Dr. Mark R Northfield
MD | Orthopedic Surgery | 35+ years Exp
Medicare Enrolled 1496 Professional Drive, Suite 601, Petaluma
California, 94954
707-778-1131 707-778-3818
Maps & DirectionsDr. Mark R Northfield is a Petaluma, California based orthopedic surgeon with 35 years of experience in Orthopedic Surgery. He completed his graduation from Warren Alpert Medical School Of Brown University in 1991. He is also affiliated with hospitals like Petaluma Valley Hospital and Santa Rosa Memorial 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 Dr. Mark R Northfield is G77114 for Orthopedic Surgery in California.
Dr. Mark R Northfield is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means including the patients with musculoskeletal problems which include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. Patients with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system are also concerned.
Complete Profile:
Dr. Mark R Northfield 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 - Orthopedic Surgery |
| Credentials: | MD |
| Experience: | 35+ years |
| Medical School Attended: | Warren Alpert Medical School Of Brown University |
| Graduation Year: | 1991 |
| Gender: | Male |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 1496 Professional Drive, Suite 601, Petaluma,
California, 94954 |
| Phone: | 707-778-1131 |
| Fax: | 707-778-3818 |
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: | 3779608997 |
| Enrollment ID: | I20100913000041 |
| NPI Number: | 1861406316 |
| NPI Enumeration Date: | 28 Jul, 2006 |
| NPI Last Update On: | 09 Nov, 2021 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Mark R Northfield are as mentioned below.
| License Number | Specialization | State | Status | |
| G77114 | Orthopedic Surgery | California | Primary | |
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 |
| Petaluma Valley Hospital (050136) | Petaluma, CA | Acute Care Hospital |
| Santa Rosa Memorial Hospital (050174) | Santa rosa, CA | 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 Dr. Mark R Northfield is associated with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Providence Medical Foundation (8921993205) | 1163 |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 1496 Professional Drive, Suite 601
Petaluma, California |
| Zip: | 94954 |
| Phone Number: | 707-778-1131 |
| Fax Number: | 707-778-3818 |
Patients can reach Dr. Mark R Northfield at
1496 Professional Drive, Suite 601, Petaluma, California or can
call to book an appointment on 707-778-1131.
Frequently Asked Questions:
Below are some commonly asked questions about Dr. Mark R Northfield:
Dr. Mark R Northfield is an orthopedic surgeon specializing in Orthopedic Surgery. He is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means including the patients with musculoskeletal problems which include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. Patients with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system are also concerned.
Dr. Mark R Northfield received his medical degree (MD) from Warren Alpert Medical School Of Brown University in 1991.
Dr. Mark R Northfield has approximately 35 years of medical experience.
Yes, Dr. Mark R Northfield accepts Medicare assignment, meaning provider participates in Medicare and accepts Medicare-approved amounts for eligible services.
Dr. Mark R Northfield is affiliated with Petaluma Valley Hospital, Santa Rosa Memorial Hospital where surgeon can provide orthopedic evaluations, surgical procedures, and follow-up care.
Yes, Dr. Mark R Northfield is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
Dr. Mark R Northfield practices at 1496 Professional Drive, Suite 601, Petaluma, California, 94954.
To schedule an appointment with Dr. Mark R Northfield, please contact the office at 707-778-1131.
Comments/ Reviews:
Patients can read all the reviews posted for Dr. Mark R Northfield below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by Dr. Mark R Northfield. It will help others make informed decisions.
** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.