Physician Profile
Unclaimed ProfileAbout CHEN
Constance Chen, MD is a healthcare provider in San Francisco, CA specialising in pathology. Constance trained at University of Iowa, Rj & L Carver College of Medicine, graduating in 2017. Constance is also listed as specialising in surgery and anatomic & clinical pathology.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Chen specialise in?
Dr. Chen is a pathology in San Francisco, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PATHOLOGY”.
NPI registry
Where is Dr. Chen located?
Dr. Chen is listed at 505 PARNASSUS AVE DEPARTMENT OF PATHOLOGY, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Chen's phone number?
The number on file is (415) 476-1000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Chen's NPI number?
Dr. Chen's National Provider Identifier is 1245765502. 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. Chen go to medical school?
Dr. Chen attended University of Iowa, Rj & L Carver College of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chen been practising?
Dr. Chen has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Chen do most often?
According to Medicare billing data, Dr. Chen performs procedures including fine needle aspiration biopsy using ultrasound guidance, first growth, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Chen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chen. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (415) 476-1000
- Email not available
Practice Locations
505 PARNASSUS AVE DEPARTMENT OF PATHOLOGY
San Francisco, CA 94143
Procedures Most Often Billed to Medicare
559 services · 406 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Fine needle aspiration biopsy using ultrasound guidance, first growth | Procedure | 10005 |
24 |
| Special stained specimen slides to examine tissue, each additional procedure | Lab test | 88341 |
114 |
| Cell examination of specimen, selective cellular enhancement technique | Lab test | 88112 |
105 |
| Evaluation of fine needle aspirate with interpretation and report | Lab test | 88173 |
80 |
| Evaluation of fine needle aspirate | Lab test | 88172 |
79 |
| Pathology examination of tissue using a microscope, intermediate complexity | Lab test | 88305 |
78 |
| Special stained specimen slides to examine tissue, initial procedure | Lab test | 88342 |
39 |
| Cell examination of specimen, concentration technique | Lab test | 88108 |
29 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 |
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.
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 pathology specialists in San Francisco 8
Same specialty, same city.
Trained at University of Iowa, Rj & L Carver College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2017 at University of Iowa, Rj & L Carver College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Fine needle aspiration biopsy using ultrasound guidance, first growth 8
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.