Kristen Ganjoo, MD
NPI 1669563391 · Medical Oncology Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Medical Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Kristen Ganjoo, MD is a Medical Oncology Physician provider in Stanford, CA (NPI 1669563391).
Provider details
- NPI number
- 1669563391
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A85404 (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
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
492 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 201 | $216 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 163 | $155 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 50 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 32 | $134 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $164 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 34 | 11 |
| Levothyroxine Sodium | 30 | 12 |
| Apixabanbrand: Eliquis | 25 | — |
| Imatinib Mesylate | 24 | — |
| Famotidine | 22 | — |
| Ondansetron Hcl | 20 | — |
| Fentanyl | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,960 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
Additional practice locations (1)
- 875 Blake Wilbur DriveClinic BStanford, CA 94305Phone: (650) 498-6000
Registry dates
- Enumerated
- 2006-09-27
- Last updated
- 2024-04-29
- Certified
- 2024-04-29
Frequently asked questions
- What is Kristen Ganjoo's NPI number?
- Kristen Ganjoo's National Provider Identifier (NPI) is 1669563391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kristen Ganjoo's specialty?
- Kristen Ganjoo is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Kristen Ganjoo located?
- Kristen Ganjoo's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Kristen Ganjoo's phone number?
- The practice phone number listed in the NPPES registry for Kristen Ganjoo is (650) 723-4000.
- Does Kristen Ganjoo accept Medicare?
- Kristen Ganjoo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Kristen Ganjoo's NPI active?
- Yes — Kristen Ganjoo's NPI (1669563391) is active in the NPPES registry as of the last update on 2024-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.