MARK E WYLAM M.D. NPI 1003880865

NPI Information

  • NPI: 1003880865
  • Provider Name: MARK E WYLAM, M.D.
  • Classification: Internal Medicine - 207RC0200X
  • Specialization: Critical Care Medicine
  • Entity Type: Individual
  • PECOS Registration: Yes
  • Address: 101 THE CITY DR S
    ORANGE, CA
    ZIP 92868
  • Phone: (714) 456-7890

Map and Directions

Get Directions

NPI Details

Mark E Wylam, M.D. is a critical care medicine internal medicine in Orange, CA with 42 years of experience. The provider is an internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists. Mark E Wylam, M.D. NPI is 1003880865. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

Education
Medical School: GEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduation Year:1984

The provider's business location address is:

101 THE CITY DR S
ORANGE, CA
ZIP 92868-201
Phone: (714) 456-7890

The NPI 1003880865 is registered in the Medicare Provider, Enrollment, Chain and Ownership System (PECOS). The provider is legally eligible to order and refer Part B (Clinical Laboratory and Imaging), Durable Medical Equipment, Part A Home Health Agency (HHA), Power Mobility Devices.

The following top HCPCS codes were publicly reported for this provider under the Medicare program for the year 2016. The reported codes are based on the top codes for each available Medicare specialty, excluding evaluation and management codes.

  • Established patient office or other outpatient visit, 20-29 minutes (HCPCS:99213)
  • Follow-up hospital inpatient care per day, typically 25 minutes (HCPCS:99232)
  • Follow-up hospital inpatient care per day, typically 15 minutes (HCPCS:99231)
  • Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional (HCPCS:99211)
  • Established patient office or other outpatient visit, 30-39 minutes (HCPCS:99214)
  • Follow-up hospital inpatient care per day, typically 35 minutes (HCPCS:99233)

The enumeration date for this NPI number is 2/16/2006 and was last updated on 10/27/2025.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207R00000XInternal Medicine197177CALIFORNIANo
2207RC0200XInternal MedicineCritical Care Medicine197177CALIFORNIAYes
3208D00000XGeneral Practice40622MINNESOTANo
4207RP1001XInternal MedicinePulmonary Disease197177CALIFORNIANo
5207RC0000XInternal MedicineCardiovascular Disease40622MINNESOTANo
6207RC0200XInternal MedicineCritical Care Medicine40622MINNESOTANo

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

NPI Synchronization or Removal

All materials and services on this site are provided on an "as is" and "as available" basis without warranty of any kind. The NPI record is maintained by the National Plan & Provider Enumeration System (NPPES) and anyone may request this information and other NPPES health care provider data from HHS under The Freedom of Information Act (FOIA), Title 5 of the United States Code, section 552. To update the NPI records please contact the NPPES.

Previous NPI
Next NPI