Based in Irvine, CA, John H Stasiewicz, MD is listed in the NPI registry under family practice. John graduated from Medical College of Wisconsin in 1970. John is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Stasiewicz is a family practice in Irvine, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “FAMILY PRACTICE”.
NPI registry
Dr. Stasiewicz is listed at 4050 BARRANCA PKWY SUITE 200, Irvine, CA 92604. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (949) 551-1090. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Stasiewicz's National Provider Identifier is 1033100482. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Stasiewicz attended Medical College of Wisconsin, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
Dr. Stasiewicz has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Stasiewicz performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report and influenza vaccine split virus, preservative free, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Stasiewicz. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
4050 BARRANCA PKWY SUITE 200
Irvine, CA 92604
550 services · 369 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
164 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
15 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
15 |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
12 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
215 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
100 |
| Administration of influenza virus vaccine | Billing code | G0008 |
18 |
| Administration of pneumococcal vaccine | Billing code | G0009 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.