Active NPI
Christopher Mark John, D.O.
- Diagnostic Radiology Physician
- Orlando, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Diagnostic Radiology Physician
- License
- OS15940
- Practice address
- 52 Underwood St
Orlando, FL 32806-1110 - Phone
- (407) 481-7174
- Fax
- (321) 843-6080
- NPI assigned
- Jul 3, 2007
- Last updated
- Sep 25, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Diagnostic Radiology Physician | 2085R0202X | OS15940 | FL | Primary |
| Diagnostic Radiology Physician | 2085R0202X | 20A20771 | CA | |
| Diagnostic Radiology Physician | 2085R0202X | P0069 | TX |
Addresses
Primary practice location
52 Underwood St
Orlando, FL 32806-1110
Mailing address
52 Underwood St # 153
Orlando, FL 32806-1110
Phone (321) 841-2558
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 127609200 | Medicaid | FL |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in TX, FL, GA, CA, DC, MS, OH, KY, WV
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 9
Care Compare profile
Medicare Care Compare- Specialty
- Diagnostic Radiology
- Education
- Midwestern University, Chicago College of Osteopathic Med, 2006
- Medicare assignment
- May accept Medicare assignment
- Group practices
- Boone Memorial Hospital Inc
Practice addresses (Care Compare)
Lawrenceville, GA 30045
Phone (304) 254-2425
Saint Marys, GA 31558
Phone (606) 439-1331
Riverside, CA 92501
Phone (951) 788-3400
1216 Sumter Landing LN
Evans, GA 30809-5502
Phone (314) 640-7740
1705 Jackson St
Richmond, TX 77469-3246
Phone (479) 452-9416
1805 27TH St
Portsmouth, OH 45662-2640
Phone (740) 356-8681
1900 23Rd St
Cuyahoga Falls, OH 44223-1404
Phone (330) 971-7246
212 Storey Ave
Saint Marys, GA 31558-4196
Phone (270) 651-4263
226 Medical Plaza LN
Whitesburg, KY 41858-7425
Phone (606) 633-4823
2415 Parkwood Dr
Brunswick, GA 31520-4722
Phone (912) 466-4079
299 Glasgow Rd
Burkesville, KY 42717-9696
Phone (270) 864-2511
398 E Altamonte Dr
Altamonte Springs, FL 32701-4402
Phone (407) 331-9355
52 W Underwood St
Orlando, FL 32806-1110
Phone (407) 841-5111
5350 Old Dowlen Rd
Apt 421
Beaumont, TX 77706-6629
Phone (617) 981-3064
701 Madison Ave
Madison, WV 25130-1669
Phone (304) 369-1230
Hospital & facility affiliations
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 20A20771 | CA | MD | Diagnostic Radiology Physician |
| OS15940 | FL | MD | Diagnostic Radiology Physician |
| P0069 | TX | MD | Diagnostic Radiology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Ohri, LLC | Current | Accepting new patients | |
| Angelina Diagnostic Radiology Associates | Diagnostic Radiology | Current | Accepting new patients |
| Sonoran Radiology LTD | Diagnostic Radiology | Current | Accepting new patients |
| Ella E M Brown Charitable Circle | Diagnostic Radiology | Current | Accepting new patients |
| Cumberland County Hospital Association Inc | Diagnostic Radiology | Current | Accepting new patients |
| Radiology Associates of South Carolina LLC | Diagnostic Radiology | Current | Accepting new patients |
| Ohri, LLC | Current | Accepting new patients | |
| West Virginia Radiology Associates PC | Diagnostic Radiology | Current | Accepting new patients |
| Riverside Radiology and Interventional Associates Inc | Diagnostic Radiology | Current | Accepting new patients |
| Mori Bean and Brooks Inc | Diagnostic Radiology | Current | Accepting new patients |
| Health Diagnostics of California a Professional Corporation | Diagnostic Radiology | Current | Accepting new patients |
| Tulsa X-Ray Laboratory PLLC | Diagnostic Radiology | Current | Accepting new patients |
| X-Ray Physicians of Shelbyville PC | Diagnostic Radiology | Current | Accepting new patients |
| Golden State Imaging Associates Inc | Diagnostic Radiology | Current | Accepting new patients |
| Mississippi Hma Hospitalists, LLC | Diagnostic Radiology | Current | Accepting new patients |
| Pennsylvania Radiology Associates PC | Diagnostic Radiology | Current | Accepting new patients |
| KC Tan, M.D. Medical Corporation | Diagnostic Radiology | Current | Accepting new patients |
