Physician

Alexander London, M.D.

According to 2025 Medicare claims, Alexander London, M.D. (NPI: 1821055161) practices otolaryngology in the Nassau County-Suffolk County, NY market, with the plurality of this provider's patient population coming from Suffolk, NY. This provider's primary affiliated billing organization is ENT AND ALLERGY ASSOCIATES LLP (NPI: 1376598326; TIN: 134000192) and primary practice location at 11702-3009.

London's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 960 traditional Medicare patients, billed 3,221 HCPCS/CPT codes, and received $276,496 in Medicare payments. The top billing code was 31231 (Diagnostic exam of nasal passages using an endoscope). Part D data shows 1,846 prescription claims across 464 beneficiaries totaling $25,277 in drug costs, led by Fluticasone Propionate (Fluticasone Propionate). DME data shows 80 claims. Open Payments data shows 41 records totaling $1,265. 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. Similarly, Part D prescription costs have changed little. In contrast, DME billing represents a smaller volume and moved up and down with repeated peaks and valleys, starting at $3,530 and ending at $4,281.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	949	5,263	$303,271
2016	1,137	5,286	$330,292
2017	1,137	5,069	$318,377
2018	1,073	4,438	$278,971
2019	1,106	4,036	$273,800
2020	917	3,139	$235,680
2021	932	3,283	$274,542
2022	952	3,375	$262,112
2023	950	3,515	$282,553
2024	960	3,221	$276,496

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	263	533	$23,812
2016	261	560	$23,290
2017	258	597	$25,402
2018	270	835	$22,445
2019	277	956	$22,437
2020	281	844	$20,959
2021	255	878	$18,683
2022	232	789	$17,116
2023	399	1,227	$27,328
2024	464	1,846	$25,277

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	N/R	N/R	N/R
2016	N/R	14	$483
2017	N/R	41	$514
2018	N/R	84	$1,927
2019	N/R	107	$3,263
2020	22	81	$1,622
2021	N/R	54	$1,158
2022	11	75	$1,561
2023	N/R	47	$1,330
2024	N/R	80	$2,390

* / # = 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
31231	Diagnostic exam of nasal passages using an endoscope	321	396	$169
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	307	379	$121
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	680	1,122	$80
G0268	Removal of impacted cerumen (one or both ears) by physician on same date of service as audiologic function testing	695	697	$43
69210	Removal of impacted ear wax	276	305	$27

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Fluticasone Propionate	Fluticasone Propionate	464	17,452	$4,930
Ipratropium Bromide	Ipratropium Bromide	211	4,958	$4,615
Levocetirizine Dihydrochloride	Levocetirizine Dihydrochloride	379	15,030	$3,968
Azelastine Hcl	Azelastine Hcl	166	5,162	$3,119
Montelukast Sodium	Montelukast Sodium	294	12,707	$1,738

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
A7034	Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap	N	N/R	22	$1,081
A4604	Tubing with integrated heating element for use with positive airway pressure device	N	N/R	13	$485
E0601	Continuous positive airway pressure (cpap) device	Y	N/R	12	$395
A7038	Filter, disposable, used with positive airway pressure device	N	N/R	20	$224
A7035	Headgear used with positive airway pressure device	N	N/R	13	$206

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	41	$1,265	Regeneron Healthcare Solutions, 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 Alexander London, M.D.?

Tedicare shows public-source Medicare data for Alexander London, M.D. (NPI 1821055161), 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 Alexander London, M.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 Alexander London, M.D.?

Alexander London, M.D. is linked to ENT AND ALLERGY ASSOCIATES LLP (billing NPI 1376598326) in the available physician profile data.

Does Alexander London, M.D. have Open Payments data?

Alexander London, M.D. has 41 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.