Physician

Subhransu Kumar Ray, M.D., PH.D.

According to 2025 Medicare claims, Subhransu Ray, M.D., PH.D. (NPI: 1578597878) practices ophthalmology in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Contra Costa, CA. This provider's primary affiliated billing organization is BAY AREA RETINA ASSOCIATES (NPI: 1174557805; TIN: 94-3064464) and primary practice location at 94598-5915.

Ray's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 1,133 traditional Medicare patients, billed 25,146 HCPCS/CPT codes, and received $2,656,386 in Medicare payments. The top billing code was 67028 (Injection of drug into eye). Part D data shows 257 prescription claims across 98 beneficiaries totaling $42,490 in drug costs, led by Prednisolone Acetate (Prednisolone Acetate). Open Payments data shows 32 records totaling $3,431. 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 $1,384,967 to $2,656,386. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $61,541 and ending at $42,490. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	704	7,055	$1,384,967
2016	785	7,737	$1,688,836
2017	821	7,458	$1,697,434
2018	809	8,395	$1,852,609
2019	935	8,993	$1,975,600
2020	766	7,179	$1,703,039
2021	834	8,011	$2,020,885
2022	950	9,182	$2,097,899
2023	1,049	16,780	$2,349,749
2024	1,133	25,146	$2,656,386

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	85	233	$61,541
2016	82	228	$87,557
2017	101	221	$119,941
2018	99	277	$177,657
2019	113	339	$169,424
2020	102	289	$120,622
2021	116	334	$185,928
2022	119	315	$124,132
2023	122	319	$107,865
2024	98	257	$42,490

DME Billing Trend

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

No connected DME records

* / # = 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
67028	Injection of drug into eye	377	1,312	$115
92014	Established patient complete exam of visual system	660	865	$105
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	310	603	$81
92134	Imaging of retina	684	1,489	$36
92250	Photography of the retina	806	1,345	$34

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Prednisolone Acetate	Prednisolone Acetate	82	3,877	$3,893
Brimonidine Tartrate-Timolol	Brimonidine Tartrate/Timolol	16	1,059	$2,606
Loteprednol Etabonate	Loteprednol Etabonate	12	846	$2,588
Moxifloxacin	Moxifloxacin Hcl	60	982	$1,194
Ketorolac Tromethamine	Ketorolac Tromethamine	21	1,422	$740

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	32	$3,431	INTUITIVE SURGICAL, 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 Subhransu Kumar Ray, M.D., PH.D.?

Tedicare shows public-source Medicare data for Subhransu Kumar Ray, M.D., PH.D. (NPI 1578597878), 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 Subhransu Kumar Ray, M.D., PH.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 Subhransu Kumar Ray, M.D., PH.D.?

Subhransu Kumar Ray, M.D., PH.D. is linked to BAY AREA RETINA ASSOCIATES (billing NPI 1174557805) in the available physician profile data.

Does Subhransu Kumar Ray, M.D., PH.D. have Open Payments data?

Subhransu Kumar Ray, M.D., PH.D. has 32 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.