Physician

Andreas M. Kaiser, M.D.

According to 2025 Medicare claims, Andreas Kaiser, M.D. (NPI: 1720092679) practices colorectal surgery (formerly proctology) in the Los Angeles-Long Beach-Glendale, CA market, with the plurality of this provider's patient population coming from Los Angeles, CA. This provider's primary affiliated billing organization is CITY OF HOPE MEDICAL FOUNDATION (NPI: 1871886366; TIN: 274803222) and primary practice location at 91010-3012.

Kaiser's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 282 traditional Medicare patients, billed 843 HCPCS/CPT codes, and received $170,099 in Medicare payments. The top billing code was 99205 (New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more). Part D data shows 53 prescription claims across 45 beneficiaries totaling $2,058 in drug costs, led by Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates). DME data shows 359 claims. Open Payments data shows 21 records totaling $3,250. 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 up and down with repeated peaks and valleys, starting at $131,506 and ending at $170,099. Concurrently, Part D prescription costs started with an early spike, then settled into a lower baseline, moving from $10,453 to $2,058. For DME billing, reported payments moved up and down with repeated peaks and valleys, starting at $633 and ending at $810.

Part B Carrier Billing Trend

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

Year	Patients	Clm Lines	Payment
2015	259	614	$131,506
2016	220	613	$122,013
2017	225	564	$117,158
2018	243	671	$149,799
2019	222	577	$126,735
2020	145	448	$92,443
2021	222	776	$177,213
2022	261	753	$144,122
2023	298	867	$153,705
2024	282	843	$170,099

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	110	244	$10,453
2016	106	192	$4,798
2017	71	114	$3,140
2018	27	37	$1,187
2019	N/R	40	$5,438
2020	N/R	23	$3,998
2021	N/R	15	$374
2022	21	35	$1,891
2023	25	47	$2,363
2024	45	53	$2,058

DME Billing Trend

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

Year	Patients	Claims	Payment
2015	12	224	$23,464
2016	41	491	$104,795
2017	66	700	$149,268
2018	123	650	$50,244
2019	154	794	$65,352
2020	95	587	$49,697
2021	99	559	$65,576
2022	117	444	$41,329
2023	119	346	$34,542
2024	85	359	$30,367

* / # = 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
99205	New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more	65	65	$151
45378	Diagnostic exam of large bowel using a flexible endoscope	35	35	$150
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	75	98	$120
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	196	294	$89
45330	Diagnostic exam of lower portion of large bowel using a flexible endoscope	43	48	$47

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Sod Sulf-Potass Sulf-Mag Sulf	Sodium, Potassium,mag Sulfates	19	23	$1,288

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
A5057	Ostomy pouch, drainable, with extended wear barrier attached, with built in convexity, with filter, (1 piece), each	N	N/R	25	$6,984
A4385	Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each	N	15	37	$6,320
A4407	Ostomy skin barrier, with flange (solid, flexible, or accordion), extended wear, with built-in convexity, 4 x 4 inches or smaller, each	N	N/R	18	$3,854
A4362	Skin barrier; solid, 4 x 4 or equivalent; each	N	16	42	$3,105
A4425	Ostomy pouch, drainable; for use on barrier with non-locking flange, with filter (2 piece system), each	N	N/R	25	$2,525

Open Payments Summary in 2024

Category	Definition	Records	Total Reported Amount	Top Related Entity
General Payments	Reported payment or transfer-of-value amount.	21	$3,250	Virtual Incision Corporation
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

Explore More Providers

FAQ

What Medicare data is available for Andreas M. Kaiser, M.D.?

Tedicare shows public-source Medicare data for Andreas M. Kaiser, M.D. (NPI 1720092679), 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 Andreas M. Kaiser, 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 Andreas M. Kaiser, M.D.?

Andreas M. Kaiser, M.D. is linked to CITY OF HOPE MEDICAL FOUNDATION (billing NPI 1871886366) in the available physician profile data.

Does Andreas M. Kaiser, M.D. have Open Payments data?

Andreas M. Kaiser, M.D. has 21 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.