Practice address
145 Michigan St Ne
Grand Rapids, MI 49503
This is the address of Cancer and Hematology Centers of Western Mi, P.c., Spectrum Health Primary Care PArtners, Spectrum Health Primary Care PArtners, Spectrum Health Primary Care PArtners, Spectrum Health Primary Care PArtners and 5 more groups.
At a glance
- Clinicians registered here
- 62
- Physicians (MD and DO)
- 20
- Specialties
- 15
- Industry payments to them, 2025
- $11,253
Specialties here
- Everyone 62
- Nurse Practitioners 18
- Physician Assistants 14
- Gynecologic Oncology 4
- Surgical Oncology 4
- Genetic Counselors 3
- Medical Oncology 3
- Hematology & Oncology 3
- Clinical Social Workers 3
- Pharmacists 3
- Hospice & Palliative Medicine 2
- ENT (Otolaryngology) 1
- Oncology Registered Nurse 1
- Orthopedic Surgery 1
- General Surgery 1
- Hematology 1
Who practices here
62 clinicians
- Adriane L. Lombardo, MS,CGC Genetic Counselors · Suite 2200
- Alan D. Campbell, MD Medical Oncology · Suite 3100
- Amelia R. Mroch, MS Genetic Counselors
- Amy C. Vander Woude, M.D. Hematology & Oncology · Suite 3100
- Amy E. Amash, M.S., C.G.C. Genetic Counselors · Suite 6100
- Ashlie Evers, PA-C Physician Assistants · Suite 3410
- Barbara K. Ogle, PA-C Physician Assistants · Suite 5500
- Charles R. Harrison, MD Gynecologic Oncology · Ste 6300
- Courtney A. Lane, CNP Nurse Practitioners · Suite 4100
- Daniel C. Lajoie, NP Nurse Practitioners · Suite 3410
- Danielle D. Schmachtenberger, PA Physician Assistants · Suite 3100
- Daryl R. Diebler, NP Nurse Practitioners · Suite 4400
- Elizabeth A. Read, NP Nurse Practitioners · Suite 5500
- Emily S. Parker, N.P. Nurse Practitioners · Suite 3100
- Eric C. Santos, M.D. Hematology & Oncology · Suite 3100
- Gordon O. Downey, M.D. Gynecologic Oncology · Suite 6300
- Gregory S. Mervenne, MD Hospice & Palliative Medicine · Suite 4400
- Gretchen J. Roe, MD Hospice & Palliative Medicine · Suite 3410
- Heather E. Levanduski, LMSW Clinical Social Workers · Suite 3100
- Jaimie L. Coucke, PA Physician Assistants
- James D. Thompson, MD ENT (Otolaryngology)
- Jamie M. Bray, PA-C Physician Assistants · Ste. 3100
- Jennifer M. Charchan, PA Physician Assistants · Suite 4400
- Jill A. Noack, PA C Physician Assistants · Suite 3100
- Judy L. Smith, MD Surgical Oncology · Suite 5500
- Julie L. Maring, P.A. Physician Assistants · Suite 3100
- Kathleen J. Yost, M.D. Medical Oncology · Suite 3100
- Kathleen Willbrandt, NP Nurse Practitioners · Suite 4400
- Kelly A. Conley, NP Nurse Practitioners · Suite 6300
- Kimberly A. Texley-quigg, N.P. Nurse Practitioners
- Kristin D. Brown, CNS Oncology Registered Nurse
- Kristin M. Crawford Clinical Social Workers · Suite 3100
- Leigh M. Seamon, D.O. Gynecologic Oncology · Suite 6300
- Lisa M. Berger, P.A. Physician Assistants · Suite 3100
- Mae Zakhour Gynecologic Oncology
- Maja C. Gibbons, PHARMD Pharmacists
- Marianne K. Melnik, MD Surgical Oncology · Suite 4400
- Mathew Chung, MD Surgical Oncology · Suite 5500
- Matthew R. Steensma, M.D. Orthopedic Surgery · Suite 5500
- Melinda K. Miller, MD General Surgery · Suite 4400
- Melissa L. Gust, AGNP-C Nurse Practitioners
- Murwarid M. Assifi, MD Surgical Oncology · Ste 5500
- Nicole Harpold, NP Nurse Practitioners · Suite 3410
- Nieske L. Zabriskie, P.A. Physician Assistants · Suite 3100
- Patty Oleszkiewicz, PA Physician Assistants · Suite 3100
- Rachel Cardosa, NP Nurse Practitioners · Suite 3410
- Randa Preihs, NP Nurse Practitioners · Suite 5500
- Renee L. Hill, PA-C Physician Assistants · Suite 3100
- Rhonda A. Deyoung, NP Nurse Practitioners · Spectrum Health Hospital
- Ross Schultheiss, PHARM.D. Pharmacists
Hospitals and medical groups at this address
- Cancer and Hematology Centers of Western Mi, P.c. 75 of its clinicians here 110
- Spectrum Health Primary Care PArtners 70 of its clinicians here 2,294
- Spectrum Health Primary Care PArtners 38 of its clinicians here 2,294
- Spectrum Health Primary Care PArtners 20 of its clinicians here 2,294
- Spectrum Health Primary Care PArtners 15 of its clinicians here 2,294
- Spectrum Health Primary Care PArtners 12 of its clinicians here 2,294
- Radiation Oncology Centers PC 6 of its clinicians here 9
- Spectrum Health Primary Care PArtners 4 of its clinicians here 2,294
- Radiation Oncology Centers PC 3 of its clinicians here 9
- Michigan PAthology Specialists PC 1 of its clinicians here 32
From Medicare Care Compare. Numbers on the right are each organization’s clinicians in total.
Industry payments
Drug and device makers reported $11,253 in general payments to 27 clinicians at this address in 2025.
- Tara L. Webb, NP $2,881
- Mae Zakhour $2,585
- Ashlie Evers, PA-C $1,521
- Marianne K. Melnik, MD $1,297
- Eric C. Santos, M.D. $566
- Julie L. Maring, P.A. $399
- Emily S. Parker, N.P. $374
- Danielle D. Schmachtenberger, PA $284
CMS Open Payments (meals, speaking, consulting and similar; not research). A payment is not evidence of wrongdoing.
Industry-funded research
5 clinicians here are named as investigators on industry-funded studies ($3.2M in research payments reported in 2025).
- Leigh M. Seamon, D.O. 4 studies $1.5M
- Eric C. Santos, M.D. 6 studies $1.1M
- Amy C. Vander Woude, M.D. 8 studies $559,952
- Syed Muneer H. Abidi, MD 1 study $37,400
- Kathleen J. Yost, M.D. 4 studies $30,963
Research payments usually go to the hospital or research site, not to the investigator personally.
Organizations registered here
- Spectrum Health Primary Care PArtners General Surgery
- Spectrum Health Hospitals General Surgery
Sources: CMS NPPES NPI Registry (who is registered at this address, as each clinician reported it), Medicare Care Compare (hospitals and groups), CMS Open Payments 2025. Addresses can be out of date; call before visiting.