Physician

Stefan Eric Lowenstein, MD

According to 2025 Medicare claims, Stefan Lowenstein, MD (NPI: 1245728807) practices dermatology in the San Rafael, CA market, with the plurality of this provider's patient population coming from Marin, CA. This provider's primary affiliated billing organization is AESTHETIC DERMATOLOGY & COSMETIC SURGERY MEDICAL ASSOCIATES, INC (NPI: 1700879079; TIN: 94-2907964) and primary practice location at 94941-2905.

Lowenstein's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 672 traditional Medicare patients, billed 3,174 HCPCS/CPT codes, and received $243,596 in Medicare payments. The top billing code was 11102 (Biopsy of related skin growth, first growth). Part D data shows 550 prescription claims across 273 beneficiaries totaling $59,929 in drug costs, led by Fluorouracil (Fluorouracil). Open Payments data shows 87 records totaling $2,027. 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 has fewer than 5 years of reported Medicare Part B carrier billing data, so a reliable trend cannot be assigned. Concurrently, Part D prescription costs did not follow a clear longitudinal pattern. For DME billing, this provider has fewer than 5 years of reported data, so a reliable trend cannot be assigned.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	N/R	N/R
2021	N/R	N/R	N/R
2022	238	932	$57,034
2023	567	3,412	$230,801
2024	672	3,174	$243,596

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	N/R	N/R	N/R
2016	N/R	N/R	N/R
2017	N/R	N/R	N/R
2018	N/R	N/R	N/R
2019	N/R	N/R	N/R
2020	N/R	11	$703
2021	57	149	$86,513
2022	96	223	$264,002
2023	182	379	$92,005
2024	273	550	$59,929

DME Billing Trend

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

No connected DME records

* / # = 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
11102	Biopsy of related skin growth, first growth	230	269	$90
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	375	503	$78
17000	Destruction of precancer skin growth, 1 growth	310	434	$54
99212	Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	114	127	$53
17003	Destruction of precancer skin growth, 2-14 growths	237	1,029	$7

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Fluorouracil	Fluorouracil	30	788	$1,888
Ketoconazole	Ketoconazole	74	2,240	$1,588
Tretinoin	Tretinoin	21	689	$1,328
Clobetasol Propionate	Clobetasol Propionate	28	860	$1,232
Metronidazole	Metronidazole	18	615	$1,183

Top 5 DME services in 2024

No connected or detailed DME service-level records for 2024.

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	87	$2,027	ABBVIE 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 Stefan Eric Lowenstein, MD?

Tedicare shows public-source Medicare data for Stefan Eric Lowenstein, MD (NPI 1245728807), 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 Stefan Eric Lowenstein, MD have ACO affiliation data?

No ACO affiliation record is shown in the available Tedicare data for this profile.

What billing organization is linked to Stefan Eric Lowenstein, MD?

Stefan Eric Lowenstein, MD is linked to AESTHETIC DERMATOLOGY & COSMETIC SURGERY MEDICAL ASSOCIATES, INC (billing NPI 1700879079) in the available physician profile data.

Does Stefan Eric Lowenstein, MD have Open Payments data?

Stefan Eric Lowenstein, MD has 87 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.