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Edit this profileAt a glance
- 4050 Barranca Pkwy, Suite 200, Irvine, CA 92604
About Dr. Stasiewicz
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 specializing in family medicine. According to Medicare claims data, John cared for 369 Medicare patients across 550 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, insertion of needle into vein for collection of blood sample, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1033100482 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (949) 551-1090
- Email not available
Practice Locations
4050 BARRANCA PKWY SUITE 200
Irvine, CA 92604
Conditions Commonly Evaluated or Treated
Within Family Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive
Genitourinary and reproductive
Musculoskeletal and pain
Neurologic and behavioral
Respiratory and infectious
Skin
Common childhood and ear conditions
Pain & Joints
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive interventions
Screening and testing
- Cholesterol screening
- Depression screening
- Diabetes and prediabetes screening
- EKG
Diagnostic Tests
- COVID-19 testing
- Rapid Strep and Flu Swabs
- Urine Drug Screen
Exams & Screenings
- Camp and School Physical
- Pre-Op Clearance Exam
Foot and Leg Pain
- Toenail Fungus Treatment
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
- Burn and Wound Care
- Ingrown toenail removal
- Suture removal
Occupational Health
- DOT Physical
Office procedures
- Earwax removal
- Incision and drainage of an abscess
- Superficial foreign-body removal
Pain Management
- Joint injections
Preventive Care
- Chronic Illness Checkup
- Routine Vaccines
- Travel Vaccines And Consult
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
- Cyst Removal
- Precancerous Sun Spot Freezing
- Skin Tag Removal
- Wart Removal
Sleep Health
- At-Home Sleep Study Order
Urgent Care Procedures
- Stitches and Laceration Repair
Wellness & Weight
- Weight Management Consult
Women's Health
- Hormone Replacement Therapy Consultation
Procedures Most Often Billed to Medicare
550 services · 369 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
164 | As often as other peers in Family Practice |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
15 | Less often than most peers in Family Practice |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
15 | Less often than most peers in Family Practice |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
12 | Less often than most peers in Family Practice |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
215 | More often than most peers in Family Practice |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
100 | As often as other peers in Family Practice |
| Administration of influenza virus vaccine | Billing code | G0008 |
18 | Less often than most peers in Family Practice |
| Administration of pneumococcal vaccine | Billing code | G0009 |
11 | Less often than most peers in Family Practice |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family practices at this location 3
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other family practices in Irvine 7
Same specialty, same city.
More connections — 19 related providers in 3 groups
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 1970 at Medical College of Wisconsin 3
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Stasiewicz specialize in?
Dr. Stasiewicz is a family practice in Irvine, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Stasiewicz located?
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
What is Dr. Stasiewicz's phone number?
The number on file is (949) 551-1090. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Stasiewicz's NPI number?
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
Where did Dr. Stasiewicz go to medical school?
Dr. Stasiewicz attended Medical College of Wisconsin, graduating in 1970. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Stasiewicz been practicing?
Dr. Stasiewicz has 56 years experience. Calculated from a graduation year of 1970, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Stasiewicz do most often?
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
Has Dr. Stasiewicz confirmed this information?
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.
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Guide.md listings do not constitute medical advice or an endorsement.