Physician

Christian Nabil Athanassious, M.D.

According to 2025 Medicare claims, Christian Athanassious, M.D. (NPI: 1043471279) practices orthopedic surgery in the Santa Rosa-Petaluma, CA market, with the plurality of this provider's patient population coming from Sonoma, CA. This provider's primary affiliated billing organization is SANTA ROSA ORTHOPAEDIC MEDICAL GROUP, INC. (NPI: 1518907336; TIN: 942345367) and primary practice location at 95403-1436.

Athanassious' data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 520 traditional Medicare patients, billed 13,221 HCPCS/CPT codes, and received $444,168 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 34 prescription claims across 26 beneficiaries totaling $352 in drug costs. DME data shows 68 claims. Open Payments data shows 49 records totaling $27,708. You can download detailed data with all billing codes (2015-2024). For more recent data, please contact us.

Over the past 10 years, this provider's Medicare Part B carrier billing has risen steadily, from $153,933 to $444,168. In contrast, Part D prescription costs have fallen sharply in recent years, from $1,852 to $352. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $10,765 and ending at $9,520.

Part B Carrier Billing Trend

Medicare payment trend, with N of patients and claim lines in the table.

Year	Patients	Clm Lines	Payment
2015	335	1,250	$153,933
2016	357	1,556	$256,594
2017	431	1,777	$264,763
2018	533	2,269	$234,479
2019	732	4,225	$297,120
2020	686	3,239	$344,402
2021	484	2,184	$373,029
2022	616	2,935	$398,630
2023	644	2,722	$402,947
2024	520	13,221	$444,168

Part D Events Trend

Drug cost trend, with N of patients and prescription claims in the table.

Year	Patients	Claims	Drug Cost
2015	64	134	$1,852
2016	103	235	$3,531
2017	109	242	$3,991
2018	109	240	$6,911
2019	100	198	$4,343
2020	94	196	$3,852
2021	112	277	$4,340
2022	123	378	$5,647
2023	69	114	$2,102
2024	26	34	$352

DME Billing Trend

Medicare payment trend, with N of patients and DME claim records in the table.

Year	Patients	Claims	Payment
2015	50	64	$37,449
2016	23	34	$45,218
2017	48	48	$87,458
2018	46	46	$80,676
2019	38	38	$26,161
2020	112	123	$142,190
2021	98	113	$78,069
2022	32	32	$7,662
2023	92	92	$90,945
2024	68	68	$25,579

* / # = suppressed by CMS; 0 = reported zero; N/R = not reported or blank.

Top 5 Part B carrier billing codes in 2024

By total payments.

Code	Description	Patients	Clm Lines	Total Payment
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	137	137	$134
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	261	363	$102
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	224	348	$71
72110	X-ray of lower and sacral spine, minimum of 4 views	264	273	$45
72100	X-ray of lower and sacral spine, 2-3 views	126	261	$35

Top 5 Part D drugs in 2024

By total drug costs.

Part D summary data is connected for 2024, but public drug-level costs are not available, so a Top 5 by total drug costs cannot be shown.

Top 5 DME services in 2024

By Total Medicare Payment Amount.

HCPCS Code	HCPCS Description	Supplier Rental Indicator	Total Supplier Beneficiaries	Total Supplier Claims	Total Medicare Payment Amount
L0650	Lumbar-sacral orthosis, sagittal-coronal control, with rigid anterior and posterior frame/panel(s), posterior extends from sacrococcygeal junction to t-9 vertebra, lateral strength provided by rigid lateral frame/panel(s), produces intracavitary pressure to reduce load on intervertebral discs, includes straps, closures, may include padding, shoulder straps, pendulous abdomen design, prefabricated, off-the-shelf	N	47	47	$24,430
E0143	Walker, folding, wheeled, adjustable or fixed height	N	21	21	$1,149

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	49	$27,708	Globus Medical, Inc.
Research Payments	Reported research-related payment or transfer-of-value amount.	0	$0	N/R
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

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FAQ

What Medicare data is available for Christian Nabil Athanassious, M.D.?

Tedicare shows public-source Medicare data for Christian Nabil Athanassious, M.D. (NPI 1043471279), including provider identity, specialty, market context, Medicare Part B activity, Part D prescribing, DME records, Open Payments where available, billing organization details, and ACO affiliation signals where available. Profile data covers 2015-2024, with current attribution based on 2025 claims where available.

Does Christian Nabil Athanassious, M.D. have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Christian Nabil Athanassious, M.D.?

Christian Nabil Athanassious, M.D. is linked to SANTA ROSA ORTHOPAEDIC MEDICAL GROUP, INC. (billing NPI 1518907336) in the available physician profile data.

Does Christian Nabil Athanassious, M.D. have Open Payments data?

Christian Nabil Athanassious, M.D. has 49 connected Open Payments records in the available 2024 summary data.

Can I download physician-level Medicare data from Tedicare?

Yes. Tedicare provides sample physician export data and paid custom physician data exports for research, planning, outreach, and market analysis. Exports can include physician profile fields, market and specialty context, billing organization details, ACO affiliation signals where available, and Medicare utilization data.