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

Individual provider Internal Medicine Physician · NPI 1003853987

Simin Beg, MD is an Internal Medicine in Grand Rapids, Michigan. Qualified in 1992, 34 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
34
Licensed in
MI
In the registry since
2006
Specialties on file
2
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

145 Michigan St NE Ste 3410
Grand Rapids, MI 49503-2563
Phone: (616) 391-9945
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospice and Palliative Medicine (Internal Medicine) Physician (primary) Taxonomy 207RH0002X · Licence 4301082149 (MI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 4301082149 (MI)

Record details

NPI number1003853987
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 1, 2006
Last updated in NPPESMarch 5, 2021
Certification dateMarch 5, 2021
Mailing address100 Michigan St Ne, Mc 845, Grand Rapids, MI 49503-2560

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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