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

Dr. Nicolaas Martin Grobler Jr., MD

Individual provider Internal Medicine Physician · NPI 1720154255

Dr. Nicolaas Martin Grobler Jr., MD is a Pulmonary Disease in Upland, California. Qualified in 2000, 26 years ago. Accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
26
Licensed in
CA
In the registry since
2006
Specialties on file
4
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

350 S Euclid Ave Ste C
Upland, CA 91786-6665
Phone: (909) 591-6575
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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 A89047 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A89047 (CA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence A89047 (CA)
Hospitalist Physician Taxonomy 208M00000X · Licence A89047 (CA)

Record details

NPI number1720154255
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 27, 2006
Last updated in NPPESNovember 16, 2021
Certification dateJuly 27, 2021

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS), INTERNAL MEDICINE
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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