. Dr. Schnitzer's primary practice is PIH Health Downey Hospital in Downey, California, part of PIH Health. Dmand AI also links Dr. Schnitzer to 1 physician office.
What is Dr. Mark S. Schnitzer's office phone number?
The practice phone on file for Dr. Schnitzer is (562) 904-5000.
What is Dr. Mark S. Schnitzer's medical license number?
Dr. Schnitzer holds California license A52917, one of the licenses on file in 3 states.
Which states has Dr. Mark S. Schnitzer been licensed in?
Dmand AI has state licenses on file for Dr. Schnitzer in California (1994 to 2026), Texas (2020 to 2025) and Hawaii (2010 to 2016).
Which hospitals is Dr. Mark S. Schnitzer affiliated with?
Dr. Schnitzer practices at PIH Health Downey Hospital in Downey, California.
Where did Dr. Mark S. Schnitzer go to medical school?
Dr. Schnitzer graduated from Texas A&M College of Medicine - Bryan in 1987.
How long has Dr. Mark S. Schnitzer been practicing?
Dr. Schnitzer graduated from medical school in 1987, 39 years ago.
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