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

Douglas Marx, DO

Individual provider Family Medicine Physician · NPI 1326011321

Douglas Marx, DO is a Family Practice in Germantown, Wisconsin. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1997, 29 years ago. Practices with Prohealth Medical Group Inc, a 472-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Wisconsin.

Years since qualifying
29
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
WI
In the registry since
2006
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

W168N11237 Western Ave
Germantown, WI 53022-3239
Phone: (262) 253-5060
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 40581 (WI)

Record details

NPI number1326011321
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 9, 2006
Last updated in NPPESFebruary 3, 2014
Mailing addressW168n11237 Western Ave, Germantown, WI 53022-3239

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1997 (29 years in practice)
Group practice Prohealth Medical Group Inc — 472 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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