Physician

A Thomas Parsa, M.D.

According to 2025 Medicare claims, A. Parsa, M.D. (NPI: 1477652410) practices family practice in the Anaheim-Santa Ana-Irvine, CA market, with the plurality of this provider's patient population coming from Orange, CA. This provider's primary affiliated billing organization is A THOMAS PARSA MD A PROFESSIONAL CORPORATION (NPI: 1164688610; TIN: 330607300) and primary practice location at 92821-6714. Parsa is affiliated with the CVS Accountable Care Organization, Inc. (ACO ID: D0061), participating under the REACH model.

Parsa's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 243 traditional Medicare patients, billed 1,553 HCPCS/CPT codes, and received $114,384 in Medicare payments. The top billing code was G0439 (Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit). Part D data shows 9,142 prescription claims across 601 beneficiaries totaling $972,016 in drug costs, led by Janumet (Sitagliptin Phos/Metformin Hcl). DME data shows 76 claims. Open Payments data shows 24 records totaling $502. 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 did not follow a clear longitudinal pattern. Concurrently, Part D prescription costs have risen steadily, from $579,004 to $972,016. In contrast, DME billing represents a smaller volume and rose steadily, from $5,930 to $9,736.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	246	2,054	$115,147
2016	237	2,001	$93,868
2017	247	2,081	$110,898
2018	245	1,971	$95,285
2019	248	1,940	$103,321
2020	261	1,799	$119,164
2021	275	2,062	$149,617
2022	272	2,078	$143,315
2023	269	1,746	$134,119
2024	243	1,553	$114,384

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	435	7,568	$579,004
2016	456	8,171	$615,673
2017	478	8,860	$630,741
2018	500	8,801	$666,138
2019	512	9,204	$796,492
2020	532	9,500	$878,790
2021	528	8,799	$973,806
2022	547	8,303	$838,755
2023	577	8,615	$1,021,791
2024	601	9,142	$972,016

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	28	140	$1,719
2016	37	123	$1,931
2017	30	88	$1,000
2018	15	56	$693
2019	17	109	$2,121
2020	11	189	$4,625
2021	N/R	153	$4,310
2022	N/R	107	$3,451
2023	N/R	58	$2,366
2024	N/R	76	$5,680

* / # = 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
G0439	Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit	143	143	$140
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	198	453	$95
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	165	278	$67
G0444	Annual depression screening, 5 to 15 minutes	127	127	$21
36415	Insertion of needle into vein for collection of blood sample	92	124	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Janumet	Sitagliptin Phos/Metformin Hcl	79	6,478	$108,532
Eliquis	Apixaban	94	5,745	$108,118
Januvia	Sitagliptin Phosphate	64	5,389	$96,361
Librax	Chlordiazepoxide/Clidinium Br	11	341	$45,372
Jardiance	Empagliflozin	27	1,950	$37,822

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	N/R	12	$3,229
A7033	Pillow for use on nasal cannula type interface, replacement only, pair	N	N/R	13	$1,053
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	N/R	14	$711
A4604	Tubing with integrated heating element for use with positive airway pressure device	N	N/R	12	$411
A4253	Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips	N	N/R	12	$139

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	24	$502	Amgen 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 A. Thomas Parsa, M.D.?

Tedicare shows public-source Medicare data for A. Thomas Parsa, M.D. (NPI 1477652410), 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 A. Thomas Parsa, M.D. have ACO affiliation data?

A. Thomas Parsa, M.D. is shown with ACO affiliation data for CVS Accountable Care Organization, Inc. (REACH, ACO ID D0061).

What billing organization is linked to A. Thomas Parsa, M.D.?

A. Thomas Parsa, M.D. is linked to A THOMAS PARSA MD A PROFESSIONAL CORPORATION (billing NPI 1164688610) in the available physician profile data.

Does A. Thomas Parsa, M.D. have Open Payments data?

A. Thomas Parsa, M.D. has 24 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.