Physician

Amy Lum Tobin, DO

According to 2025 Medicare claims, Amy Tobin, DO (NPI: 1093743007) practices endocrinology in the Warren-Troy-Farmington Hills, MI market, with the plurality of this provider's patient population coming from Oakland, MI. This provider's primary affiliated billing organization is GRUNBERGER DIABETES MEDICAL CENTER, PC (NPI: 1215154497; TIN: 37-1417837) and primary practice location at 48302-5052. Tobin is affiliated with the Senior Health Connect ACO 9 (ACO ID: A5387) and Complete Care Collaborative of the South (ACO ID: D0335), participating under both the MSSP and REACH models.

Tobin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 145 traditional Medicare patients, billed 1,018 HCPCS/CPT codes, and received $47,152 in Medicare payments. The top billing code was 99214 (Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more). Part D data shows 2,085 prescription claims across 251 beneficiaries totaling $1,460,642 in drug costs, led by Ozempic (Semaglutide). DME data shows 192 claims. Open Payments data shows 144 records totaling $6,112. 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 started with an early spike, then settled into a lower baseline, moving from $205,625 to $47,152. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $45,347 and ending at $76,701.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	666	5,781	$205,625
2016	692	5,837	$202,126
2017	749	4,544	$193,774
2018	567	3,830	$144,625
2019	548	3,446	$130,830
2020	439	1,795	$69,631
2021	90	598	$34,488
2022	121	829	$38,370
2023	140	921	$41,426
2024	145	1,018	$47,152

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	576	4,805	$1,736,176
2016	617	4,785	$1,854,804
2017	624	4,794	$2,056,400
2018	646	4,949	$2,348,781
2019	627	4,944	$2,468,664
2020	605	4,586	$2,295,873
2021	327	1,110	$691,405
2022	207	1,360	$1,099,663
2023	265	1,829	$1,456,960
2024	251	2,085	$1,460,642

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	476	1,204	$70,475
2016	467	1,123	$61,597
2017	432	962	$68,665
2018	363	877	$63,828
2019	318	865	$90,717
2020	258	915	$124,562
2021	134	347	$44,029
2022	62	270	$45,653
2023	64	265	$43,890
2024	49	192	$72,419

* / # = 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
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	129	312	$96
95251	Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report	51	143	$27
83036	Hemoglobin a1c level	87	222	$9
82044	Urine microalbumin (protein) analysis	51	64	$6
82570	Creatinine level to test for kidney function or muscle injury	51	64	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Ozempic	Semaglutide	180	11,832	$373,704
Jardiance	Empagliflozin	197	14,676	$272,818
Mounjaro	Tirzepatide	144	7,444	$261,627
Trulicity	Dulaglutide	87	4,816	$153,160
Farxiga	Dapagliflozin Propanediol	76	5,475	$96,907

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	37	151	$66,230
E0784	External ambulatory infusion pump, insulin	Y	N/R	16	$5,581
A4253	Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips	N	12	25	$608

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	144	$6,112	Abbott Laboratories
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 Amy Lum Tobin, DO?

Tedicare shows public-source Medicare data for Amy Lum Tobin, DO (NPI 1093743007), 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 Amy Lum Tobin, DO have ACO affiliation data?

Amy Lum Tobin, DO is shown with ACO affiliation data for Senior Health Connect ACO 9 (MSSP, ACO ID A5387) and Complete Care Collaborative of the South (REACH, ACO ID D0335).

What billing organization is linked to Amy Lum Tobin, DO?

Amy Lum Tobin, DO is linked to GRUNBERGER DIABETES MEDICAL CENTER, PC (billing NPI 1215154497) in the available physician profile data.

Does Amy Lum Tobin, DO have Open Payments data?

Amy Lum Tobin, DO has 144 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.