| Infinity Teleradiology LLC | Diagnostic Radiology | Current | Accepting new patients |
| Orlando Health Medical Group Inc | Current | Accepting new patients | |
| Pacific Imaging Associates LLC | Diagnostic Radiology | Current | Accepting new patients |
| Boone Memorial Hospital, Inc | Current | Accepting new patients | |
| Arh Mary Breckinridge Health Services, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| Dimensions Healthcare Associates, Inc. | Current | Accepting new patients | |
| Gila River Health Care Corporation | Current | Accepting new patients | |
| Ohri, LLC | Diagnostic Radiology | Current | Accepting new patients |
| Gila River Health Care Corporation | Current | Accepting new patients | |
| Boone Memorial Hospital, Inc | Current | Accepting new patients | |
| Dimensions Health Associates Dba University of Maryland Capital Region | Current | Accepting new patients | |
| Gila River Health Care | Current | Accepting new patients | |
| Cumberland County Hospital Association Inc | Current | Accepting new patients | |
| Appalachian Regional Healthcare, Inc | Current | Accepting new patients | |
| T J Samson Community Hospital | Current | Accepting new patients | |
| Simonmed Imaging Florida LLC | Diagnostic Radiology | Current | Accepting new patients |
| Dimensions Healthcare Associates Inc | Diagnostic Radiology | Current | Accepting new patients |
| Gila River Health Care | Current | Accepting new patients | |
| Boone Memorial Hospital, Inc | Current | Accepting new patients | |
| Orlando Health Medical Group Inc | Current | Accepting new patients | |
| WRH Physicians, Inc. | Current | Accepting new patients | |
| Appalachian Regional Healthcare, Inc | Current | Accepting new patients | |
| Frederica Imaging PC | Diagnostic Radiology | Current | Accepting new patients |
| Henry County Memorial Hospital | Current | Accepting new patients | |
| Appalachian Regional Healthcare, Inc | Diagnostic Radiology | Current | Accepting new patients |
| Arh Tug Valley Health Services, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| Radiology Associates of North Carolina PC | Diagnostic Radiology | Current | Accepting new patients |
| Idoc Telehealth Solutions, Inc | Current | Accepting new patients | |
| Henry County Memorial Hospital | Current | Accepting new patients | |
| Shi Specialists LLC | Current | Accepting new patients | |
| Gainesville Radiology Group, PC | Diagnostic Radiology | Current | Accepting new patients |
| Henry County Memorial Hospital | Current | Accepting new patients | |
| Arh Mary Breckinridge Health Services, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| Smi Imaging, LLC | Diagnostic Radiology | Current | Accepting new patients |
| Arh Tug Valley Health Services, Inc. | Diagnostic Radiology | Current | Accepting new patients |
| The Longstreet Clinic PC | Past | Accepting new patients | |
| Major Hospital | Past | Accepting new patients | |
| Community Radiology Associates P a | Diagnostic Radiology | Past | Accepting new patients |
| Merit Radiology PLLC | Diagnostic Radiology | Past | Accepting new patients |
| Imagecare Radiology PLLC | Diagnostic Radiology | Past | Accepting new patients |
| NGMC Barrow LLC | Past | Accepting new patients |
Locations (25 of 43)
17487 S Healthcare Dr
#H
Laveen, AZ 85339
Phone (520) 550-6000
48203 W Farrell Rd
#H
Maricopa, AZ 85139
Phone (520) 568-3881
1201 S Alma School Rd
Ste 14500
Mesa, AZ 85210
Phone (602) 698-7715
1400 S Dobson Rd
Mesa, AZ 85202
Phone (480) 412-3000
20414 N 27th Ave
Ste 150
Phoenix, AZ 85027
Phone (623) 234-2520
3501 N Scottsdale Rd
Ste 130
Scottsdale, AZ 85251
9220 E Mountain View Rd
Ste 100
Scottsdale, AZ 85258
398 E Altamonte Dr
Altamonte Springs, FL 32701
Phone (407) 331-3955
3599 University Blvd S
Ste 300
Jacksonville, FL 32216
Phone (904) 348-3879
2001 Kingsley Ave
Orange Park, FL 32073
Phone (904) 215-7015
32 W Gore St
Orlando, FL 32806
Phone (321) 841-3820
52 Underwood St
Orlando, FL 32806
Phone (321) 841-3581
52 Underwood St
#153
Orlando, FL 32806
