Dr. Mark Loren Keldahl , MD
Surgery - Vascular Surgery • Chicago, IL
Professional Overview & Biography Verified Profile Summary
Dr. Mark Keldahl, MD is a certified Surgery - Vascular Surgery practicing in Chicago, IL. With approximately 22 years of clinical experience since graduating from Rush Medical College Of Rush University in 2004, Dr. Keldahl delivers high-quality medical care to the local community at 3000 N. HALSTED ST..
Dr. Keldahl is affiliated with Advocate Health And Hospitals Corporation and accepts Medicare assignment . Telehealth and virtual consultation options are available for eligible patients.
Frequently performed procedures and clinical services include established patient outpatient office visit, subsequent hospital care with moderate levelof medical decision making, if using time, at least, new patient outpatient office visit. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
3000 N. Halsted St.
Suite 703
Chicago, IL 60657
Medicare Profile & Education
Rush Medical College Of Rush University
2004
✓ Accepts Assignment
Telehealth Services Available
Specialty Benchmarks & Practice Insights
Comparative analytics for Surgery - Vascular Surgery in Chicago, IL
Practicing in Chicago, IL (207 Statewide)
✓ Offers Virtual Consultations
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
346 | 63 | $198.00 | $67.36 |
|
99213
Established patient office or other outpatient visit, typically 15 minutes
|
157 | 118 | $198.00 | $93.62 |
|
99232
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
|
131 | 53 | $177.00 | $80.06 |
|
99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
|
74 | 74 | $249.00 | $116.33 |
|
15271
Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less
|
62 | 12 | $562.00 | $89.99 |
|
99221
Initial hospital inpatient care per day, typically 30 minutes
|
41 | 35 | $247.34 | $82.97 |
|
99203
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more
|
31 | 31 | $249.00 | $85.87 |
|
99214
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more
|
29 | 25 | $279.00 | $131.38 |
|
99222
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes
|
24 | 23 | $315.00 | $135.85 |
|
99204
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more
|
20 | 20 | $370.00 | $174.24 |
|
11042
Removal of skin and tissue, 20.0 sq cm or less
|
20 | 12 | $310.00 | $59.75 |
Medical Specialties & State Licenses
CMS Verified: 2026-06-25NUCC Taxonomy Code: 2086S0129X
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
NUCC Taxonomy Code: 2086S0129X
A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Hospital & Practice Group Affiliations
Advocate Health And Hospitals Corporation
1775 Dempster St, Park Ridge, IL 600681143
Advocate Health And Hospitals Corporation
3815 Highland Ave, Downers Grove, IL 605151500
Advocate Health And Hospitals Corporation
3000 N Halsted St, Chicago, IL 606576185
Phone: 7732967150
Advocate Health And Hospitals Corporation
214 Mchenry Rd, Buffalo Grove, IL 600896748
Phone: 8474591160
Advocate Health And Hospitals Corporation
836 W Wellington Ave, Chicago, IL 606575147
Advocate Health And Hospitals Corporation
836 W Wellington, Chicago, IL 606575147
Phone: 7732967147
Secondary Practice Locations
1325 Eastmoreland Ave Ste 365
Memphis, TN 381047542
Phone: 9012726018
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physician Assistant
Physician Assistant (Certified)
Surgery
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Surgery - Vascular Surgery
Doctor of Medicine (M.D.)
Surgery - Surgical Oncology
Doctor of Medicine (M.D.)
Surgery
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 29373 NETWORK PL, CHICAGO, IL 606731293 (Tel: 8473905900)
Surgery (License #59517 in TN)
Surgery (License #036117220 in IL)
NPI status registered as active in NPPES database
Registered at 3000 N. HALSTED ST., SUITE 703, CHICAGO, IL 60657 (Tel: 7732963390)
Registered at 3000 N. HALSTED ST., SUITE 703, CHICAGO, IL 60657 (Tel: 7732963390)
Recorded as MARK KELDAHL, MD
Surgery (License #036-117220 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
29373 Network Pl
Chicago, IL 606731293
Phone: 8473905900
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