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

Mark E Wylam, MD

Individual provider Internal Medicine Physician · NPI 1003880865

Mark E Wylam, MD is a Pulmonary Disease in Orange, California. Graduated from Georgetown University School of Medicine in 1984, 42 years ago. Practices with Uc Regents, a 306-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Minnesota.

Years since qualifying
42
Trained at
Georgetown University School of Medicine
Licensed in
CA, MN
In the registry since
2006
Specialties on file
6
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

101 The City Dr S
Orange, CA 92868-3201
Phone: (714) 456-7890
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 200 1st St Sw, Rochester, MN 55905-0001 — (507) 284-2511

Specialties & licences

Critical Care Medicine (Internal Medicine) Physician (primary) Taxonomy 207RC0200X · Licence 197177 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 197177 (CA)
General Practice Physician Taxonomy 208D00000X · Licence 40622 (MN)
Pulmonary Disease Physician Taxonomy 207RP1001X · Licence 197177 (CA)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 40622 (MN)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 40622 (MN)

Record details

NPI number1003880865
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 16, 2006
Last updated in NPPESOctober 27, 2025
Certification dateOctober 27, 2025
Mailing address200 1st St Sw, Rochester, MN 55905-0001

Medicare enrollment

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

Medicare specialtyPULMONARY DISEASE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Uc Regents — 306 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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