Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mark David Alter, MD

Individual provider Psychiatry Physician · NPI 1730263617

Mark David Alter, MD is a Psychiatry in Maywood, Illinois. Graduated from University of Pittsburgh School of Medicine in 1999, 27 years ago. Practices with Good Samaritan Regional Health Center, a 155-clinician group, works from 9 locations, accepts Medicare assignment and offers telehealth. Licensed in California, Delaware, Illinois and Montana and 4 more.

Years since qualifying
27
Trained at
University of Pittsburgh School of Medicine
Licensed in
CA, DE, IL, MT, NJ, PA
In the registry since
2006
Specialties on file
9
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2160 S 1st Ave
Maywood, IL 60153-3328
Phone: (708) 216-9000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (8)

  • 8700 Beverly Blvd, West Hollywood, CA 90048-1804 — (310) 423-3465
  • 424 Savannah Rd, Lewes, DE 19958-1462 — (302) 645-3499
  • 216 14th Ave Sw, Sidney, MT 59270-3519 — (406) 488-2100
  • 765 E Route 70, Marlton, NJ 08053-2341 — (856) 552-4347
  • 130 S Bryn Mawr Ave, Bryn Mawr, PA 19010-3121 — (484) 337-4286
  • 551 W Lancaster Ave Ste 306, Haverford, PA 19041-1419 — (610) 892-3800
  • 1020 First Colonial Rd, Virginia Beach, VA 23454-3078 — (757) 395-1850
  • 515 22nd Ave, Monroe, WI 53566-1569 — (608) 324-1000

Specialties & licences

Child & Adolescent Psychiatry Physician (primary) Taxonomy 2084P0804X · Licence 036139217 (IL)
Psychiatry Physician Taxonomy 2084P0800X · Licence MED-PHYS-LIC-48691 (MT)
Psychiatry Physician Taxonomy 2084P0800X · Licence 1745 (WI)
Psychiatry Physician Taxonomy 2084P0800X · Licence C1-0010413 (DE)
Psychiatry Physician Taxonomy 2084P0800X · Licence MD434911 (PA)
Psychiatry Physician Taxonomy 2084P0800X · Licence C161292 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 25MA08775500 (NJ)
Psychiatry Physician Taxonomy 2084P0800X · Licence 0101259576 (VA)
Psychiatry Physician Taxonomy 2084P0800X · Licence 036139217 (IL)

Record details

NPI number1730263617
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 25, 2006
Last updated in NPPESFebruary 5, 2026
Certification dateFebruary 5, 2026
Mailing address765 E Route 70, Building A, Marlton, NJ 08053-2341

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPSYCHIATRY
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 1999 (27 years in practice)
Group practice Good Samaritan Regional Health Center — 155 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations11 on file with Medicare

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