Physician

Krikor B Tatoyan, M.D.

According to 2025 Medicare claims, Krikor Tatoyan, M.D. (NPI: 1598936726) practices internal medicine in the Los Angeles-Long Beach-Glendale, CA market, with the plurality of this provider's patient population coming from Los Angeles, CA. This provider's primary affiliated billing organization is TATOYAN MD APC (NPI: 1013458231) and primary practice location at 91423-2125.

Tatoyan's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 767 traditional Medicare patients, billed 15,226 HCPCS/CPT codes, and received $1,139,902 in Medicare payments. The top billing code was 99215 (Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more). Part D data shows 21,388 prescription claims across 576 beneficiaries totaling $6,644,958 in drug costs, led by Omeprazole-Sodium Bicarbonate (Omeprazole/Sodium Bicarbonate). DME data shows 238 claims. Open Payments data shows 4 records totaling $118. 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 $99,811 to $1,139,902. Similarly, Part D prescription costs have moved sharply higher in recent years, from $412,487 to $6,644,958. In contrast, DME billing represents a smaller volume and moved sharply higher in recent years, from $743 to $21,620.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	298	903	$99,811
2016	126	311	$32,995
2017	181	487	$48,818
2018	111	227	$28,351
2019	221	379	$46,228
2020	392	6,833	$482,844
2021	402	6,818	$519,209
2022	612	10,481	$784,095
2023	1,215	42,319	$1,763,605
2024	767	15,226	$1,139,902

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	222	2,715	$412,487
2016	123	1,288	$151,018
2017	86	798	$89,505
2018	88	721	$184,587
2019	81	683	$407,078
2020	178	5,486	$1,121,381
2021	209	9,361	$3,627,647
2022	371	13,376	$5,054,611
2023	438	18,539	$7,645,263
2024	576	21,388	$6,644,958

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	22	$159
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	22	57	$9,567
2021	55	116	$4,374
2022	87	230	$9,896
2023	102	227	$11,727
2024	145	238	$31,710

* / # = 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
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	339	629	$140
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	534	2,166	$95
92540	Evaluation and testing for balance with recording	327	470	$84
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	360	774	$69
99491	Chronic care management services for two or more chronic conditions, first 30 minutes provided personally by health care professional, per calendar month	422	1,345	$66

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Omeprazole-Sodium Bicarbonate	Omeprazole/Sodium Bicarbonate	1,060	33,405	$1,662,241
Clemastine Fumarate	Clemastine Fumarate	85	2,413	$677,744
Diclofenac Potassium	Diclofenac Potassium	171	5,130	$472,073
Metformin Er Gastric	Metformin Hcl	312	10,150	$408,740
Zileuton Er	Zileuton	113	3,900	$347,173

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
A4239	Supply allowance for non-adjunctive, non-implanted continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service	N	14	40	$15,795
A5512	For diabetics only, multiple density insert, direct formed, molded to foot after external heat source of 230 degrees fahrenheit or higher, total contact with patient's foot, including arch, base layer minimum of 1/4 inch material of shore a 35 durometer or 3/16 inch material of shore a 40 durometer (or higher), prefabricated, each	N	41	41	$6,466
A5500	For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe	N	41	41	$5,426
E2103	Non-adjunctive, non-implanted continuous glucose monitor or receiver	N	14	14	$3,166
A4253	Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips	N	20	56	$796

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	4	$118	Smith+Nephew, 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

Explore More Providers

FAQ

What Medicare data is available for Krikor B. Tatoyan, M.D.?

Tedicare shows public-source Medicare data for Krikor B. Tatoyan, M.D. (NPI 1598936726), 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 Krikor B. Tatoyan, 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 Krikor B. Tatoyan, M.D.?

Krikor B. Tatoyan, M.D. is linked to TATOYAN MD APC (billing NPI 1013458231) in the available physician profile data.

Does Krikor B. Tatoyan, M.D. have Open Payments data?

Krikor B. Tatoyan, M.D. has 4 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.