Dr. Mark A Johnson , MD
Specialist • Atlantic, IA
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 Johnson has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Mark Johnson, MD was a registered Specialist practicing in Atlantic, IA. Throughout an active medical career spanning 15 years, Dr. Johnson provided care at the practice location at 1501 E 10TH ST until profile deactivation on 2021-07-20.
Historical Medicare Part B clinical services included 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
1501 E 10th St
Atlantic, IA 500221936
Specialty Benchmarks & Practice Insights
Comparative analytics for Specialist in Atlantic, IA
Practicing in Atlantic, IA (135 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 |
|---|---|---|---|---|
|
99231
Follow-up hospital inpatient care per day, typically 15 minutes
|
21 | 16 | $100.00 | $38.20 |
|
99238
Hospital discharge day management, 30 minutes or less
|
15 | 15 | $236.00 | $70.96 |
Medical Specialties & State Licenses
NUCC Taxonomy Code: 174400000X
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Obstetrics & Gynecology
Doctor of Osteopathic Medicine (D.O.)
Obstetrics & Gynecology
Doctor of Medicine (M.D.)
Nurse Practitioner - Family
Advanced Registered Nurse Practitioner
Nurse Practitioner - Family
Doctor of Nursing Practice, Advanced Registered Nurse Practitioner
Family Medicine
Doctor of Medicine (M.D.)
Physician Assistant - Medical
Physician Assistant (Certified)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on July 20, 2021
NPI status registered as active in NPPES database
Registered at 1501 E 10TH ST, ATLANTIC, IA 500221936 (Tel: 7122432850)
Registered at 1501 E 10TH ST, ATLANTIC, IA 500221936 (Tel: 7122432850)
Recorded as MARK JOHNSON, M.D.
Specialist (License #24936 in IA)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Dr. Mark Johnson
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
1501 E 10th St
Atlantic, IA 500221936
Phone: 7122432850
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.