Physician

David M. Slack, MD

According to 2025 Medicare claims, David Slack, MD (NPI: 1205895554) practices internal medicine in the Amherst Town-Northampton, MA market, with the plurality of this provider's patient population coming from Hampshire, MA. This provider's primary affiliated billing organization is VALLEY MEDICAL GROUP, P.C. (NPI: 1912924705; TIN: 042945394) and primary practice location at 01027-1046. Slack is affiliated with the Pioneer Valley Accountable Care, LLC (ACO ID: A5040), participating under the MSSP model.

Slack's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 695 traditional Medicare patients, billed 6,339 HCPCS/CPT codes, and received $161,888 in Medicare payments. The top billing code was 80061 (Blood test, lipids (cholesterol and triglycerides)). Part D data shows 5,199 prescription claims across 422 beneficiaries totaling $470,798 in drug costs, led by Trulicity (Dulaglutide). DME data shows 71 claims. No Open Payments records. 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 declined steadily, from $177,343 to $161,888. In contrast, Part D prescription costs have moved from a lower plateau to a higher plateau, from $277,312 to $470,798. For DME billing, this smaller-volume category moved up and down with repeated peaks and valleys, starting at $4,784 and ending at $5,758.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	664	5,164	$177,343
2016	837	6,407	$206,087
2017	954	7,054	$233,872
2018	1,031	8,057	$267,533
2019	1,094	7,767	$262,031
2020	820	6,080	$184,969
2021	723	5,815	$179,440
2022	707	5,348	$166,878
2023	707	5,756	$163,969
2024	695	6,339	$161,888

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	391	4,436	$277,312
2016	454	4,316	$254,102
2017	393	4,628	$241,087
2018	468	5,447	$334,294
2019	467	5,761	$432,927
2020	467	5,424	$421,307
2021	396	4,990	$446,559
2022	432	5,046	$531,173
2023	445	5,057	$524,132
2024	422	5,199	$470,798

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	16	134	$3,803
2016	31	93	$1,924
2017	17	42	$641
2018	16	100	$2,210
2019	29	108	$1,328
2020	24	180	$3,623
2021	13	161	$3,661
2022	11	104	$2,001
2023	N/R	95	$2,421
2024	N/R	71	$2,356

* / # = 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
80061	Blood test, lipids (cholesterol and triglycerides)	357	465	$13
80053	Blood test, comprehensive group of blood chemicals	204	229	$10
36415	Insertion of needle into vein for collection of blood sample	463	969	$9
80048	Blood test, basic group of blood chemicals (calcium, total)	283	454	$8
85025	Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count	207	283	$8

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Trulicity	Dulaglutide	50	2,411	$79,445
Eliquis	Apixaban	68	4,252	$79,211
Xarelto	Rivaroxaban	22	1,890	$33,309
Jardiance	Empagliflozin	18	1,300	$24,945
Oxycontin	Oxycodone Hcl	14	392	$20,123

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
E1390	Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate	Y	N/R	27	$1,812
E0431	Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing	Y	N/R	18	$263
Q0513	Pharmacy dispensing fee for inhalation drug(s); per 30 days	N	N/R	13	$233
J7613	Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg	N	N/R	13	$47

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

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FAQ

What Medicare data is available for David M. Slack, MD?

Tedicare shows public-source Medicare data for David M. Slack, MD (NPI 1205895554), 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 David M. Slack, MD have ACO affiliation data?

David M. Slack, MD is shown with ACO affiliation data for Pioneer Valley Accountable Care, LLC (MSSP, ACO ID A5040).

What billing organization is linked to David M. Slack, MD?

David M. Slack, MD is linked to VALLEY MEDICAL GROUP, P.C. (billing NPI 1912924705) in the available physician profile data.

Does David M. Slack, MD have Open Payments data?

No connected Open Payments records are shown for this physician in the available General Payments, Research Payments, or Ownership / Investment Interests 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.