Phone (321) 841-2558
14302 Bruce B Downs Blvd
Tampa, FL 33613
Phone (813) 975-1111
1400 River Pl
Braselton, GA 30517
Phone (770) 219-6000
2415 Parkwood Dr
Brunswick, GA 31520
Phone (912) 466-4079
227 Mountain Dr
Dahlonega, GA 30533
Phone (706) 864-6136
725 Jesse Jewell Pkwy SE
Ste 360
Gainesville, GA 30501
Phone (770) 539-9391
743 Spring St NE
Gainesville, GA 30501
Phone (770) 219-5915
2000 Dan Proctor Dr
Saint Marys, GA 31558
Phone (912) 576-6160
1000 Johnson Ferry Rd
Sandy Springs, GA 30342
Phone (404) 851-8737
5605 Glenridge Dr
Ste 325
Sandy Springs, GA 30342
Phone (678) 553-7783
1900 Tebeau St
Waycross, GA 31501
Phone (912) 283-3030
316 N Broad St
Winder, GA 30680
Phone (770) 307-5354
316 N Broad St
Ste 230
Winder, GA 30680
Networks
- Freedom Health HMO Network
Interoperability endpoints
- cjohn1247174@direct.umm.edu
Organizations & group practices 63
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
dba Orlando Health Imaging Centers
- Diagnostic Radiology Physician
- Altamonte Springs, FL
- NPI 1386034346
-
- Internal Medicine Physician
- Orlando, FL
- NPI 1669429577
-
dba ADRA Medical Imaging
- Diagnostic Radiology Physician
- Lufkin, TX
- NPI 1033175302
-
dba ARH Southern West Virginia Clinic
- Family Medicine Physician
- Beckley, WV
- NPI 1477510162
GA
-
dba ARH Our Lady of the Way
- Critical Access Hospital
- Martin, KY
- NPI 1306339460
Diagnostic Radiology, GA
-
dba Highlands ARH Regional Medical Center
- Anatomic Pathology & Clinical Pathology Physician
- Prestonsburg, KY
- NPI 1992367569
Diagnostic Radiology, GA
-
- Critical Access Hospital
- Burkesville, KY
- NPI 1073567608
Diagnostic Radiology
-
- Critical Care Medicine (Internal Medicine) Physician
- Houston, TX
- NPI 1851783534
-
- Diagnostic Radiology Physician
- Columbus, OH
- NPI 1093718496
GA
-
dba Northern Light Radiology Associates
- Diagnostic Radiology Physician
- Charleston, WV
- NPI 1093550915
GA
Hospital & facility affiliations 7
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Orlando, FL
- NPI 1184709057
-
dba Orlando Health South Lake Hospital
- General Acute Care Hospital
- Clermont, FL
- NPI 1336221019
-
dba St. Bernardine Medical Center
- General Acute Care Hospital
- San Bernardino, CA
- NPI 1689769911
-
dba Southeast Georgia Health System - Brunswick Campus
- General Acute Care Hospital
- Brunswick, GA
- NPI 1598784720
-
dba Providence St. Mary Medical Center
- Advanced Practice Midwife
- Apple Valley, CA
- NPI 1043406440
Hospital
-
dba Providence St. Mary Medical Center
- General Acute Care Hospital
- Apple Valley, CA
- NPI 1669456299
-
dba Providence St. Mary Medical Center
- General Acute Care Hospital
- Apple Valley, CA
- NPI 1710109186
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1183420800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1758758400000",
"number": "1669679569",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "52 UNDERWOOD ST # 153",
"city": "ORLANDO",
"state": "FL",
"postal_code": "328061110",
"telephone_number": "321-841-2558",
"fax_number": "407-849-6470"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "52 UNDERWOOD ST",
"city": "ORLANDO",
"state": "FL",
"postal_code": "328061110",
"telephone_number": "407-481-7174",
"fax_number": "321-843-6080"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JOHN",
"first_name": "CHRISTOPHER",
"middle_name": "MARK",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-07-03",
"last_updated": "2025-09-25",
"certification_date": "2025-09-25",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "FL",
"license": "OS15940",
"primary": true
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "CA",
"license": "20A20771",
"primary": false
},
{
"code": "2085R0202X",
"taxonomy_group": "",
"desc": "Radiology, Diagnostic Radiology",
"state": "TX",
"license": "P0069",
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "127609200",
"state": "FL"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Orlando, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 25, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.