Physician Profile
Jennifer Chen, MD
Unclaimed ProfileAbout Dr. Chen
Based in San Francisco, CA, Jennifer Chen, MD is listed in the NPI registry under family medicine. According to Medicare claims data, Jennifer cared for 897 Medicare patients across 4,426 services. The services billed most often include injection, denosumab, 1 mg, established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, and administration of influenza virus vaccine.
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
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
- (415) 677-2370
- Email not available
Practice Locations
845 JACKSON ST # B1
San Francisco, CA 94133
386 Gellert Blvd
Daly City, CA 94015
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
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
Preventive interventions
Screening and testing
Diagnostic Tests
Exams & Screenings
Foot and Leg Pain
Heart & Circulation
Injections
Lungs & Breathing
Minor Procedures
Occupational Health
Office procedures
Pain Management
Preventive Care
Respiratory
Senior Care
Sexual & Reproductive Health
Skin Procedures
Sleep Health
Urgent Care Procedures
Wellness & Weight
Women's Health
Procedures Most Often Billed to Medicare
4,426 services · 897 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
106 | More often than most peers in Family Medicine |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
93 | More than most peers in Family Medicine |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
93 | More than most peers in Family Medicine |
| Influenza vaccine, trivalent, split virus, preservative-free, 0.5 ml dosage | Treatment | 90656 |
70 | More often than most peers in Family Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
45 | More often than most peers in Family Medicine |
| Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use | Treatment | 90677 |
11 | Less often than most peers in Family Medicine |
| Injection, denosumab, 1 mg | Drug given | J0897 |
3,360 | More often than most peers in Family Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
225 | More often than most peers in Family Medicine |
| Administration of influenza virus vaccine | Billing code | G0008 |
124 | More than most peers in Family Medicine |
| Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | Billing code | G0439 |
71 | As often as other peers in Family Medicine |
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.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 doctors in San Francisco 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2015 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug or substance under skin or into muscle 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Chen's specialty?
Dr. Chen is a family doctor in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where can I find Dr. Chen?
Dr. Chen is listed at 845 Jackson St # B1, San Francisco, CA 94133. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Chen?
The number on file is (415) 677-2370. 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 1619321304. 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. Chen's medical education?
Dr. Chen attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Chen been practicing?
Dr. Chen has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Chen known for?
According to Medicare billing data, Dr. Chen provides treatments such as injection of drug or substance under skin or into muscle and sarscov2 vac 50 mcg/0.5ml im, 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
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.