Ask for a self-pay quote
Request a written estimate for the exact service, including professional and facility fees.
Hospitalist in Denver, CO
Katarzyna Agnieszka Mastalerz is a hospitalist at 1721 E 19TH AVE, Suite 520 in Denver, CO. View phone 303-869-2440 and NPI 1861514275.
Loa does not yet have a verified provider-submitted price for this listing. Ask the provider and your insurer for a current estimate before scheduling care.
Published and estimated prices are a starting point. Confirm these details before scheduling to avoid surprises.
Request a written estimate for the exact service, including professional and facility fees.
Verify the CPT or other billing code and whether care is billed as an office, outpatient, or hospital service.
Ask your insurer about network status, deductible progress, prior authorization, and expected patient responsibility.
Compare the written estimate with source-labeled prices and ask which additional services could be billed.
Katarzyna Agnieszka Mastalerz M.D. is published from source-labeled provider data. Registry classifications, practice locations, network participation, and contact information can change, so verify current details before care, billing, or referral.
Source: NPI Registry. Source record updated March 15, 2023. Loa profile refreshed Jul 29, 2026.
Loa does not yet have a verified provider-submitted price for Katarzyna Agnieszka Mastalerz M.D.. Ask the office for a written self-pay estimate and compare nearby source-labeled prices before scheduling.
This profile shows public provider information for Hospitalist in Denver, CO, including contact details, NPI source information, and source-labeled price context when available.
Katarzyna Agnieszka Mastalerz M.D. is listed as an NPI individual under Hospitalist (208M00000X). Registry classifications can change and do not guarantee that every listed service is currently offered.
Contact the office before care to confirm the location, appointment availability, network participation, exact service and billing code, and all expected professional or facility fees.
The provider or an authorized representative can claim the profile or suggest a correction. Loa reviews submitted changes before publishing them.