Dr. Mark E Mullendore , MD
Internal Medicine • Springfield, IL
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Mark Mullendore has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Mark Mullendore, MD was a registered Internal Medicine practicing in Springfield, IL. Throughout an active medical career spanning 19 years, Dr. Mullendore provided care at the practice location at 2901 OLD JACKSONVILLE RD until profile deactivation on 2025-09-11.
Historical Medicare Part B clinical services included subsequent hospital care with moderate levelof medical decision making, if using time, at least, follow-up hospital inpatient care per day, hospital discharge day management. Public procedure reimbursement records and service volume details are provided below for historical transparency.
Practice Location & Contact Primary Location
2901 Old Jacksonville Rd
Springfield, IL 627047437
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine in Springfield, IL
Practicing in Springfield, IL (7544 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
83 | 41 | $182.69 | $69.15 |
|
99231
Follow-up hospital inpatient care per day, typically 15 minutes
|
34 | 17 | $134.50 | $36.93 |
|
99238
Hospital discharge day management, 30 minutes or less
|
23 | 23 | $230.43 | $70.46 |
|
99223
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
|
19 | 19 | $521.82 | $193.63 |
|
99239
Hospital discharge day management, more than 30 minutes
|
15 | 15 | $327.50 | $104.14 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 207R00000X
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Internal Medicine
Doctor of Medicine (M.D.)
Pediatrics
Nurse Practitioner
Allergy & Immunology
Doctor of Medicine (M.D.)
Internal Medicine
Doctor of Medicine (M.D.)
Registered Nurse - Continuing Education/Staff Development
Registered Nurse
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on September 11, 2025
NPI status registered as active in NPPES database
Registered at 2901 OLD JACKSONVILLE RD, SPRINGFIELD, IL 627047437 (Tel: 2176989722)
Registered at PO BOX 500, CHATHAM, IL 626290500 (Tel: 2176702424)
Recorded as MARK MULLENDORE, M.D.
Internal Medicine (License #036057331 in IL)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
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NPI Administrative Meta
Mailing Address
Po Box 500
Chatham, IL 626290500
Phone: 2176702424
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