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

Dr. Herman Hasselkus, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1053481382

Dr. Herman Hasselkus, MD is an Internal Medicine in Aurora, Colorado. Qualified in 1996, 30 years ago. Practices with Mauricio Waintrub, MD, PC, a 27-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
30
Licensed in
CO
In the registry since
2006
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

1360 S Potomac St
Aurora, CO 80012-4505
Phone: (303) 337-5575
Fax: (303) 745-6264
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence 49496 (CO)

Record details

NPI number1053481382
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 8, 2006
Last updated in NPPESJuly 20, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Mauricio Waintrub, M.D., P.C — 27 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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