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

Dr. Hazen Henry Tuck Jr., MD

Individual provider Internal Medicine Physician · NPI 1124225487

Dr. Hazen Henry Tuck Jr., MD is a Pulmonary Disease in Janesville, Wisconsin. Qualified in 2006, 20 years ago. Practices with Mercy Health System Corporation, a 751-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
20
Licensed in
WI
In the registry since
2007
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

903 Mineral Point Ave Lung Clinic
Janesville, WI 53548-2970
Phone: (608) 752-6255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 54652-20 (WI)
Internal Medicine Physician Taxonomy 207R00000X · Licence 54652-20 (WI)

Record details

NPI number1124225487
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESJuly 16, 2013

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesSLEEP MEDICINE
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Mercy Health System Corporation — 751 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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