Dr. John H. Stasiewicz, MD
- Medicare services, 2024
- 550
- Medicare patients, 2024
- 169
- Part D claims, 2024
- 5,153
- Hospital affiliations
- 2
- Industry payments
- $13,214
- Practice address
- 4050 Barranca Pkwy, Irvine, CA 92604
- Practice phone
- Call (877) 696-3622
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Memorialcare Medical Foundation
Irvine, California
Find Dr. Stasiewicz'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. John H. Stasiewicz is a family medicine physician in Irvine, California
Dr. Stasiewicz practices at Memorialcare Medical Foundation in Irvine, California.
Dr. Stasiewicz's NPI, 1033100482, was assigned on November 3, 2005. Dr. Stasiewicz graduated from Medical College Of Wisconsin in 1970. Dr. Stasiewicz holds California license G21256.
- NPI
- 1033100482NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1052455508
- NPI enumeration date
- November 3, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (877) 696-3622
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John H. Stasiewicz practices at Memorialcare Medical Foundation in Irvine, California
Dr. Stasiewicz's primary practice is Memorialcare Medical Foundation, at 4050 Barranca Pkwy, Irvine, CA 92604 in Orange County. The practice phone is (877) 696-3622.
- Memorialcare Medical Foundation4050 Barranca Pkwy, Irvine, CA 92604 · Orange CountyPhone(877) 696-3622
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John H. Stasiewicz is affiliated with 5 sites of care and 1 medical group
Dr. Stasiewicz's primary practice is Memorialcare Medical Foundation in Irvine, California. Dr. Stasiewicz is also affiliated with MemorialCare Saddleback Medical Center. The medical group on file is MemorialCare Medical Group. Dmand AI also links Dr. Stasiewicz to 1 more hospital, 1 group practice or clinic and 1 home health agency, 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. John H. Stasiewicz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stasiewicz practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Memorialcare Medical Foundation | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John H. Stasiewicz is one of 15,680 family medicine physicians in California
Family medicine is Dr. Stasiewicz's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dmand AI has Dr. Stasiewicz's licenses on file in 3 states: California, Virginia and Illinois.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Virginia license
- Illinois license
Clinical focus
Dmand AI lists acid reflux, acute gastroduodenitis, acute sinusitis, acute skin infection, adjustment disease, arthritis, atrial fibrillation and flutter and bronchitis among the conditions Dr. Stasiewicz treats.
Family medicine physicians near Dr. Stasiewicz
Counts of family medicine physicians 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. John H. Stasiewicz billed Medicare for 550 services in 2024
CMS data shows 550 Medicare services from Dr. Stasiewicz across 8 procedure codes in 2024, for 169 Medicare patients. Medicare paid $23,579 for them. Every service was in an office.
Dr. Stasiewicz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3332024: 3155%
- Surgery
- 2023: 1952024: 16416%
- Tests and treatments
- 2023: 492024: 4214%
- Other services
- 2023: 352024: 2917%
- Drugs given in the office
- 2023: 232024: 0100%
Dr. Stasiewicz compared with the California median for family medicine physicians, 2024
- Dr. Stasiewicz
- California median
- Medicare services
- 550vs 2462.2 times
- Medicare patients
- 169vs 11843% above
- Part D claims
- 4,666vs 8335.6 times
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Stasiewicz's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Stasiewicz and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John H. Stasiewicz treated 169 Medicare patients in 2024, average age 73
CMS counts 169 Medicare patients who saw Dr. Stasiewicz in 2024. The largest group is 65 to 74, with 96 patients. 75% of them have high cholesterol, and 59% have high blood pressure. Their average risk score is 0.94, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Stasiewicz's median patient age at 63, with 48% women.
Dr. Stasiewicz's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Stasiewicz's Medicare patients by sex, 2024
- Women7645%
- Men9355%
Chronic conditions among Dr. Stasiewicz's Medicare patients, 2024
- High cholesterol75%
- High blood pressure59%
- Arthritis38%
- Anxiety17%
- Cancer17%
- Diabetes16%
- Chronic kidney disease15%
- Depression14%
Share of Medicare patients with each condition. A patient can have several.
Dr. Stasiewicz's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John H. Stasiewicz wrote 5,153 Medicare Part D claims in 2024
In 2024, Dr. Stasiewicz wrote 5,153 Medicare Part D claims for 489 patients. 93% of them were for generic drugs. CMS names the drug for 4,666 of them, across 98 drugs with 11 or more claims each, at $209,820 in total drug cost. In 2023, CMS named 4,523 claims across 87 drugs.
