Physician

Walter K Nahm, M.D., PHD.

According to 2025 Medicare claims, Walter Nahm, M.D., PHD. (NPI: 1467447284) practices dermatology in the San Diego-Chula Vista-Carlsbad, CA market, with the plurality of this provider's patient population coming from San Diego, CA. This provider's primary affiliated billing organization is WALTER K NAHM MD PHD INC (NPI: 1720110968; TIN: 680561651) and primary practice location at 92123-3357.

Nahm's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 396 traditional Medicare patients, billed 27,175 HCPCS/CPT codes, and received $5,014,619 in Medicare payments. The top billing code was 17004 (Destruction of precancer skin growth, 15 or more growths). Part D data shows 2,660 prescription claims across 452 beneficiaries totaling $729,257 in drug costs, led by Skyrizi Pen (Risankizumab-Rzaa). 2023 DME data shows 22 claims. Open Payments data shows 24 records totaling $828,110. 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 sharply higher in recent years, from $843,352 to $5,014,619. Similarly, Part D prescription costs have moved sharply higher in recent years, from $127,336 to $729,257. 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	552	8,530	$843,352
2016	539	9,667	$991,880
2017	487	9,001	$1,002,963
2018	465	11,446	$1,031,588
2019	435	14,372	$1,395,797
2020	407	17,081	$1,908,662
2021	425	44,572	$3,055,500
2022	417	35,826	$3,473,068
2023	439	28,099	$3,192,200
2024	396	27,175	$5,014,619

Part D Events Trend

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

Year	Patients	Claims	Drug Cost
2015	402	1,714	$127,336
2016	410	1,856	$181,531
2017	359	1,752	$213,430
2018	379	1,664	$229,243
2019	362	1,748	$279,854
2020	370	1,764	$262,086
2021	405	2,399	$282,064
2022	448	2,742	$459,340
2023	472	2,836	$614,911
2024	452	2,660	$729,257

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	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	16	16	$2,630
2023	20	22	$3,730
2024	N/R	N/R	N/R

* / # = 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
17004	Destruction of precancer skin growth, 15 or more growths	334	861	$155
17111	Destruction of skin growth, 15 or more growths	333	860	$127
99214	Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	335	930	$107
99213	Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more	245	490	$82
88305	Pathology examination of tissue using a microscope, intermediate complexity	271	1,299	$33

Top 5 Part D drugs in 2024

By total drug costs.

Drug	Generic	Claims	Total Day Supply	Total Drug Cost
Skyrizi Pen	Risankizumab-Rzaa	18	1,372	$369,447
Cosentyx Sensoready (2 Pens)	Secukinumab	17	476	$132,658
Xolair	Omalizumab	18	504	$60,946
Tacrolimus	Tacrolimus	115	3,690	$18,529
Metronidazole	Metronidazole	350	11,475	$15,568

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.	6	$504	Integra LifeSciences Corporation
Research Payments	Reported research-related payment or transfer-of-value amount.	18	$827,606	Novartis Pharmaceuticals Corporation
Ownership / Investment Interests	Reported value of ownership or investment interests.	0	$0	N/R

Explore More Providers

FAQ

What Medicare data is available for Walter K. Nahm, M.D., PHD.?

Tedicare shows public-source Medicare data for Walter K. Nahm, M.D., PHD. (NPI 1467447284), 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 Walter K. Nahm, M.D., PHD. have ACO affiliation data?

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

What billing organization is linked to Walter K. Nahm, M.D., PHD.?

Walter K. Nahm, M.D., PHD. is linked to WALTER K NAHM MD PHD INC (billing NPI 1720110968) in the available physician profile data.

Does Walter K. Nahm, M.D., PHD. have Open Payments data?

Walter K. Nahm, M.D., PHD. has 24 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.