Mark David Alter, M.D.
Psychiatry (CMS) · Maywood, IL
At a glance
2160 S 1St Ave, Maywood, IL 60153-3328
NPPES record updated Feb 5, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
2160 S 1St AveMaywood, IL 60153-3328
Additional reported practice locations
216 14Th Ave SwSidney, MT 592703519
Phone: 4064882100 765 E Route 70
Building A
Marlton, NJ 080532341
Phone: 8565524347
Fax: 8567974785 1020 First Colonial Rd
Virginia Beach, VA 234543078
Phone: 7573951850 515 22Nd Ave
Monroe, WI 535661569
Phone: 6083241000 551 W Lancaster Ave Ste 306
Haverford, PA 190411419
Phone: 6108923800 8700 Beverly Blvd
West Hollywood, CA 900481804
Phone: 3104233465
Fax: 3104238397 130 S Bryn Mawr Ave
Bryn Mawr, PA 190103121
Phone: 4843374286 424 Savannah Rd
Lewes, DE 199581462
Phone: 3026453499
Fax: 3026444830
Education & affiliations
- Medical / professional school
- University Of Pittsburgh School Of Medicine
- Graduation year
- 1999
- CMS specialties
- Psychiatry
CMS reports telehealth services for this clinician. Confirm current services and availability with the practice.
Practice groups
- Bayhealth Medical Center, Inc
- Cedars-Sinai Medical Care Foundation
- Cedars-Sinai Medical Center
- Delaware County Professional Services, Inc
- Good Samaritan Regional Health Center
- Sentara Medical Group
- Trinity Health Mid-Atlantic Medical Group
- University Of Maryland Community Medical Group Inc
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
No matching general-payment summary in the imported release. This is not a verified zero and does not rule out other payment types or years.
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Psychiatry (CMS)
- Taxonomy code
- 2084P0804X
- Enumeration date
- Oct 25, 2006
- Record updated
- Feb 5, 2026
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2084P0800X
License reported: MED-PHYS-LIC-48691 MT
2084P0804X · Primary
License reported: 036139217 IL
2084P0800X
License reported: 1745 WI
2084P0800X
License reported: C1-0010413 DE
2084P0800X
License reported: MD434911 PA
2084P0800X
License reported: C161292 CA
2084P0800X
License reported: 25MA08775500 NJ
2084P0800X
License reported: 0101259576 VA
2084P0800X
License reported: 036139217 IL
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
2160 S 1St AveMaywood, IL 60153-3328
- Phone
- (708) 216-9000
Mailing address
765 E ROUTE 70BUILDING A
MARLTON, NJ 080532341
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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