CHRISTIAN NABIL ATHANASSIOUS M.D.
NPI 1043471279
Orthopaedic Surgery in Santa Rosa, CA

Q: What is Christian Athanassious's NPI number?

The NPI number for Christian Athanassious is 1043471279. It was assigned to this individual provider in the NPPES registry on June 20, 2008.

Q: What is Christian Athanassious's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Active since June 20, 2008PECOS EnrolledAccepts Medicare Assignment

73.79/100

CMS Quality Rating

1405 MONTGOMERY DR, SANTA ROSA, CA 95405(707) 546-1922(707) 546-1897 Get Directions Write a Review

NPPES record last updated: October 15, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Christian Nabil Athanassious M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTIAN NABIL ATHANASSIOUS M.D. (NPI 1043471279) is an individual orthopaedic surgery provider in Santa Rosa, California, licensed in California (A124589) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2008).

NPPES Registry Identity

NPI1043471279

Entity TypeIndividualMale

Primary Taxonomy207X00000X

Provider Legal NameCHRISTIAN NABIL ATHANASSIOUSCredential: M.D.

Location Address1405 MONTGOMERY DRSanta Rosa, CA 95405-4557

Mailing Address1405 Montgomery DrSanta Rosa, CA 95405-4557 · (707) 546-1922 · Fax (707) 546-1897

Phone(707) 546-1922

Fax(707) 546-1897

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateJune 20, 2008

Last NPPES UpdateOctober 15, 2014

✔ NPI 1043471279 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207X00000X

License✔ Licensed in CA · A124589

Definition

An orthopaedic surgeon 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. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems 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. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

1405 MONTGOMERY DR, Santa Rosa, CA 95405

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Other Identifiers 1

Medicare PINCA128272

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christian Nabil Athanassious M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173766755

PECOS Enrollment IDI20130829000470

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 28

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

363 services261 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

348 services224 patients

X-ray of lower and sacral spine, minimum of 4 views 72110

An X-ray of the lower and sacral spine involves capturing images of your lower back and tailbone area. It helps in identifying issues like fractures, arthritis, or other abnormalities. At least four different angles or 'views' are taken to get a comprehensive picture.

273 services264 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

261 services126 patients

Insertion of cage or mesh device to spine bone and disc space during spine fusion 22853

Spine fusion is a procedure to join two or more vertebrae. During this process, a cage or mesh device is inserted into the spine bone and disc space. This helps to stabilize the spine, reduce pain, and improve functionality. The device acts as a bridge for new bone to grow on.

144 services81 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

137 services137 patients

Injection of trigger points, 3 or more muscles 20553

Trigger point injection therapy involves injecting medication into specific areas of your muscles, known as trigger points. These are areas that produce pain and discomfort. If you have three or more muscles affected, each will be treated individually.

109 services59 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

93 services83 patients

X-ray of upper spine, 4-5 views 72050

An X-ray of the upper spine with 4-5 views is a non-invasive imaging test. It uses radiation to capture detailed images of the bones and structures in your neck and upper back. This procedure helps identify issues like fractures, infections, or deformities.

90 services89 patients

Harvest of bone fragment for spine bone graft 20937

A harvest of a bone fragment for a spine bone graft is a procedure where a small piece of bone is taken from another part of your body. This bone is then used to help repair or strengthen areas in your spine that may be damaged or weak.

84 services82 patients

Placement of stabilizing device to front, 2-3 spine bone segments 22845

This procedure involves positioning a stabilizing device on the front of 2-3 segments of your spine. It's designed to provide support and stability to your spine, potentially alleviating discomfort and improving mobility.

84 services82 patients

X-ray of upper spine, 2-3 views 72040

An X-ray of the upper spine, with 2-3 views, is a painless procedure that employs a small amount of radiation to capture images of your neck and upper back. It assists in diagnosing conditions like arthritis, fractures, or spinal deformities.

80 services40 patients

Injection, methylprednisolone acetate, 40 mg J1030

Methylprednisolone acetate is a medication given through an injection. It's a type of corticosteroid, which reduces inflammation and immune responses. It can be used to treat various conditions like arthritis, allergies, and skin diseases. This dose is 40 mg.

71 services22 patients

Fusion of lower spine bone and partial removal of spine bone or disc through back, 1 disc 22630

This procedure involves the fusion of a lower spine bone and the partial removal of a spine bone or disc from the back. It's done to relieve pain or correct a deformity. One disc is involved in this procedure. Recovery time varies based on individual health.

