Physician

Stuart Ross Chipkin, M.D.

According to 2025 Medicare claims, Stuart Chipkin, M.D. (NPI: 1699775585) practices endocrinology 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 01002-2751. Chipkin is affiliated with the UMASS Memorial Accountable Care Organization, INC. (ACO ID: A2598), Pioneer Valley Accountable Care, LLC (ACO ID: A5040), and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Chipkin's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 535 traditional Medicare patients, billed 5,680 HCPCS/CPT codes, and received $140,844 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 3,268 prescription claims across 414 beneficiaries totaling $2,081,243 in drug costs, led by Trulicity (Dulaglutide). DME data shows 683 claims. Open Payments data shows 2 records totaling $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 has changed little. Concurrently, Part D prescription costs have risen steadily, from $202,926 to $2,081,243. For DME billing, reported payments moved sharply higher in recent years, from $2,939 to $167,905.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	505	3,364	$97,761
2016	568	3,284	$113,436
2017	602	4,090	$133,135
2018	680	4,666	$152,397
2019	680	4,318	$125,838
2020	639	4,631	$127,160
2021	663	5,428	$152,099
2022	696	5,738	$158,538
2023	545	5,342	$140,425
2024	535	5,680	$140,844

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	106	789	$202,926
2016	136	1,053	$312,173
2017	189	1,277	$576,154
2018	252	1,925	$1,018,462
2019	379	2,462	$1,344,542
2020	385	2,842	$1,702,682
2021	416	2,818	$1,809,016
2022	404	2,935	$1,898,099
2023	412	2,998	$2,075,271
2024	414	3,268	$2,081,243

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	59	168	$5,573
2016	72	188	$5,443
2017	55	124	$4,085
2018	80	221	$12,282
2019	85	267	$17,371
2020	123	419	$40,703
2021	112	565	$73,558
2022	116	616	$89,592
2023	110	694	$115,040
2024	118	683	$165,894

* / # = 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	289	380	$87
82306	Vitamin d-3 level	192	339	$29
84443	Blood test, thyroid stimulating hormone (tsh)	153	320	$16
G2211	Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's	264	327	$12
36415	Insertion of needle into vein for collection of blood sample	296	651	$9

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Trulicity	Dulaglutide	169	7,775	$259,068
Prolia	Denosumab	111	19,890	$190,331
Ozempic	Semaglutide	105	5,504	$177,900
Forteo	Teriparatide	34	1,032	$152,942
Jardiance	Empagliflozin	127	7,048	$132,716

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	72	457	$140,269
E0784	External ambulatory infusion pump, insulin	Y	N/R	33	$11,180
A4224	Supplies for maintenance of insulin infusion catheter, per week	N	N/R	28	$7,177
E2103	Non-adjunctive, non-implanted continuous glucose monitor or receiver	N	14	14	$2,826
A4225	Supplies for external insulin infusion pump, syringe type cartridge, sterile, each	N	N/R	27	$2,160

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	2	$112	Novo Nordisk 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 Stuart Ross Chipkin, M.D.?

Tedicare shows public-source Medicare data for Stuart Ross Chipkin, M.D. (NPI 1699775585), 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 Stuart Ross Chipkin, M.D. have ACO affiliation data?

Stuart Ross Chipkin, M.D. is shown with ACO affiliation data for UMASS Memorial Accountable Care Organization, INC. (MSSP, ACO ID A2598), Pioneer Valley Accountable Care, LLC (MSSP, ACO ID A5040), and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Stuart Ross Chipkin, M.D.?

Stuart Ross Chipkin, M.D. is linked to VALLEY MEDICAL GROUP, P.C. (billing NPI 1912924705) in the available physician profile data.

Does Stuart Ross Chipkin, M.D. have Open Payments data?

Stuart Ross Chipkin, M.D. has 2 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.