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

Dr. Jennifer Doublestein Sandy, DO

Individual provider Internal Medicine Physician · NPI 1023080447

Dr. Jennifer Doublestein Sandy, DO is an Internal Medicine in Grand Haven, Michigan. Graduated from Michigan State University College of Osteopathic Medicine in 2002, 24 years ago. Practices with Mercy Physician Network, a 110-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Michigan and Virginia.

Years since qualifying
24
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI, VA
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1445 Sheldon Rd Ste 201
Grand Haven, MI 49417-2479
Phone: (616) 847-5489
Fax: (616) 847-5479
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1310 Wisconsin St, Grand Haven, MI 49417-2472 — (616) 844-4701
  • 1500 E Sherman Blvd Ste 1100, Muskegon, MI 49444-1849 — (231) 672-7800

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 5101015469 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0102201734 (VA)

Record details

NPI number1023080447
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 2, 2006
Last updated in NPPESMay 15, 2025
Certification dateMay 15, 2025
Mailing address1445 Sheldon Rd Ste 201, Grand Haven, MI 49417-2479

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2002 (24 years in practice)
Group practice Mercy Physician Network — 110 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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