Julie Marek Bykowski, M.D.
NPI 1699988667 · Diagnostic Radiology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Julie Marek Bykowski, M.D. is a Diagnostic Radiology Physician provider in San Diego, CA (NPI 1699988667).
Provider details
- NPI number
- 1699988667
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A96803 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,997 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 553 | $40 |
| Mri Scan of Brain Before and After Contrast70553 | 351 | $110 |
| Ct Scan of Soft Tissue of Neck With Contrast70491 | 299 | $65 |
| Ct Scan of Blood Vessels of Head With Contrast70496 | 202 | $84 |
| Mri Scan of Brain Without Contrast70551 | 201 | $70 |
| Ct Scan of Face Without Contrast70486 | 191 | $41 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$86 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-07
- Last updated
- 2011-02-28
Frequently asked questions
- What is Julie Marek Bykowski's NPI number?
- Julie Marek Bykowski's National Provider Identifier (NPI) is 1699988667, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julie Marek Bykowski's specialty?
- Julie Marek Bykowski is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Julie Marek Bykowski located?
- Julie Marek Bykowski's practice location on file with NPPES is 200 West Arbor Dr, San Diego, CA 92103-8756.
- What is Julie Marek Bykowski's phone number?
- The practice phone number listed in the NPPES registry for Julie Marek Bykowski is (619) 543-3534.
- Does Julie Marek Bykowski accept Medicare?
- Julie Marek Bykowski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Julie Marek Bykowski's NPI active?
- Yes — Julie Marek Bykowski's NPI (1699988667) is active in the NPPES registry as of the last update on 2011-02-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.