Jennifer Chang, MD, PHD
NPI 1346535044 · Student in an Organized Health Care Education/Training Program · San Francisco, CA
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jennifer Chang, MD, PHD is a Student in an Organized Health Care Education/Training Program provider in San Francisco, CA (NPI 1346535044).
Provider details
- NPI number
- 1346535044
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD, PHD
- Sex
- Female
- Sole proprietor
- No
- License
- 248522 (MA)
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,764 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Stereoscopic X-Ray Guidance for Localization of Target Volume for the Delivery of Radiation TherapyG6002 | 544 | $23 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 483 | $51 |
| Calculation of Radiation Therapy Dose77300 | 474 | $37 |
| Design and Construction of Complex Radiation Treatment Device77334 | 421 | $69 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 176 | $220 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 175 | $109 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-06-10
- Last updated
- 2012-07-06
Frequently asked questions
- What is Jennifer Chang's NPI number?
- Jennifer Chang's National Provider Identifier (NPI) is 1346535044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jennifer Chang's specialty?
- Jennifer Chang is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Jennifer Chang located?
- Jennifer Chang's practice location on file with NPPES is 1600 Divisadero Street, Suite H1031, San Francisco, CA 94143-1708.
- What is Jennifer Chang's phone number?
- The practice phone number listed in the NPPES registry for Jennifer Chang is (415) 353-7175.
- Does Jennifer Chang accept Medicare?
- Jennifer Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jennifer Chang's NPI active?
- Yes — Jennifer Chang's NPI (1346535044) is active in the NPPES registry as of the last update on 2012-07-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.