Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Heather E Certain, MD

Individual provider Internal Medicine Physician · NPI 1104961465

Heather E Certain, MD practises Internal Medicine in Madison, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2003, 23 years ago. Practices with Meriter Hospital Inc, a 123-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
23
Trained at
University of Wisconsin School of Medicine
Licensed in
WI
In the registry since
2007
Specialties on file
3
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

202 So Park St Meriter Hospital
Madison, WI 53715 Not confirmed with CMS for 14 years — call before visiting
Phone: (608) 417-6103
Fax: (608) 417-5934
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 49386-20 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 49386 (WI)
Hospitalist Physician Taxonomy 208M00000X · Licence 49386-20 (WI)

Record details

NPI number1104961465
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 21, 2007
Last updated in NPPESJuly 2, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2003 (23 years in practice)
Group practice Meriter Hospital Inc — 123 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients306
Services billed 649 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Meriter Hospital Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 123 clinicians in the practice; 12 are shown here.

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