John T Antoniades
MD | Adult Reconstructive Orthopaedic Surgery | 31+ years Exp
Medicare Enrolled 3449 Wilkens Ave Ste 300, Baltimore
Maryland, 21229
667-234-9992 667-234-9997
Maps & DirectionsJohn T Antoniades is a Baltimore, Maryland based orthopedic surgeon with 31 years of experience in Adult Reconstructive Orthopaedic Surgery. He completed his graduation from University Of Maryland School Of Medicine in 1994. He is also affiliated with hospitals like Saint Agnes Hospital. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of John T Antoniades is D0058226 for Orthopedic Surgery in Maryland.
John T Antoniades deals with reconstructive procedures such as joint arthroplasty (i.e., hip and knee), osteotomy, arthroscopy, soft-tissue reconstruction, and a variety of other adult reconstructive surgical procedures.
Complete Profile:
John T Antoniades speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | Orthopedic - Adult Reconstructive Orthopaedic Surgery |
| Credentials: | MD |
| Experience: | 31+ years |
| Medical School Attended: | University Of Maryland School Of Medicine |
| Graduation Year: | 1994 |
| Gender: | Male |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 3449 Wilkens Ave Ste 300, Baltimore,
Maryland, 21229 |
| Phone: | 667-234-9992 |
| Fax: | 667-234-9997 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 4486626843 |
| Enrollment ID: | I20040810000292 |
| NPI Number: | 1437187960 |
| NPI Enumeration Date: | 30 Jun, 2006 |
| NPI Last Update On: | 02 May, 2019 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John T Antoniades are as mentioned below.
| License Number | Specialization | State | Status | |
| D0058226 | Orthopedic Surgery | Maryland | Primary | |
| D0058226 | Adult Reconstructive Orthopaedic Surgery | Maryland | Secondary | |
| D0058226 | Sports Medicine | Maryland | Secondary | |
Hospital Affiliation:
Surgeons are affiliated to many hospitals whom they worked with in the past or are presently working with. One surgeon can be affiliated to four to five hospitals at a time.
| Hospital Name (CCN) | State | Hospital Type |
| Saint Agnes Hospital (210011) | Baltimore, MD | Acute Care Hospital |
Group Practice:
Group practices are practice of medicine by a group of physicians who share their premises and other resources. Following list states all the group name
with which John T Antoniades is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| St. Agnes Healthcare, Inc. (9830092733) | 209 |
Other Medical Identifiers:
Other legacy medical identifiers associated with John T Antoniades such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 405613200 | Medicaid | Maryland | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 3449 Wilkens Ave Ste 300,
Baltimore, Maryland |
| Zip: | 21229-5218 |
| Phone Number: | 667-234-9992 |
| Fax Number: | 667-234-9997 |
Patients can reach John T Antoniades at
3449 Wilkens Ave Ste 300, Baltimore, Maryland or can
call to book an appointment on 667-234-9992.
Comments/ Reviews:
Patients can read all the reviews posted for John T Antoniades below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by John T Antoniades. It will help others make informed decisions.
** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.