Physician Profile
Giselle Y. Lopez, MD, PhD
Unclaimed ProfileAbout Dr. Lopez
Giselle Y. Lopez, MD, PhD practices student in an organized health care education program in San Francisco, CA. Giselle is a 2014 graduate of Duke University School of Medicine. According to Medicare claims data, Giselle cared for 84 Medicare patients across 226 services. The services billed most often include special stained specimen slides to examine tissue, each additional procedure, pathology examination of tissue using a microscope, moderately high complexity, and special stained specimen slides to examine tissue, initial procedure.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (301) 751-7444
- Email not available
Practice Locations
505 PARNASSUS AVE BOX 0102
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
226 services · 84 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
141 | As often as other peers in Student in training |
| Pathology examination of tissue using a microscope, moderately high complexity | Lab test | 88307 |
26 | Less often than most peers in Student in training |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
25 | Less often than most peers in Student in training |
| Pathology examination of specimen during surgery, first tissue block | Lab test | 88331 |
21 | As often as other peers in Student in training |
| Surgical pathology consultation and report on referred slides prepared elsewhere | Lab test | 88321 |
13 | Too few peers to compare |
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 medical trainees at this location 8
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 medical trainees in San Francisco 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Duke University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at Duke University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Dr. Lopez's specialty?
Dr. Lopez is a medical trainee in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.
NPI registry
Where can I find Dr. Lopez?
Dr. Lopez is listed at 505 Parnassus Ave Box 0102, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Lopez?
The number on file is (301) 751-7444. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Lopez's NPI number?
Dr. Lopez's National Provider Identifier is 1821415290. 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
What is Dr. Lopez's medical education?
Dr. Lopez attended Duke University School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lopez been practicing?
Dr. Lopez has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Lopez known for?
According to Medicare billing data, Dr. Lopez the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Lopez confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lopez. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.