Dr. Jadwiga M. Alexiewicz, MD
- Medicare services, 2018
- 1,758
- Part D claims, 2019
- 200
- Industry payments
- $501
- Affiliated sites
- 1
- Medical groups
- 2
- Practice address
- 105 Mercury Cir, Pomona, CA 91768
- Practice phone
- Call (909) 860-0061
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Well and Fit Adult Day Health Care, Inc
Pomona, California
Find Dr. Alexiewicz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Jadwiga M. Alexiewicz is a nephrologist in Pomona, California
Dr. Alexiewicz practices at Well and Fit Adult Day Health Care, Inc in Pomona, California.
Dr. Alexiewicz's NPI, 1760487458, was assigned on June 17, 2005. Dr. Alexiewicz holds California license A64466.
- NPI
- 1760487458NPI Registry (opens in a new tab)
- NPI enumeration date
- June 17, 2005
- NPI status
- Active
- Practice phone
- (909) 860-0061
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Jadwiga M. Alexiewicz practices at Well and Fit Adult Day Health Care, Inc in Pomona, California
Dr. Alexiewicz's primary practice is Well and Fit Adult Day Health Care, Inc, at 105 Mercury Cir, Pomona, CA 91768 in Los Angeles County. The practice phone is (909) 860-0061.
- Well and Fit Adult Day Health Care, Inc105 Mercury Cir, Pomona, CA 91768 · Los Angeles CountyPhone(909) 860-0061
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Jadwiga M. Alexiewicz is affiliated with 2 sites of care and 2 medical groups
Dr. Alexiewicz's primary practice is Well and Fit Adult Day Health Care, Inc in Pomona, California. The medical group on file is Emergency and Acute Care Medical Corporation. Dmand AI also links Dr. Alexiewicz to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jadwiga M. Alexiewicz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Alexiewicz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Well and Fit Adult Day Health Care, Inc | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jadwiga M. Alexiewicz is one of 1,401 nephrologists in California
Nephrology is Dr. Alexiewicz's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Alexiewicz is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Nephrologists near Dr. Alexiewicz
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jadwiga M. Alexiewicz billed Medicare for 1,758 services in 2018
CMS data shows 1,758 Medicare services from Dr. Alexiewicz across 11 procedure codes in 2018. Medicare paid $176,325 for them.
Dr. Alexiewicz's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1,7452018: 1,24129%
- Tests and treatments
- 2017: 8222018: 51737%
- Other services
- 2017: 842018: 0100%
Where Dr. Alexiewicz's Medicare services took place, 2018
- In an office63636%
- In a facility1,12264%
Dr. Alexiewicz compared with the California median for nephrologists, 2018
- Dr. Alexiewicz
- California median
- Medicare services
- 1,758vs 1,08462% above
- Part D claims
- 200vs 95579% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Alexiewicz's most billed Medicare procedure codes, 2018
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Alexiewicz?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Alexiewicz and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jadwiga M. Alexiewicz's patients have a median age of 64
Across all payers, Dmand AI patient panel data puts Dr. Alexiewicz's median patient age at 64, with 40% women.
Dr. Alexiewicz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Dr. Jadwiga M. Alexiewicz wrote 200 Medicare Part D claims in 2019
In 2019, Dr. Alexiewicz wrote 200 Medicare Part D claims. They cover 11 drugs, with $5,961 in total drug cost. In 2018, CMS named 2,891 claims across 51 drugs.
Dr. Alexiewicz's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 2,8912019: 20093%
Drugs named by CMS: 11 in 2019, 51 in 2018.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Jadwiga M. Alexiewicz received $501 in industry payments from 2016 to 2018
CMS Open Payments shows 6 general payments to Dr. Alexiewicz from 5 drug and device companies from 2016 to 2018. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $221.
General payments to Dr. Alexiewicz by program year, 2016 to 2018
Companies that paid Dr. Alexiewicz the most, 2016 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Jadwiga M. Alexiewicz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jadwiga M. Alexiewicz
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jadwiga M. Alexiewicz's NPI number?
Dr. Jadwiga M. Alexiewicz's NPI number is 1760487458. It was assigned on June 17, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Jadwiga M. Alexiewicz?
Dr. Jadwiga M. Alexiewicz is a nephrologist in Pomona, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Jadwiga M. Alexiewicz practice?
Dr. Alexiewicz practices at 105 Mercury Cir, Pomona, CA 91768. Dr. Alexiewicz's primary practice is Well and Fit Adult Day Health Care, Inc in Pomona, California. Dmand AI also links Dr. Alexiewicz to 1 group practice or clinic and 1 medical group.
What is Dr. Jadwiga M. Alexiewicz's office phone number?
The practice phone on file for Dr. Alexiewicz is (909) 860-0061.
What is Dr. Jadwiga M. Alexiewicz's medical license number?
Dr. Alexiewicz holds California license A64466.
What medical group is Dr. Jadwiga M. Alexiewicz part of?
Dr. Alexiewicz is linked to Emergency and Acute Care Medical Corporation. Dmand AI links Dr. Alexiewicz to 1 more medical group.
Does Dr. Jadwiga M. Alexiewicz accept Medicare?
Yes. CMS data shows Dr. Alexiewicz billed Medicare for 1,758 services in 2018.
What services does Dr. Jadwiga M. Alexiewicz bill to Medicare?
In 2018, Dr. Alexiewicz's most billed Medicare services were office visit, established patient (99214), hospital inpatient care (99232) and dialysis (90960).
What drugs does Dr. Jadwiga M. Alexiewicz prescribe most?
In 2019 Medicare Part D data, Dr. Alexiewicz's most prescribed drugs by claims were Prednisone, Amlodipine Besylate and Famotidine.
Has Dr. Jadwiga M. Alexiewicz received payments from drug or device companies?
CMS Open Payments shows $501 in general payments to Dr. Alexiewicz from 5 companies from 2016 to 2018. The largest total came from Relypsa, Inc.
How long has Dr. Jadwiga M. Alexiewicz been practicing?
Dr. Alexiewicz's NPI was assigned in 2005.
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