Physician

Alexander Geng, M.D.

According to 2025 Medicare claims, Alexander Geng, M.D. (NPI: 1790066090) practices radiation oncology in the San Francisco-San Mateo-Redwood City, CA market, with the plurality of this provider's patient population coming from San Francisco, CA. This provider's primary affiliated billing organization is ALEXANDER GENG INC (NPI: 1992394811; TIN: 861242197) and primary practice location at 94109-4806.

Geng's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 68 traditional Medicare patients, billed 1,168 HCPCS/CPT codes, and received $90,410 in Medicare payments. The top billing code was 77263 (Complex radiation therapy planning). Part D data shows 125 prescription claims across 35 beneficiaries totaling $36,627 in drug costs, led by Levothyroxine Sodium (Levothyroxine Sodium). 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 up and down with repeated peaks and valleys, starting at $26,161 and ending at $90,410. Concurrently, Part D prescription costs have risen steadily, from $261 to $36,627. 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	42	347	$26,161
2016	57	1,425	$97,774
2017	84	1,909	$130,664
2018	91	1,491	$97,738
2019	93	1,647	$125,756
2020	83	1,574	$108,137
2021	92	1,885	$132,177
2022	71	1,757	$127,862
2023	74	2,271	$166,618
2024	68	1,168	$90,410

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	13	25	$261
2016	36	104	$1,499
2017	29	56	$1,289
2018	29	64	$1,695
2019	31	89	$991
2020	35	95	$2,583
2021	31	68	$8,621
2022	25	57	$2,260
2023	38	108	$6,796
2024	35	125	$36,627

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
77263	Complex radiation therapy planning	18	27	$150
99215	Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more	76	212	$119
77470	Special radiation treatment	20	27	$98
77334	Design and construction of complex radiation treatment device	19	102	$55
77300	Calculation of radiation therapy dose	18	272	$30

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Levothyroxine Sodium	Levothyroxine Sodium	28	1,103	$292

Top 5 DME services in 2024

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

Open Payments Summary

No connected Open Payments records were found for this physician in General Payments, Research Payments, or Ownership / Investment Interests.

Explore More Providers

FAQ

What Medicare data is available for Alexander Geng, M.D.?

Tedicare shows public-source Medicare data for Alexander Geng, M.D. (NPI 1790066090), 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 Geng, 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 Geng, M.D.?

Alexander Geng, M.D. is linked to ALEXANDER GENG INC (billing NPI 1992394811) in the available physician profile data.

Does Alexander Geng, M.D. 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.