Dr. Stasiewicz's Part D claims by kind of drug, 2024
- Generic4,800 claims93%
- Brand-name and other353 claims7%
Dr. Stasiewicz's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Stasiewicz's Part D claims, 2024
- Opioids3%154 of 5,153 claims
- Antibiotics4%214 of 5,153 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,5232024: 4,6663%
Drugs named by CMS: 98 in 2024, 87 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John H. Stasiewicz ranks in the 59th percentile for removal of skin lesions in Medicare
Dr. Stasiewicz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Stasiewicz as offering telehealth. CMS counts 12 procedures of removal of skin lesions by Dr. Stasiewicz, more than 59% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Stasiewicz ranks in Medicare procedure volume
- Removal of skin lesions
- 59th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John H. Stasiewicz received $13,214 in industry payments from 2016 to 2025
CMS Open Payments shows 701 general payments to Dr. Stasiewicz from 49 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $1,876.
General payments to Dr. Stasiewicz by program year, 2016 to 2025
General payments to Dr. Stasiewicz by kind, 2016 to 2025
- Food and beverage$13,209100%
- Education$50%
Companies that paid Dr. Stasiewicz the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John H. Stasiewicz has 1 award and honors on record
Dmand AI lists 1 award for Dr. Stasiewicz, most recently CMS Stage 1 EHR in 2012.
Awards and honors for Dr. Stasiewicz
- 2012
- CMS Stage 1 EHR
Source: Dmand AI Professional Profile Data
Dr. John H. Stasiewicz graduated from Medical College Of Wisconsin
Dr. Stasiewicz graduated from Medical College Of Wisconsin in 1970.
- Medical school
Source: Dmand AI Professional Profile Data
Dr. John H. Stasiewicz accepts plans from 6 insurance carriers
Dr. Stasiewicz is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Humana
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- CMS Medicare
Plan types Dr. Stasiewicz accepts, by number of carriers
- Medicare6
- PPO5
- HMO3
- POS2
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. John H. Stasiewicz'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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| 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. John H. Stasiewicz
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. John H. Stasiewicz's NPI number?
Dr. John H. Stasiewicz's NPI number is 1033100482. It was assigned on November 3, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John H. Stasiewicz?
Dr. John H. Stasiewicz is a family medicine physician in Irvine, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. John H. Stasiewicz practice?
Dr. Stasiewicz practices at 4050 Barranca Pkwy, Irvine, CA 92604. Dr. Stasiewicz's primary practice is Memorialcare Medical Foundation in Irvine, California. Dmand AI also links Dr. Stasiewicz to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. John H. Stasiewicz's office phone number?
The practice phone on file for Dr. Stasiewicz is (877) 696-3622.
What is Dr. John H. Stasiewicz's medical license number?
Dr. Stasiewicz holds California license G21256, one of the licenses on file in 3 states.
Which states has Dr. John H. Stasiewicz been licensed in?
Dmand AI has state licenses on file for Dr. Stasiewicz in California (1971 to 2026), Virginia (1976 to 2008) and Illinois (1973 to 1990).
Which hospitals is Dr. John H. Stasiewicz affiliated with?
Dr. Stasiewicz is affiliated with MemorialCare Saddleback Medical Center. Dmand AI links Dr. Stasiewicz to 1 more hospital.
What medical group is Dr. John H. Stasiewicz part of?
Dr. Stasiewicz is linked to MemorialCare Medical Group.
Does Dr. John H. Stasiewicz accept Medicare?
Yes. CMS data shows Dr. Stasiewicz billed Medicare for 550 services in 2024, and Dr. Stasiewicz accepts Medicare assignment.
Does Dr. John H. Stasiewicz offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Stasiewicz as offering telehealth services.
Show 7 more questionsShow fewer questions
How many Medicare patients does Dr. John H. Stasiewicz see?
CMS counts 169 Medicare patients who saw Dr. Stasiewicz in 2024, with an average age of 73.
What services does Dr. John H. Stasiewicz bill to Medicare?
In 2024, Dr. Stasiewicz's most billed Medicare services were office visit, established patient (99213), surgery: heart and blood vessels (36415) and office visit, established patient (99214).
Where did Dr. John H. Stasiewicz go to medical school?
Dr. Stasiewicz graduated from Medical College Of Wisconsin in 1970.
What drugs does Dr. John H. Stasiewicz prescribe most?
In 2024 Medicare Part D data, Dr. Stasiewicz's most prescribed drugs by claims were Rosuvastatin Calcium, Levothyroxine Sodium and Metformin HCl.
Has Dr. John H. Stasiewicz received payments from drug or device companies?
CMS Open Payments shows $13,214 in general payments to Dr. Stasiewicz from 49 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. John H. Stasiewicz been practicing?
Dr. Stasiewicz graduated from medical school in 1970, 56 years ago.
What insurance does Dr. John H. Stasiewicz accept?
Dr. Stasiewicz is in network with 6 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Humana. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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