61 services60 patients

Fusion of lower back spine bone and partial removal of spine bone or disc through back, each additional disc 22632

This procedure involves joining together lower back spine bones, and partially removing spine bone or disc from the back. If more discs need to be treated, each additional disc will go through the same process. This is done to alleviate pain and improve spine stability.

38 services35 patients

Fusion of lower spine bone through side with partial removal of disc, 1 bone 22533

This procedure involves merging one bone in the lower spine with another through a side approach. Part of the disc, which acts as a cushion between the bones, is partially removed to help with the fusion. This aims to alleviate back pain and improve spinal stability.

35 services35 patients

Placement of stabilizing device to back, 3-6 spine bone segments 22842

This procedure involves placing a device on your back to stabilize 3-6 spine bone segments. It aids in maintaining spine alignment and reducing pain. The device is secured to the bones, providing support and promoting healing.

35 services34 patients

Fusion of lower spine bone through abdomen with partial removal of disc 22558

This procedure involves merging the bones in your lower spine through an abdominal approach. A portion of the disc, which acts like a cushion between your vertebrae, is partially removed. The goal is to alleviate back pain by limiting movement in the problem area of your spine.

30 services30 patients

New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202

This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.

27 services27 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

26 services26 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, each additional disc 22552

This is a surgical procedure where the upper spine bones are joined together after removing a disc. This helps to relieve pressure on the spinal cord or nerves. If more discs need to be removed, the same process is repeated for each additional disc.

25 services14 patients

Placement of stabilizing device to back of 1 spine bone in neck 22840

This procedure involves positioning a stabilizing device onto a single spinal bone in the neck. The goal is to provide support and prevent movement that could cause discomfort or further injury. It's performed by trained specialists under anesthesia.

25 services25 patients

Fusion of spine bones through front of body with partial removal of disc, each additional disc 22585

This procedure involves merging spine bones via the front of the body. A portion of each additional disc is removed to ease pressure and discomfort. This helps to stabilize the spine and improve mobility.

24 services21 patients

Partial removal of spine bone with release of spinal cord and/or nerves, each additional segment 63048

This procedure involves the partial removal of a bone in your spine to alleviate pressure on your spinal cord or nerves. It may be performed on multiple spine segments depending on your condition. The aim is to improve mobility and reduce pain or discomfort.

23 services16 patients

Partial removal of spine bone with release of lower spinal cord and/or nerves, 1 segment 63047

This procedure involves removing part of a spine bone to alleviate pressure on the lower spinal cord and/or nerves. It targets a single segment of the spine, improving mobility and reducing pain. It's a common treatment for conditions like herniated discs or spinal stenosis.

21 services21 patients

Fusion of upper spine bone with removal of disc and release of spinal cord or nerve, 1 disc 22551

This procedure involves fusing together the bones in the upper spine to stabilize it. A disc is removed to ease pressure on the spinal cord or nerve. This helps reduce pain and improve mobility. This is a common treatment for certain spinal conditions.

18 services18 patients

Fusion of middle or lower spine bone through side with partial removal of disc, each additional bone 22534

This procedure involves fusing the bones in the middle or lower spine through the side. A part of the disc is removed to enable this fusion. If more than one bone needs to be fused, the process is repeated for each additional bone.

16 services14 patients

X-ray of middle spine, 2 views 72070

An X-ray of the middle spine, or thoracic spine, involves capturing two different images of the area. This non-invasive procedure uses small amounts of radiation to visualize the bones and tissues in your back, helping to identify any abnormalities or injuries.

16 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$96.16 typical visit price

range $63.04 – $187.01

Typical copayment $24.04 (range $15.76 – $46.75)

Most-billed visit code 99203

Established Patient

$77.94 typical visit price

range $21.02 – $153.40

Typical copayment $19.48 (range $5.25 – $38.35)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

73.79/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

76.87

Promoting Interoperability

Improvement Activities

Cost

36.93

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143

DME-Other DME · category DE000N

3 suppliers13 claims13 services$50.98 avg. paid by Medicare

Cervical, multiple post collar, occipital/mandibular supports, adjustable L0180

DME-Orthotic Devices · category DF000N

3 suppliers19 claims19 services$368.36 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CAROLYN BARTLETT O.T., C.H.T.

Occupational Therapist (Hand)