Physician

Darren M. Lynch, MD

According to 2025 Medicare claims, Darren Lynch, MD (NPI: 1922087832) practices general practice 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 NORTHAMPTON INTEGRATIVE MEDICINE, LLC (NPI: 1134673882; TIN: 813511626) and primary practice location at 01060-3914. Lynch is affiliated with the UMASS Memorial Accountable Care Organization, INC. (ACO ID: A2598) and CoreHealth Alliance LLC (ACO ID: A5645), participating under the MSSP model.

Lynch's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 751 traditional Medicare patients, billed 17,994 HCPCS/CPT codes, and received $301,647 in Medicare payments. The top billing code was 99204 (New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more). Part D data shows 1,532 prescription claims across 245 beneficiaries totaling $151,805 in drug costs, led by Creon (Lipase/Protease/Amylase). DME data shows 358 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 moved from a lower plateau to a higher plateau, from $131,970 to $301,647. Concurrently, Part D prescription costs have moved up and down with repeated peaks and valleys, starting at $190,918 and ending at $151,805. In contrast, DME billing represents a smaller volume and rose steadily, from $4,089 to $8,693.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	337	11,507	$131,970
2016	403	14,655	$157,100
2017	611	22,093	$272,896
2018	687	25,291	$313,756
2019	691	21,778	$295,843
2020	600	17,670	$279,628
2021	652	14,603	$297,968
2022	683	14,277	$271,013
2023	740	18,810	$325,381
2024	751	17,994	$301,647

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	141	1,038	$190,918
2016	141	1,094	$200,626
2017	195	1,626	$304,932
2018	213	1,628	$344,902
2019	215	1,553	$284,171
2020	212	1,550	$367,772
2021	184	1,402	$331,296
2022	203	1,395	$291,722
2023	215	1,480	$216,992
2024	245	1,532	$151,805

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	123	$173,030
2016	N/R	215	$249,261
2017	N/R	252	$261,945
2018	N/R	294	$320,857
2019	N/R	259	$429,197
2020	N/R	266	$454,168
2021	N/R	240	$339,357
2022	N/R	357	$592,513
2023	11	389	$608,641
2024	N/R	358	$658,306

* / # = 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
99204	New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more	102	102	$108
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	685	1,791	$90
82785	Ige (immune system protein) level	69	70	$16
95165	Professional service for preparation and provision of 1 or more antigens	46	3,535	$11
86003	Measurement of antibody (ige) to allergic substance, crude allergen extract, each	79	6,539	$5

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Creon	Lipase/Protease/Amylase	12	620	$33,305
Cromolyn Sodium	Cromolyn Sodium	48	1,396	$13,750
Atovaquone	Atovaquone	24	647	$11,269
Armour Thyroid	Thyroid,pork	100	8,010	$10,736
Tirosint	Levothyroxine Sodium	25	1,590	$9,228

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
J1559	Injection, immune globulin (hizentra), 100 mg	N	N/R	96	$516,878
J1569	Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg	N	N/R	42	$123,248
Q2052	Services, supplies and accessories used in the home for the administration of intravenous immune globulin (ivig)	N	N/R	30	$9,889
A4221	Supplies for maintenance of non-insulin drug infusion catheter, per week (list drugs separately)	N	N/R	92	$6,327
K0552	Supplies for external non-insulin drug infusion pump, syringe type cartridge, sterile, each	N	N/R	98	$1,963

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 Darren M. Lynch, MD?

Tedicare shows public-source Medicare data for Darren M. Lynch, MD (NPI 1922087832), 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 Darren M. Lynch, MD have ACO affiliation data?

Darren M. Lynch, MD is shown with ACO affiliation data for UMASS Memorial Accountable Care Organization, INC. (MSSP, ACO ID A2598) and CoreHealth Alliance LLC (MSSP, ACO ID A5645).

What billing organization is linked to Darren M. Lynch, MD?

Darren M. Lynch, MD is linked to NORTHAMPTON INTEGRATIVE MEDICINE, LLC (billing NPI 1134673882) in the available physician profile data.

Does Darren M. Lynch, 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.