Dr. Mark Matiash, MD
- Medicare services, 2024
- 210
- Medicare patients, 2024
- 266
- Hospital affiliations
- 1
- Industry payments
- $164
- Medical group
- 1
- Practice address
- 440 Mamaroneck Ave, Harrison, NY 10528
- Practice phone
- Call (914) 777-8400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Surgery Specialty Center of Westchester
Harrison, New York
Find Dr. Matiash'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 Matiash is an anesthesiologist in Harrison, New York
Dr. Matiash practices at Surgery Specialty Center of Westchester in Harrison, New York.
Dr. Matiash's NPI, 1689661563, was assigned on October 5, 2005. Dr. Matiash graduated from Stony Brook University Health Sciences Center School of Medicine in 1998. Dr. Matiash holds New York license 216183.
- NPI
- 1689661563NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890831028
- NPI enumeration date
- October 5, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (914) 777-8400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Matiash practices at Surgery Specialty Center of Westchester in Harrison, New York
Dr. Matiash's primary practice is Surgery Specialty Center of Westchester, at 440 Mamaroneck Ave, Harrison, NY 10528 in Westchester County. The practice phone is (914) 777-8400.
- Surgery Specialty Center of Westchester440 Mamaroneck Ave, Harrison, NY 10528 · Westchester CountyPhone(914) 777-8400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Mark Matiash is affiliated with 2 sites of care and 1 medical group
Dr. Matiash's primary practice is Surgery Specialty Center of Westchester in Harrison, New York. Dr. Matiash is also affiliated with Montefiore Nyack Hospital. The medical group on file is North Shore-LIJ Anesthesiology, P.C.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Matiash's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Matiash practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Surgery Specialty Center of Westchester | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Mark Matiash is one of 3,858 anesthesiologists in New York
Anesthesiology is Dr. Matiash's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Matiash is licensed in New York.
Specialties and state licenses
- Anesthesiology, New YorkPrimary
Anesthesiologists near Dr. Matiash
Counts of anesthesiologists 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 Matiash billed Medicare for 210 services in 2024
CMS data shows 210 Medicare services from Dr. Matiash across 4 procedure codes in 2024, for 266 Medicare patients. Medicare paid $14,956 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Matiash's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 1992024: 2106%
Dr. Matiash compared with the New York median for anesthesiologists, 2024
- Dr. Matiash
- New York median
- Medicare services
- 210vs 762.8 times
- Medicare patients
- 266vs 1322.0 times
Medians across 3,723 anesthesiologists in New York with Dmand AI profiles that report each measure.
Dr. Matiash's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Matiash?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Matiash and other anesthesiologists in New York.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mark Matiash treated 266 Medicare patients in 2024, average age 76
CMS counts 266 Medicare patients who saw Dr. Matiash in 2024. The largest group is 75 to 84, with 116 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 12% are also on Medicaid. Their average risk score is 1.00, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Matiash's median patient age at 67, with 56% women.
Dr. Matiash's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Matiash's Medicare patients by sex, 2024
- Women16562%
- Men10138%
Chronic conditions among Dr. Matiash's Medicare patients, 2024
- High cholesterol75%
- High blood pressure72%
- Arthritis44%
- Diabetes27%
- Ischemic heart disease24%
- Osteoporosis24%
- Mood disorders21%
- Anxiety20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Matiash's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women56%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Mark Matiash takes part in Medicare
Dr. Matiash accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Mark Matiash received $164 in industry payments from 2016 to 2022
CMS Open Payments shows 4 general payments to Dr. Matiash from 3 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $130.
General payments to Dr. Matiash by program year, 2016 to 2022
Companies that paid Dr. Matiash the most, 2016 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Matiash graduated from Stony Brook University Health Sciences Center School of Medicine
Dr. Matiash graduated from Stony Brook University Health Sciences Center School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Matiash'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Matiash
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 Matiash's NPI number?
Dr. Mark Matiash's NPI number is 1689661563. It was assigned on October 5, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Matiash?
Dr. Mark Matiash is an anesthesiologist in Harrison, New York. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Mark Matiash practice?
Dr. Matiash practices at 440 Mamaroneck Ave, Harrison, NY 10528. Dr. Matiash's primary practice is Surgery Specialty Center of Westchester in Harrison, New York.
What is Dr. Mark Matiash's office phone number?
The practice phone on file for Dr. Matiash is (914) 777-8400.
What is Dr. Mark Matiash's medical license number?
Dr. Matiash holds New York license 216183.
Which hospitals is Dr. Mark Matiash affiliated with?
Dr. Matiash is affiliated with Montefiore Nyack Hospital.
What medical group is Dr. Mark Matiash part of?
Dr. Matiash is linked to North Shore-LIJ Anesthesiology, P.C.
Does Dr. Mark Matiash accept Medicare?
Yes. CMS data shows Dr. Matiash billed Medicare for 210 services in 2024, and Dr. Matiash accepts Medicare assignment.
How many Medicare patients does Dr. Mark Matiash see?
CMS counts 266 Medicare patients who saw Dr. Matiash in 2024, with an average age of 76.
What services does Dr. Mark Matiash bill to Medicare?
In 2024, Dr. Matiash's most billed Medicare services were anesthesia (00142), anesthesia (00140) and anesthesia (00811).
Show 3 more questionsShow fewer questions
Where did Dr. Mark Matiash go to medical school?
Dr. Matiash graduated from Stony Brook University Health Sciences Center School of Medicine in 1998.
Has Dr. Mark Matiash received payments from drug or device companies?
CMS Open Payments shows $164 in general payments to Dr. Matiash from 3 companies from 2016 to 2022. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Mark Matiash been practicing?
Dr. Matiash graduated from medical school in 1998, 28 years ago.
Selling to anesthesiology practices?
See anesthesiologists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card