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

John B Llewelyn, MD

Individual provider Specialist · NPI 1942209424

John B Llewelyn, MD is an Obstetrics/Gynecology in Saginaw, Michigan. Graduated from University of Iowa, Rj & L Carver College of Medicine in 1989, 37 years ago. Practices with Genesis Health System, a 220-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
37
Trained at
University of Iowa, Rj & L Carver College of Medicine
Licensed in
MI
In the registry since
2005
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

926 N Michigan Ave
Saginaw, MI 48602-4323
Phone: (989) 753-8453
Fax: (989) 753-3519
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 315 E Warwick Dr Ste D, Alma, MI 48801-1083 — (989) 466-5486
  • 1501 W Chisholm St, Alpena, MI 49707-1401 — (989) 356-5228
  • 2431 S M 30 Ste 200, West Branch, MI 48661-9367 — (989) 343-3762

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 4301060216 (MI)
Specialist Taxonomy 174400000X · Licence JL060216 (MI)

Record details

NPI number1942209424
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2005
Last updated in NPPESMay 28, 2025
Certification dateMay 28, 2025
Mailing address926 N Michigan Ave, Saginaw, MI 48602-4323

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Graduated 1989 (37 years in practice)
Group practice Genesis Health System — 220 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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