Physician

C. Michael Neuwelt, M.D.

According to 2025 Medicare claims, C. Neuwelt, M.D. (NPI: 1598786790) practices rheumatology in the Oakland-Fremont-Berkeley, CA market, with the plurality of this provider's patient population coming from Alameda, CA. This provider's primary affiliated billing organization is EAST BAY RHEUMATOLOGY MEDICAL GROUP, INC. (NPI: 1891930673; TIN: 94-2689598) and primary practice location at 94578-2630.

Neuwelt's data goes back to 2015 and runs through 2024. For example, in 2024, this provider had 381 traditional Medicare patients, billed 107,469 HCPCS/CPT codes, and received $1,068,367 in Medicare payments. The top billing code was 96413 (Administration of chemotherapy into vein, 1 hour or less). Part D data shows 2,280 prescription claims across 336 beneficiaries totaling $1,500,910 in drug costs, led by Taltz Autoinjector (Ixekizumab). Open Payments data shows 72 records totaling $35,042. 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 from a lower plateau to a higher plateau, from $364,724 to $1,068,367. Similarly, Part D prescription costs have risen steadily, from $814,102 to $1,500,910. 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.

Part B Carrier Billing Trend. X-axis: year 2015-2024. Y-axis: Medicare payment, unit: USD. Field: Tot_Mdcr_Pymt_Amt. Source: Medicare Physician & Other Practitioners by Provider.0$534K$1.1M2015 Medicare payment: $364,724 (USD; Tot_Mdcr_Pymt_Amt)2016 Medicare payment: $398,009 (USD; Tot_Mdcr_Pymt_Amt)2017 Medicare payment: $545,129 (USD; Tot_Mdcr_Pymt_Amt)2018 Medicare payment: $608,057 (USD; Tot_Mdcr_Pymt_Amt)2019 Medicare payment: $853,507 (USD; Tot_Mdcr_Pymt_Amt)2020 Medicare payment: $903,964 (USD; Tot_Mdcr_Pymt_Amt)2021 Medicare payment: $843,966 (USD; Tot_Mdcr_Pymt_Amt)2022 Medicare payment: $828,728 (USD; Tot_Mdcr_Pymt_Amt)2023 Medicare payment: $979,803 (USD; Tot_Mdcr_Pymt_Amt)2024 Medicare payment: $1,068,367 (USD; Tot_Mdcr_Pymt_Amt)2015201620172018201920202021202220232024
YearPatientsClm LinesPayment
20153614,808$364,724
20163447,217$398,009
201730813,048$545,129
201834616,901$608,057
201938461,544$853,507
202037983,753$903,964
202134586,674$843,966
202230596,371$828,728
202331582,683$979,803
2024381107,469$1,068,367

Part D Events Trend

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

Part D Events Trend. X-axis: year 2015-2024. Y-axis: Drug cost, unit: USD. Field: Tot_Drug_Cst. Source: Medicare Part D Prescribers by Provider.0$763K$1.5M2015 Drug cost: $814,102 (USD; Tot_Drug_Cst)2016 Drug cost: $1,043,264 (USD; Tot_Drug_Cst)2017 Drug cost: $995,002 (USD; Tot_Drug_Cst)2018 Drug cost: $757,981 (USD; Tot_Drug_Cst)2019 Drug cost: $921,386 (USD; Tot_Drug_Cst)2020 Drug cost: $969,474 (USD; Tot_Drug_Cst)2021 Drug cost: $1,157,770 (USD; Tot_Drug_Cst)2022 Drug cost: $1,515,122 (USD; Tot_Drug_Cst)2023 Drug cost: $1,526,225 (USD; Tot_Drug_Cst)2024 Drug cost: $1,500,910 (USD; Tot_Drug_Cst)2015201620172018201920202021202220232024
YearPatientsClaimsDrug Cost
20153002,817$814,102
20163673,026$1,043,264
20173272,876$995,002
20183082,940$757,981
20193432,668$921,386
20203663,175$969,474
20213653,193$1,157,770
20223152,756$1,515,122
20233452,416$1,526,225
20243362,280$1,500,910

DME Billing Trend

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

No connected DME records

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.

CodeDescriptionPatientsClm LinesTotal Payment
96413Administration of chemotherapy into vein, 1 hour or less52263$142
99214Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more271446$112
99442Telephone medical discussion with physician, 11-20 minutes7191$82
99213Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more4547$76
G2211Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's216285$15

Top 5 Part D drugs in 2024

By total drug costs.

DrugGenericClaimsTotal Day SupplyTotal Drug Cost
Taltz AutoinjectorIxekizumab371,204$282,766
Gammagard LiquidImmun Glob G(Igg)/Gly/Iga Ov5014392$207,605
Humira PenAdalimumab19730$180,432
BenlystaBelimumab28840$150,637
XeljanzTofacitinib Citrate21630$128,470

Top 5 DME services in 2024

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

Open Payments Summary in 2024

CategoryDefinitionRecordsTotal Reported AmountTop Related Entity
General PaymentsReported payment or transfer-of-value amount.66$25,965AstraZeneca Pharmaceuticals LP
Research PaymentsReported research-related payment or transfer-of-value amount.6$9,078UCB SA
Ownership / Investment InterestsReported value of ownership or investment interests.0$0N/R

FAQ

What Medicare data is available for C. Michael Neuwelt, M.D.?

Tedicare shows public-source Medicare data for C. Michael Neuwelt, M.D. (NPI 1598786790), 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 C. Michael Neuwelt, 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 C. Michael Neuwelt, M.D.?

C. Michael Neuwelt, M.D. is linked to EAST BAY RHEUMATOLOGY MEDICAL GROUP, INC. (billing NPI 1891930673) in the available physician profile data.

Does C. Michael Neuwelt, M.D. have Open Payments data?

C. Michael Neuwelt, M.D. has 72 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.